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Author name code: evershed
ADS astronomy entries on 2022-09-14
author:"Evershed, John"
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Title: Recollections of seventy years of scientific work
Authors: Evershed, J.
1955VA......1...33E Altcode:
This article records some of the researches in solar physics undertaken
during my life. These have included the following: prominence
observations covering sixteen years; spectroheliograph work with a
direct vision prism; experiments on the radiation of heated gases;
eclipse expeditions in 1898 and 1900; studies of the relation between
emission and absorption spectra, and of the continuous spectrum of
hydrogen. In India (1906-1923) my work included: the discovery of
radial motion and the estimate of pressure in sunspots; a study of
the exceptional observing conditions in Kashmir; measurements of the
red-shift in connection with EINSTEIN'S prediction; great magnetic
storms during flares; the motion in the tail of HALLEY'S comet and its
transit over the Sun; observations of novae. At Ewhurst (1923-1954) I
was concerned with: high-dispersion work with liquid prisms; the study
of the Zeeman effect and the discovery of a particularly sensitive
line for its determination; measurements of minute line-shifts
due to horizontal motions; and the decrease of wavelength of solar
lines. Reference is made to scientific men I have met and to whom I
am indebted for interest and encouragement.
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1951MNRAS.111..216E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1950MNRAS.110..164E Altcode:
No abstract at ADS
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Title: The central intensities of the Fraunhofer lines
Authors: Evershed, J.
1949Obs....69..109E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1949MNRAS.109..177E Altcode:
No abstract at ADS
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Title: Further Measures of the Decrease of Wave-length of Solar Lines
Authors: Evershed, J.
1949MNRAS.109..594E Altcode:
No abstract at ADS
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Title: Spectrum lines in chromospheric flares
Authors: Evershed, J.
1948Obs....68...67E Altcode:
No abstract at ADS
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Title: On an apparent change of Wave-length in Solar Iron Lines
Authors: Evershed, J.
1948MNRAS.108..347E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1948MNRAS.108...78E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1947MNRAS.107...81E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1946MNRAS.106...59E Altcode:
No abstract at ADS
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Title: New measures of the sodium line D<SUB>1_</SUB> in the solar
spectrum
Authors: Evershed, J.
1945MNRAS.105..200E Altcode:
No abstract at ADS
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Title: The solar rotation and shift towards red measured in prominence
spectra
Authors: Evershed, J.
1945MNRAS.105..204E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1945MNRAS.105..122E Altcode:
No abstract at ADS
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Title: The magnetic effect in sunspot spectra
Authors: Evershed, J.
1944Obs....65..190E Altcode:
No abstract at ADS
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Title: Note on the wave-length of the sodium line D<SUB>2</SUB>
in the Sun
Authors: Evershed, J.
1944MNRAS.104...38E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1943MNRAS.103...84E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst) (1940 and 1941)
Authors: Evershed, J.
1942MNRAS.102...94E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1940MNRAS.100..298E Altcode:
No abstract at ADS
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Title: Sunspots and magnetic storms
Authors: Evershed, J.
1940Obs....63...47E Altcode:
No abstract at ADS
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Title: Measures of the relative shifts of the line 5250-218 and
neighbouring lines in Mt. Wilson solar magnetic field spectra
Authors: Evershed, J.
1939MNRAS..99..438E Altcode:
No abstract at ADS
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Title: Note on the Zeeman effect in sunspot spectra
Authors: Evershed, J.
1939MNRAS..99..217E Altcode:
No abstract at ADS
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Title: New measures of the wave-lengths of the calcium lines K and H
Authors: Evershed, J.
1938MNRAS..99..121E Altcode:
No abstract at ADS
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Title: Obituary: George Ellery Hale
Authors: Evershed, J.
1938Obs....61..163E Altcode:
No abstract at ADS
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Title: Report of his observatory
Authors: Evershed, J.
1938MNRAS..98..296E Altcode:
No abstract at ADS
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Title: The red shift of the D lines of sodium in the Sun
Authors: Evershed, J.
1938MNRAS..98..195E Altcode:
No abstract at ADS
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Title: The problem of the red shift in the solar spectrum
Authors: Evershed, J.
1937Obs....60..266E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1937MNRAS..97..327E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1936MNRAS..96..337E Altcode:
No abstract at ADS
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Title: The red shift of the iron lines at the edge of the Sun
Authors: Evershed, J.
1936MNRAS..96..152E Altcode:
No abstract at ADS
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Title: The solar rotation and shift towards the red derived from
the H and K lines in prominences (Third paper)
Authors: Evershed, J.
