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 28
... almost stellar condensations . See Abs . Eff . A spiral 1 ' in diameter . Whorls form a nearly perfect ring . A slightly oval , rather patchy spiral 12 long ; fairly bright nucleus . A fine , rather open , nearly round spiral , 2 ' in ...
... almost stellar condensations . See Abs . Eff . A spiral 1 ' in diameter . Whorls form a nearly perfect ring . A slightly oval , rather patchy spiral 12 long ; fairly bright nucleus . A fine , rather open , nearly round spiral , 2 ' in ...
Page 29
... almost stellar . Shows traces of the p - type formation in the central portions . Faint , nearly round spiral , 0.7 in diameter . An open , elongated spiral 8 ' x 2 ' in p.a. 150 ° . Bright stellar nucleus ; numerous almost stellar ...
... almost stellar . Shows traces of the p - type formation in the central portions . Faint , nearly round spiral , 0.7 in diameter . An open , elongated spiral 8 ' x 2 ' in p.a. 150 ° . Bright stellar nucleus ; numerous almost stellar ...
Page 30
... Nearly round ; 0 : 3 in diameter , with an almost stellar nucleus ; a spiral . Nearly round , l ′ in diameter ; central part very bright ; no spiral structure discernible . A very bright oval 1.5 x 0.5 ; some slight indications of ...
... Nearly round ; 0 : 3 in diameter , with an almost stellar nucleus ; a spiral . Nearly round , l ′ in diameter ; central part very bright ; no spiral structure discernible . A very bright oval 1.5 x 0.5 ; some slight indications of ...
Page 31
... almost stellar . Rather faint 0.7 x 0.5 ; has a faint nucleus ; irregular ; the whorls form a nearly complete oval ring . The very bright nucleus is not stellar ; shows well in a 3m exposure . Nearly round , 2 ' in diameter , fading out ...
... almost stellar . Rather faint 0.7 x 0.5 ; has a faint nucleus ; irregular ; the whorls form a nearly complete oval ring . The very bright nucleus is not stellar ; shows well in a 3m exposure . Nearly round , 2 ' in diameter , fading out ...
Page 32
... almost stellar nucleus . 6 ' x 3 ' in p.a. 30 ° ; two regular , well separated whorls , showing numerous almost stellar condensations . Planetary . 0 s.n. 1.5 x 0.5 , with a round , very bright central portion ; no nucleus or whorls dis ...
... almost stellar nucleus . 6 ' x 3 ' in p.a. 30 ° ; two regular , well separated whorls , showing numerous almost stellar condensations . Planetary . 0 s.n. 1.5 x 0.5 , with a round , very bright central portion ; no nucleus or whorls dis ...
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