Studies of the Nebulae: Made at the Lick Observatory, University of California, at Mount Hamilton, California, and Santiago, Chile, Volume 13University of California Press, 1918 - 268 pages |
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Page 20
... ( Continued ) A very interesting p - type spiral about 4 ' long . It somewhat resembles 1300 and 5921. The nucleus is pear ... spectrum is continuous . It is perhaps a p - type spiral with unusually bright " cross - arm . " 31 s.n. A faint ...
... ( Continued ) A very interesting p - type spiral about 4 ' long . It somewhat resembles 1300 and 5921. The nucleus is pear ... spectrum is continuous . It is perhaps a p - type spiral with unusually bright " cross - arm . " 31 s.n. A faint ...
Page 34
... ( Continued ) Vol . VIII , Plate 46. A bright , beautiful spiral 8 ' x 3 ' in p.a. 98 ° . Has an almost stellar nucleus ... spectrum is continuous . It is about 0.5 in diameter , of unusual structure . There is no nucleus ; the nebula ...
... ( Continued ) Vol . VIII , Plate 46. A bright , beautiful spiral 8 ' x 3 ' in p.a. 98 ° . Has an almost stellar nucleus ... spectrum is continuous . It is about 0.5 in diameter , of unusual structure . There is no nucleus ; the nebula ...
Page 38
... ( Continued ) 0 s.n. Bright globular cluster 4 ' in diameter . M. 28 . Planetary . 1 s.n. Moderately bright spiral 3 ' x 11 in ... continuous spectrum . 0 : 3 long . 21 s.n. Described as a planetary . Search with the slitless spectroscope ...
... ( Continued ) 0 s.n. Bright globular cluster 4 ' in diameter . M. 28 . Planetary . 1 s.n. Moderately bright spiral 3 ' x 11 in ... continuous spectrum . 0 : 3 long . 21 s.n. Described as a planetary . Search with the slitless spectroscope ...
Page 39
... ( Continued ) M. 75. Bright , compact globular cluster 2 ' in diameter . Greatly condensed at center . 9 s.n. Planetary ... continuous spectrum . 0 s.n. Faint diffuse nebulosity 2 ′ in diameter about the star B. D. + 41 ° , 3731 . Bright ...
... ( Continued ) M. 75. Bright , compact globular cluster 2 ' in diameter . Greatly condensed at center . 9 s.n. Planetary ... continuous spectrum . 0 s.n. Faint diffuse nebulosity 2 ′ in diameter about the star B. D. + 41 ° , 3731 . Bright ...
Page 72
... spectrum of such small diffuse nebulosities has frequently been found to be continuous , sup- porting the theory that the light emitted by them may be wholly or in part a reflection phenom- enon , or possibly some as yet unidentified ...
... spectrum of such small diffuse nebulosities has frequently been found to be continuous , sup- porting the theory that the light emitted by them may be wholly or in part a reflection phenom- enon , or possibly some as yet unidentified ...
Autres éditions - Tout afficher
Studies of the Nebulae: Made at the Lick Observatory, University ..., Volume 13 Lick Observatory,Joseph Haines Moore Affichage du livre entier - 1918 |
Expressions et termes fréquents
appears bright bands bright lines brighter Campbell N₁ central portion central star continuous spectrum dark lane DETAILS OF OBSERVATION diameter diffuse nebulosity disk edge elongated exposure faint fainter figure g slitless Greater Magellanic Cloud H N₁ N₂ Haynes hydrogen hydrogen lines inclination km./sec Lick Obs LICK OBSERVATORY line Ia long Hẞ M. T. Exp major axis minor axis Miss Hobe N Miss Hobe N₁ moderately bright Moore Miss Hobe Moore N Moore N₁ N₂ N₁ N₂ Hẞ N₂ HB N₂ Hẞ Hy nearly round nucleus band object Orion nebula photographic planetary nebulae radial velocity region relative intensities ring Ring Nebula rotation s.n. Planetary Scott N Scott N₁ Sept Slit long small nebulae spectra spectrograms spiral nebulae spiral structure star of magn stellar condensations stellar nucleus ultra-violet under-exposed wave-lengths whorls Wolf-Rayet Wolf-Rayet stars Ηβ Ηγ