1935MNRAS..95..503E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1935MNRAS..95Q.379E Altcode:
No abstract at ADS
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Title: Report of his observatory (Ewhurst)
Authors: Evershed, J.
1934MNRAS..94R.318E Altcode:
No abstract at ADS
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Title: On the detection of small Doppler shifts in the spectrum of
the reversing layer
Authors: Evershed, J.
1933MNRAS..94...96E Altcode:
No abstract at ADS
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Title: The central intensities of the Fraunhofer lines
Authors: Evershed, J.
1933Obs....56..275E Altcode:
No abstract at ADS
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Title: A new method of using a spectrograph for solar rotation work
Authors: Evershed, J.
1933MNRAS..93..165E Altcode:
No abstract at ADS
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Title: Recent work at Arcetri
Authors: Evershed, M. A.; Evershed, J.
1932Obs....55..254E Altcode:
No abstract at ADS
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Title: Note on an apparent increase in the equatorial rotation
velocity of the sun
Authors: Evershed, J.
1931MNRAS..92..105E Altcode:
No abstract at ADS
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Title: Relativity: The shift towards red of the calcium, aluminium,
and iron lines in the solar spectrum
Authors: Evershed, J.
1931MNRAS..91..260E Altcode:
No abstract at ADS
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Title: The wave-length of Hɛ and the displacements of the hydrogen
lines in the sun
Authors: Evershed, J.
1930MNRAS..90..762E Altcode:
No abstract at ADS
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Title: The normal wave-lengths of the calcium lines H and K, and the
relativity shift of these lines in the prominences and chromosphere
Authors: Evershed, J.
1929MNRAS..90..186E Altcode:
No abstract at ADS
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Title: Emission lines on the absorption bands of H and K
Authors: Evershed, J.
1929MNRAS..89..566E Altcode:
No abstract at ADS
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Title: The solar rotation derived from the H and K lines in
prominences (second paper)
Authors: Evershed, J.
1929MNRAS..89..250E Altcode:
No abstract at ADS
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Title: Instruments and Appliances, etc. : High dispersion prism
spectra
Authors: Evershed, J.
1928MNRAS..89..175E Altcode:
No abstract at ADS
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Title: The solar rotation and the Einstein displacement derived from
measures of the H and K lines in prominences
Authors: Evershed, J.
1927MNRAS..88..126E Altcode:
No abstract at ADS
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Title: An emission line in the solar spectrum near K
Authors: Evershed, J.
1927MNRAS..87..350E Altcode:
No abstract at ADS
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Title: The green flash
Authors: Evershed, J.
1926Obs....49..369E Altcode:
No abstract at ADS
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Title: [Letters to Editor]
Authors: Evershed, J.
1925Natur.116..395E Altcode:
I AGREE in a general way with the view that the motion of the eruptive
prominences, and of the absorbing gases in novæ, may be best explained
by selective radiation pressure.
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Title: On some measures of the solar rotation at different levels
in the chromosphere
Authors: Evershed, J.
1925MNRAS..85..607E Altcode:
No abstract at ADS
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Title: The height of the chromosphere
Authors: Evershed, J.
1925Obs....48..146E Altcode:
No abstract at ADS
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Title: The height of the chromosphere
Authors: Evershed, J.
1925Obs....48...45E Altcode:
No abstract at ADS
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Title: Stationary calcium in space
Authors: Evershed, J.
1924Obs....47...53E Altcode:
No abstract at ADS
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Title: An Uncommon Type of Cloud
Authors: Evershed, J.
1923Natur.112R.901E Altcode:
THE type of cloud photographed by Dr. Lockyer (NATURE, November 17,
p. 725) is very frequently seen at Kodaikanal in south India during
the thunderstorm season in April and May. It is always associated with
thunder and always appears after the thunder clouds have expended
their electrical energy. This often happens quite suddenly when the
storm is of local origin.
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Title: The Einstein effect in the solar spectrum
Authors: Evershed, J.
1923Obs....46..299E Altcode:
No abstract at ADS
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Title: Report of the Indian Eclipse Expedition to Wallal, West
Australia
Authors: Evershed, J.
1923KodOB...4...45E Altcode:
No abstract at ADS
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Title: The Green Flash at Sunset
Authors: Evershed, J.
1923Natur.111...13E Altcode:
SIR ARTHUR SCHUSTER in his review of Dr. Mulder's book on this subject
states that “there seems no reason to doubt that dispersion combined
with absorption of light completely accounts for the effect” (NATURE,
September 16, p. 370). Yet Dr. Mulder's own view is that a complete
explanation is still wanting.
