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 |
À l'intérieur du livre
Résultats 6-10 sur 100
Page 21
... brighter than the nucleus ; there are traces of a faint whorl at the southern end . Quite irregular , but un- doubtedly a spiral . 36 s.n. A rather bright , quite irregular spiral 15 x 0.5 in p.a. 153 ° . Stellar nucleus ; several ...
... brighter than the nucleus ; there are traces of a faint whorl at the southern end . Quite irregular , but un- doubtedly a spiral . 36 s.n. A rather bright , quite irregular spiral 15 x 0.5 in p.a. 153 ° . Stellar nucleus ; several ...
Page 22
... brighter por- tion , 3 ' to 5 ' wide , elongated in 135 ° . Much fainter extensions bring the total length to nearly a degree . 0 s.n. X.G.C. a 8 3 41 I 351 1499 3 41.1 3 56.9 +24 +34 45 +36 8 1501 3 58.4 +60 39 Planetary . 0 s.n. 1514 ...
... brighter por- tion , 3 ' to 5 ' wide , elongated in 135 ° . Much fainter extensions bring the total length to nearly a degree . 0 s.n. X.G.C. a 8 3 41 I 351 1499 3 41.1 3 56.9 +24 +34 45 +36 8 1501 3 58.4 +60 39 Planetary . 0 s.n. 1514 ...
Page 23
... brighter portion is 6 ' x 4 ' , involving two tenth magn . stars . Two fainter patches lie 6 ' west , apparently separated from the main mass by a wide lane of dark matter ; the southerly one of these is 2064 , and the northern one 2067 ...
... brighter portion is 6 ' x 4 ' , involving two tenth magn . stars . Two fainter patches lie 6 ' west , apparently separated from the main mass by a wide lane of dark matter ; the southerly one of these is 2064 , and the northern one 2067 ...
Page 24
... brighter portion is about 10 ′ in diameter , fairly bright , and shows a number of irregular lanes and one clear - cut " bay " on the north which strongly suggests dark matter . There are much fainter patches north and south of the main ...
... brighter portion is about 10 ′ in diameter , fairly bright , and shows a number of irregular lanes and one clear - cut " bay " on the north which strongly suggests dark matter . There are much fainter patches north and south of the main ...
Page 26
... brighter condensations show easily in a 5 exposure . M. 82 . See Abs . Eff . 9 s.n. Very bright ; fading out rapidly toward the edges ; round , 0 : 3 in diameter , structureless . Quite bright ; 8 ' x 1 ' in p.a. 167 ° ; nucleus ...
... brighter condensations show easily in a 5 exposure . M. 82 . See Abs . Eff . 9 s.n. Very bright ; fading out rapidly toward the edges ; round , 0 : 3 in diameter , structureless . Quite bright ; 8 ' x 1 ' in p.a. 167 ° ; nucleus ...
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