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 18
... elongated spiral 0 : 5 long . Considerably elongated ; 07 long ; center much brighter ; doubtless spiral . Slightly oval ; much brighter center ; 0 : 3 in diameter ; probably spiral . The companion n.p. the nebula in Andromeda . The ...
... elongated spiral 0 : 5 long . Considerably elongated ; 07 long ; center much brighter ; doubtless spiral . Slightly oval ; much brighter center ; 0 : 3 in diameter ; probably spiral . The companion n.p. the nebula in Andromeda . The ...
Page 19
... elongated spiral 15 in length ; nucleus well defined . Round ; 13 in diameter ; quite bright . The nucleus is stellar ; no spiral struc- ture is apparent , but there is a minute , curved , dark lane n.f. the nucleus . 26 s.n. A spindle ...
... elongated spiral 15 in length ; nucleus well defined . Round ; 13 in diameter ; quite bright . The nucleus is stellar ; no spiral struc- ture is apparent , but there is a minute , curved , dark lane n.f. the nucleus . 26 s.n. A spindle ...
Page 20
... elongated . A faint oval spiral 10 x 0 : 2 in p.a. 140 ° , with a very faint stellar nucleus . No nebula in the position given for 739. This is described as " cF , vS , R , in triangle of stars " ; there is such an object at 1h 51m1 , + ...
... elongated . A faint oval spiral 10 x 0 : 2 in p.a. 140 ° , with a very faint stellar nucleus . No nebula in the position given for 739. This is described as " cF , vS , R , in triangle of stars " ; there is such an object at 1h 51m1 , + ...
Page 21
... elongated fainter extensions ; 0.5 long ; perhaps spiral . Bright center ; nearly round ; 0 : 4 in diameter ; no detail . Spindle 1 ' long ; no details visible , but probably an edgewise spiral . An unusually interesting two - branched ...
... elongated fainter extensions ; 0.5 long ; perhaps spiral . Bright center ; nearly round ; 0 : 4 in diameter ; no detail . Spindle 1 ' long ; no details visible , but probably an edgewise spiral . An unusually interesting two - branched ...
Page 22
... 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 4 2.9 +30 33 Planetary . 7 s.n. 1535 4 ...
... 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 4 2.9 +30 33 Planetary . 7 s.n. 1535 4 ...
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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