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Title: The spectrum of Sirius
Authors: Evershed, J.
1922Obs....45..296E Altcode:
No abstract at ADS
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Title: Widened lines in the spectrum of Sirius
Authors: Evershed, J.
1922MNRAS..82..392E Altcode:
No abstract at ADS
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Title: Summary of Prominence Observations for the Second Half of
the Year 1921
Authors: Evershed, J.
1922KodOB...4...23E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and west
of the sun's axis, Metallic prominences, Displacements of the hydrogen
lines, Reversals and displacements on the disc, Prominences projected
on the disc as absorption markings
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Title: Terrestrial Magnetic Disturbances and Sun-spots
Authors: Evershed, J.
1921Natur.108..566E Altcode:
REFERRING to Father Cortie's letter on this subject (NATURE, October
27, p. 272), the sequence of magnetic disturbances following at
27-day intervals the storms of May 12-21, 1921, was recorded also at
Kodaikanal, but those storms recorded in England as “very great” on
September 2 and 28-29 were classed here as “moderate ” only. There
were also recorded here “great” storms on March 21-22 and April 18-19,
which appear to belong to the same sequence, the whole interval from
March 22 to September 29 giving a mean period of 27.29 days. Assuming
this to be the synodical period of the sun, the equivalent sidereal
period is 25.42 days, closely agreeing with Carrington's mean value
of the rotation for spots.
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Title: Summary of Prominence Observations for the First Half of the
Year 1921
Authors: Evershed, J.
1921KodOB...4...13E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and west
of the sun's axis, Metallic prominences, Reversals and displacements
on the disc, Prominences projected on the disc as absorption markings
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Title: The relativity shift in the solar spectrum
Authors: Evershed, J.
1921Obs....44..243E Altcode:
No abstract at ADS
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Title: An Apparent Influence of the Earth on Solar Prominences
Authors: Evershed, J.; Ayyar, P. R. Chidambara
1921KodOB...4....1E Altcode:
No abstract at ADS
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Title: On the Displacements of the Triplet Bands Near λ 3883 in
the Solar Spectrum
Authors: Evershed, J.
1920KodOB...3..297E Altcode:
No abstract at ADS
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Title: Displacement of the lines in the solar spectrum and Einstein's
prediction
Authors: Evershed, J.
1920Obs....43..153E Altcode:
No abstract at ADS
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Title: Summary of Prominence Observations for the Second Half of
the Year 1919
Authors: Evershed, J.
1920KodOB...3..281E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and west
of the sun's axis, Metallic prominences, Displacements of the hydrogen
lines, Reversals and displacements on the disc, Prominences projected
on the disc as absorption markings
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Title: Is Venus cloud covered ?
Authors: Evershed, J.
1919MNRAS..80....7E Altcode:
No abstract at ADS
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Title: The solar prominence of 1919 May 29
Authors: Evershed, J.
1919MNRAS..80....8E Altcode:
No abstract at ADS
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Title: The Moon in daylight
Authors: Evershed, J.
1919Obs....42..339E Altcode:
No abstract at ADS
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Title: Summary of Prominence Observations for the First Half of the
Year 1919
Authors: Evershed, J.
1919KodOB...3..265E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and west
of the sun's axis, Metallic prominences, Displacements of the hydrogen
lines, Reversals and displacements on the disc, Prominences projected
on the disc as absorption markings,
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Title: Nova Aquilæ (1918), The spectrum of
Authors: Evershed, J.
1919MNRAS..79..468E Altcode:
No abstract at ADS
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Title: The pulsation theory of Cepheid variables
Authors: Evershed, J.
1919Obs....42..124E Altcode:
No abstract at ADS
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Title: Summary of Prominence Observations for the Second Half of
the Year 1918
Authors: Evershed, J.
1919KodOB...3..257E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and west
of the sun's axis, Metallic prominences, Displacements of the hydrogen
lines, Reversals and displacements on the disc, Prominences projected
on the disc as absorption markings
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Title: Calcium clouds in the Milky Way
Authors: Evershed, J.
1919Obs....42...85E Altcode:
No abstract at ADS
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Title: The displacement of the solar lines reflected by Venus
Authors: Evershed, J.
1919Obs....42...51E Altcode:
No abstract at ADS
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Title: The positive-on-negative method of measuring spectra
Authors: Evershed, J.
1918Obs....41..443E Altcode:
No abstract at ADS
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Title: Observations of Nova Aquilæ in India
Authors: Evershed, J.
1918Natur.102..105E Altcode:
IN NATURE of June 13 I note that the earliest observation of Nova
Aquilæ in England was made by Miss Grace Cook at 9.30 G.M.T. on June
8, and the magnitude was estimated as equal to Altair. In India the
star was seen and recognised as a nova about five hours earlier by
Mr. G. N. Bower in Madras, who has sent me his original notes made
at 10 p.m. Indian Standard Time on June 8 (corresponding with 4.30
p.m. G.M.T.). Mr. Bower was occupied in pointing out the principal
stars and constellations to a friend, and identifying them with the
aid of Mrs. Evershed's “Guide to the Southern Stars.” Turning to
the eastern sky, he at once saw a star on the borders of Aquila and
Serpens which he could not place. It appeared to be as bright as Altair,
or possibly brighter, but not so bright or white as Vega. Altair was,
however, unfavourably placed for the comparison.
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Title: The displacement of the cyanogen bands in the solar spectrum
Authors: Evershed, J.
1918Obs....41..371E Altcode:
No abstract at ADS
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Title: Summary of Prominence Observations for the First Half of the
Year 1918
Authors: Evershed, J.
1918KodOB...3..247E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and
west of the sun's axis, Metallic prominences, Displacements of the
hydrogen lines, Reversals and displacements of the C line on the disc,
Prominences projected on the disc as absorption markings
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Title: Summary of Prominence Observations for the Second Half of
the Year 1917
Authors: Evershed, J.
1918KodOB...3..239E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and west
of the sun's axis, Displacements of the hydrogen lines, Reversals
and displacements on the disc, Prominences projected on the disc as
absorption markings
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Title: Day and night "seeing"
Authors: Evershed, J.
1917Obs....40..407E Altcode:
No abstract at ADS
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Title: The Einstein effect and the eclipse of 1919 May 29
Authors: Evershed, J.
1917Obs....40..269E Altcode:
No abstract at ADS
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Title: The Solar Prominence of 1916, May 26
Authors: Evershed, J.
1917KodOB...3..209E Altcode:
No abstract at ADS
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Title: Anomalous dispersion in the Sun
Authors: Evershed, J.
1916Obs....39..432E Altcode:
No abstract at ADS
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Title: Large prominences
Authors: Evershed, J.
1916Obs....39..392E Altcode:
No abstract at ADS
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Title: New Measures of Radial Motion in Sunspots
Authors: Evershed, J.
1916KodOB...3..167E Altcode:
Movements at right angles to the radial movement
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Title: On the Change of Wave Length of the Iron Lines in Passing
from the Centre of the Sun's Disc to the Limb
Authors: Evershed, J.; Royds, T.
1916KodOB...3..145E Altcode:
Fig 1: Displacements of Fe Lines Across Sun's Disc; Fig 2: Upper
Curve=Displacement of 6302 Line Across Disc, Lower Curve=Computed
Displacement Due to Solar Rotation; Fig 3: Change of Wave-length of Fe
Lines Between Centre of Disc and Limb; Fig 4: Change of Wave-length of
Enhanced Lines of Fe and Ti between Centre and Limb, Fig 5: Wave-lengths
of Ultra-Violet Lines between Centre and Limb
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Title: Anomalous dispersion in the Sun
Authors: Evershed, J.
1916Obs....39...59E Altcode:
No abstract at ADS
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Title: A Question of Albedo
Authors: Evershed, J.
1915Natur..96..369E Altcode:
THE past summer in the Kashmir Valley has been one of extraordinary
dryness, with continuous blue skies and hot sunshine. These conditions
have extended into the autumn, and during the month of October even the
surrounding mountains, so often clouded, have been entirely clear. The
snow-line, instead of descending to lower elevations with the advance
of the season, has steadily risen, until at the date of writing only
a few isolated patches of white can be seen on the Pir Panjal range on
the south-west side of the valley, and no snow at all on the mountains
towards the east. It was with a distinct shock of surprise, therefore,
that at sunset on the date October 22 we noticed a beautiful dome of
snow just topping the eastern mountains, which were still brilliantly
illuminated by the sun. For a few moments the only possible explanation
seemed to be that one of the higher peaks of the central Himalayan
ranges had made a prodigious upward thrust of several thousands of
feet! However, the earth's rotation movement rapidly transformed this
snowfield into the familiar features of the full moon.
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Title: Note on the Atmospheric Conditions Required for Astronomical
Observations
Authors: Evershed, John
1915PASP...27..179E Altcode:
No abstract at ADS
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Title: The Green Flash
Authors: Evershed, John
1915Natur..95..286E Altcode:
MANY descriptions of the green flash have been published in letters to
NATURE and elsewhere, but I do not remember to have seen a satisfactory
explanation of this curious phenomenon. Atmospheric dispersion is
invoked, but this does not explain the absence of the red end of
the spectrum. My observations agree in every particular with those
described by Mr. Whitmell in NATURE of March 11, p. 35. At sea I have
observed a violet or blue tint occasionally, and on one occasion a red
flash as the lower limb of the sun emerged from a cloud into a clear
space very near the horizon.
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Title: The Displacements of the Enhanced Lines of Iron at the Centre
of the Sun's Disc
Authors: Evershed, J.; Ayyar, A. A. Narayana
1915KodOB...3..125E Altcode:
Table I. Shifts of Enhanced Lines at Centre of Sun's Disc
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Title: Summary of Prominence Observations for the Second Half of
the Year 1914
Authors: Evershed, J.
1915KodOB...3..117E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and
west of the sun's axis, Metallic prominences, Displacements of the
hydrogen lines, Reversals and displacements of the C line on the disc,
Prominences projected on the disc as absorption markings
---------------------------------------------------------
Title: The general shift of Fraunhofer lines towards the red
Authors: Evershed, J.
1914Obs....37..388E Altcode:
No abstract at ADS
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Title: Report on the Conditions for Astronomical Work in Kashmir
Authors: Evershed, J.
1914KodOB...3..101E Altcode:
Itinerary, Results, Comparison of Results at Kodaikanal and in Kashmir,
General Conclusions
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Title: Summary of Prominence Observations for the First Half of the
Year 1914
Authors: Evershed, J.
1914KodOB...3...95E Altcode:
Mean Areas and Mean Numbers of Prominences, Distribution east and
west of the sun's axis, Metallic prominences, Displacements of the
hydrogen lines, Reversals and displacements of the C line on the disk,
Prominences projected on the disc as absorption markings
---------------------------------------------------------
Title: Note on Radial Movement in Sun-Spots
Authors: Evershed, J.
1914ApJ....40..156E Altcode:
No abstract at ADS
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Title: On the Displacements of the Spectrum Lines at the Sun's Limb
Authors: Evershed, J.; Royds, T.
1914KodOB...3...71E Altcode:
Determination of limb shifts, Limb shifts in relation to the intensity
of the lines, Relation between limb shifts and pressure shifts, The
Cyanogen Bands
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Title: Some problems of astronomy (XIV The displacement of the lines
of the solar spectrum towards the red)
Authors: Evershed, J.
1914Obs....37..124E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: A New Interpretation of the General Displacement of the Lines
of the Solar Spectrum Towards the Red
Authors: Evershed, J.
1913KodOB...3...45E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: A New Method of Measuring Small Displacements of Spectrum Lines
Authors: Evershed, J.
1913KodOB...3...17E Altcode:
I. Solar Rotation Plate, II. Solar Rotation Plate
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Title: Summary of Prominence Observations for the First Half of the
Year 1913
Authors: Evershed, J.
1913KodOB...3...13E Altcode:
Mean Areas and Mean Numbers of Prominences, Mean height, Distribution
east and west of the sun's axis, Metallic prominences, Displacements
of the hydrogen lines, Prominences projected on the disc as absorption
markings
---------------------------------------------------------
Title: Sun, Rotation of, Spectrographic measures of, made at the
Kodaikánal Observatory
Authors: Evershed, J.; Royds, T.
1913MNRAS..73..554E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Summary of Prominence Observations for the Second Half of 1912
Authors: Evershed, J.
1913KodOB...3....9E Altcode:
Mean Areas and Mean Numbers of Prominences, Mean height, Distribution
east and west of the sun's axis, Metallic prominences, Displacements
of the hydrogen lines, Prominences projected on the disc as absorption
markings
---------------------------------------------------------
Title: Summary of Prominence Observations for the First Half of the
Year 1912
Authors: Evershed, J.
1912KodOB...3....1E Altcode:
Mean Areas and Mean Numbers of Prominences, Mean height, Distribution
east and west of the sun's axis, Metallic prominences, Displacements
of the hydrogen lines, Prominences projected on the disc as absorption
markings
---------------------------------------------------------
Title: Radium and the chromosphere
Authors: Evershed, J.
1912Obs....35..360E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: On the Relative Numbers of Prominences Observed on the Eastern
and Western Limbs
Authors: Evershed, J.
1912KodOB...2..509E Altcode:
Profile Areas of Prominences, The effect of Heliographic Latitude
on the eastern excess, Influence of the Planets, Percentage Curve of
Eastern Prominences, Percentage Curve of Eastern Prominences Average
of 8 1/2 Years 1904-1912, Summary, Supplementary Note
---------------------------------------------------------
Title: On the Presence of Radium and the Elements of the Inactive
Group in the Chromosphere
Authors: Evershed, J.
1912KodOB...2..503E Altcode:
No abstract at ADS
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Title: List of Prominences Observed Between 1911, July 1 and 1911,
December 31
Authors: Evershed, J.
1912KodOB...2..453E Altcode:
Notes, Remarks on the Distribution of the Prominences During the Second
Half of 1911 with a General Review for the Whole Year, Abstract for 1911
---------------------------------------------------------
Title: Dante and mediaeval astronomy
Authors: Evershed, M. A.; Evershed, J.
1911Obs....34..440E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: List of Prominences Observed Between 1911 January 1 and 1911
June 30
Authors: Evershed, J.
1911KodOB...2..395E Altcode:
Notes, Remarks on the Distribution of the Prominences in Latitude
During the First Half of the Year 1911
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Title: Absorption Markings in “K” Spectroheliograms
Authors: Evershed, J.
1911Natur..87..111E Altcode:
IF it is true, as Mr. Buss suggests, that variations in the intensity
of the components of the emission line K<SUB>2</SUB> on either side of
the absorption line K<SUB>3</SUB> are sufficient to account for the dark
markings occasionally found in spectroheliograms, then the Kodaikánal
plates should show them as conspicuously as those taken with a high
dispersion instrument, which isolates the central line. Yet this, as
Mr. Buss has himself pointed out, is not the case. In studying high
dispersion spectrum photographs of the solar disc, one occasionally
discovers places where the K<SUB>3</SUB> line is abnormally dark,
and the same thing may also be well observed in the line Hα. When
the spectroscope slit chances to cross one of these linear markings,
an intensely black spot is seen on the absorption line, and this
will usually remain visible or run along the line if the solar image
is moved slightly. In the case of the lines H and K, the components
of the emission lines H<SUB>2</SUB> and K<SUB>2</SUB> are, I think,
always weak at the points of greatest darkness in the absorption lines,
and for this reason they may possibly contribute somewhat to the final
result in our plates.
---------------------------------------------------------
Title: Spectroscopy, Instruments for, The auto-collimating
spectroheliograph of the Kodaikánal Observatory
Authors: Evershed, J.
1911MNRAS..71..719E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Absorption Markings in “K” Spectroheliograms
Authors: Evershed, J.
1911Natur..86..348E Altcode:
IN a letter published in NATURE of March 30, Mr. Buss, suggests that
the evidence derived from some spectroheliograms taken by M. Deslandres
at Meudon conflicts with, that which I obtained from the Kodaikánal
daily series.
---------------------------------------------------------
Title: On the Angular Speed of Rotation of a Long-Enduring Prominence
Authors: Evershed, J.
1911ApJ....33....1E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Note on the Magnetic Field in the Sunspot of September 1909
Authors: Evershed, J.
1910KodOB...2..265E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Observations of Halley's Comet
Authors: Smith, C. Michie; Evershed, John
1910KodOB...2..199S Altcode:
List A.-Photographs of Halley's Comet taken with the Grube Lens,
List B.-Photographs of Halley's comet taken with the Ross-lens, List
C.-Photographs of Halley's Comet, List D.-Photographs of Halley's Comet
with Small Cameras, The Spectrum, List E.- Photographs of Spectrum of
Halley's Comet, The Transit Across the Sun's Disc, Results, Observations
of the Tail Before and After the Day of Transit
---------------------------------------------------------
Title: Halley's, and its spectrum, observed at Kodaikánal
Authors: Evershed, J.
1910MNRAS..70..605E Altcode: 1910MNRAS..70..606E
No abstract at ADS
---------------------------------------------------------
Title: Halley's, on the tail of, before and after transit
Authors: Evershed, J.
1910MNRAS..70..610E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Halley's, transit of
Authors: Evershed, J.
1910MNRAS..70..612E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Radial movement in sun-spots ; second paper
Authors: Evershed, J.
1910MNRAS..70..217E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Pressure in the reversing layer
Authors: Evershed, J.
1909Obs....32..362E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Pressure in the Reversing Layer
Authors: Evershed, J.
1909KodOB...2..131E Altcode:
Iron Lines in Sun and Arc
---------------------------------------------------------
Title: Radial movement in sun-spots
Authors: Evershed, J.
1909Obs....32..291E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Pressure in the reversing layer
Authors: Evershed, J.
1909Obs....32..254E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Radial movement in sun-spots
Authors: Evershed, J.
1909MNRAS..69..454E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Sun-spots and the solar temperature
Authors: Evershed, J.
1909Obs....32..135E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Water-vapour lines in the spot-spectrum
Authors: Evershed, J.
1909Obs....32..101E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Radial Movement in Sunspots
Authors: Evershed, J.
1909KodOB...2...63E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Sun-spots and solar temperature
Authors: Evershed, J.
1908Obs....31..462E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Note on the Wave-Length of Hδ and Hɛ in the Solar Spectrum
Authors: Evershed, J.
1908ApJ....28..162E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: A Large Prominence
Authors: Evershed, J.
1908ApJ....28...79E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Sun, prominences, 1907, observed at Kodaikanal Observatory
Authors: Evershed, J.
1908MNRAS..68..515E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Helium absorption in the Sun
Authors: Evershed, J.
1908Obs....31..212E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Comet d 1907 (Daniel), spectrum of
Authors: Evershed, J.
1907MNRAS..68...16E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The ultra-violet region in sun-spot spectra
Authors: Evershed, J.
1907MNRAS..68...12E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: List of prominences observed between 1907 January 1 and 1907
June 30
Authors: Evershed, J.
1907KodOB...1..353E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Widened lines in sunspot spectra
Authors: Evershed, J.
1907KodOB...1..331E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: List of prominences observed bewteen 1906 July 1 and 1906
December 31
Authors: Evershed, J.
1907KodOB...1..299E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Kodaikánal Observatory, distribution of prominences in
latitude in the year 1906
Authors: Evershed, J.
1907MNRAS..67..477E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: List of prominences observed between 1906 January 1 and 1906
June 30
Authors: Evershed, J.
1906KodOB...1..241E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Preparations for the Second Conference. No. 17. Communication
from Mr. Evershed
Authors: Evershed
1906TIUCS...1..133E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The Rumford Spectrograph of the Yerkes Observatory
Authors: Evershed, J.
1904Obs....27..164E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Sun-spots and magnetic storms
Authors: Evershed, J.
1904Obs....27..129E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Wave-length Determinations and General Results obtained from
a detailed examination of Spectra photographed at the Solar Eclipse
of 1898 January 22
Authors: Evershed, John
1904MmRAS..54A..79E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Solar Eclipse of 1900 May 28; General Discussion of
Spectroscopic Results
Authors: Evershed, John
1904MmRAS..54A.173E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The flash-spectrum
Authors: Evershed, J.
1902Obs....25..272E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The flash-spectrum
Authors: Evershed, J.
1902Obs....25..198E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Solar Eclipse of 1900, May 28.--General Discussion of
Spectroscopic Results. [Abstract]
Authors: Evershed, J.
1902RSPS...71..228E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Wave-length Determinations and General Results Obtained from
a Detailed Examination of Spectra Photographed at the Solar Eclipse
of January 22, 1898
Authors: Evershed, J.
1901ApJ....13..223E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Wave-Length Determinations and General Results Obtained from
a Detailed Examination of Spectra Photographed at the Solar Eclipse
of January 22, 1898
Authors: Evershed, John
1901RSPTA.197..381E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Wave-Length Determinations and General Results Obtained from
a Detailed Examination of Spectra Photographed at the Solar Eclipse
of January 22, 1898. [Abstract]
Authors: Evershed, J.
1901RSPS...68....6E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Expedition to the Mazafran, Algiers, preliminary report:
Total solar eclipse of 1900 May 28.
Authors: Evershed, J.
1900MNRAS..60A..34E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Solar Eclipse of May 28, 1900. Preliminary Report of the
Expedition to the South Limit of Totality to Obtain Photographs of
the Flash Spectrum in High Solar Latitudes
Authors: Evershed, J.
1900RSPS...67..370E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: 1900 May 28, Preliminary reports on the British Government
Expeditions
Authors: Turner, H. H.; Lockyer, J. N., Sir; Newall, H. F.; Evershed,
J.; Copeland, R.; Christie, W. H. M.; Dyson, F. W.
1899MNRAS..60...66T Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The Parallax of the Gegenschein
Authors: Evershed, J.
1899PA......7..352E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The parallax of the gegenschein
Authors: Evershed, J.
1899Obs....22..272E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The Parallax of the Gegenschein
Authors: Evershed, J.
1899PA......7..289E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Cause of the gegenschein
Authors: Evershed, J.
1899Obs....22...57E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Sun-spot radiation
Authors: Evershed, J.
1898Obs....21..404E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Solar Radiation
Authors: Evershed, J.
1898Natur..58..619E Altcode:
AT the conclusion of his British Association lecture on
Phosphorescence<SUP>1</SUP>, Mr. Jackson makes a suggestion with regard
to solar radiation which will doubtless receive due attention from those
who are interested in solar physics. It is one of especial interest to
me because, by an entirely different train of thought, Mr. Jackson has
arrived at a possible explanation of the relation between sun-spots
and terrestrial magnetic disturbances which is practically identical
with a suggestion I have recently put forward in a paper on “The cause
of the darkness of sunspots,” published in the Astrophysical Journal
(April 1897).
---------------------------------------------------------
Title: 1898 January 22, note on some results obtained with a small
prismatic camera at the Eclipse Camp at Talni
Authors: Evershed, J.
1898MNRAS..58..298E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: Expedition for the Observation of the Total Solar Eclipse,
August 9th, 1896. Mr. Evershed's Report.
Authors: Evershed, J.
1898MmBAA...6...12E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The Corona Spectrum
Authors: Evershed, J.
1897Natur..56..444E Altcode:
IN your article on the approaching solar eclipse (page 393, paragraph
2), reference is made to the apparent absence of the corona line,
1474 K, from the chromosphere and prominences. I would like to point
out that occasionally this line is clearly seen reversed in metallic
prominences; and that the form of the prominence, generally a very
small one, can be made out with the widened slit as in the other
chromosphere lines. Such an instance is recorded by Fenyi, who has
published a drawing of the prominence as seen in the lines 6677, C,
and 1474 K; the height as measured in the last-named line being 33”
(“Astronomy and Astro-physics,” xi. 432, 1892).
---------------------------------------------------------
Title: A New Arrangement of Prisms for a Solar Prominence Spectroscope
Authors: Evershed, J.
1897JBAA....7..331E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The Cause of the Darkness of Sun-Spots
Authors: Evershed, J.
1897ApJ.....5..244E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: The Cause of the Darkeness of Sun Spots
Authors: Evershed, John
1897JBAA....7..190E Altcode:
No abstract at ADS
---------------------------------------------------------
Title: A Remarkable Flight of Birds
Authors: Evershed, J.
1895Natur..52..508E Altcode:
THE forms of birds flying at a great height and crossing the solar disc,
as described by Mr. Bray in your issue of August 29, have been rather
frequently seen here during the spring and autumn months, and the writer
has always attributed such flights to migrating birds on passage. They
have usually been noticed while observing the image of the sun projected
on a card screen from the eyepiece of a small equatorial telescope;
occasionally, however, they have attracted attention at night also,
crossing the disc of the moon, upon which their forms are very clearly
defined, and with careful focussing (which is very nearly the same
as for parallel rays) it has almost been possible to identify the
species from the shape of the wings and manner of flight; birds of
the swallow tribe, in particular, have been clearly distinguished,
and others resembling the thrush, possibly redwings or fieldfares,
have been noticed. The direction of flight, according to the writer's
experience, is nearly always towards the south in August and September,
and the reverse in April.
---------------------------------------------------------
Title: The Corona Spectrum
Authors: Evershed, J.
1893Natur..48..268E Altcode:
IN the preliminary account by M. Deslandres of the main results of the
eclipse, photographs obtained by the French astronomers at Fundium,
as reported in this journal on May 25 (vol. xlviii. p. 81), it is
stated that many new coronal lines have been photographed, and that
a displacement of the lines in the light from opposite points of the
corona in the solar equatorial plane proves a rotational movement
nearly corresponding with that of the surface of the sun itself.
---------------------------------------------------------
Title: The Chromosphere
Authors: Evershed, John
1887Natur..37...79E Altcode:
HAVING lately devised a spectroscope with two small sextant telescopes
and two small prisms, one of “extra dense” glass by Hilger, I attached
it to a 2½-inch telescope, and tried its powers on the sun on the 6th
inst., with the result that not only were the rays C and D<SUP>3</SUP>
easily visible as bright lines, but I also found that by opening the
slit and keeping the brighter part of the spectrum out of view I could
see the actual ragged surface of the “storm-tossed sea of hydrogen.”
