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
... stellar nucleus ; two 14 magn . stars are involved , but are evidently not physically connected with the nebula . This region is unusually thick with small nebulae and nebulous stars : several of these are small spirals . N. G. C. 67 ...
... stellar nucleus ; two 14 magn . stars are involved , but are evidently not physically connected with the nebula . This region is unusually thick with small nebulae and nebulous stars : several of these are small spirals . N. G. C. 67 ...
Page 19
... stellar nucleus , with traces of spiral structure in the surrounding nebular matter . See Abs . Eff . Planetary . 11 s.n. A faint , very large , spiral , 18 ' x 5 ' in p.a. 175 ° . Nucleus stellar ; many almost stellar condensations ...
... stellar nucleus , with traces of spiral structure in the surrounding nebular matter . See Abs . Eff . Planetary . 11 s.n. A faint , very large , spiral , 18 ' x 5 ' in p.a. 175 ° . Nucleus stellar ; many almost stellar condensations ...
Page 20
... stellar condensations . Nucleus bright and small , but not stellar . 34 s.n. Planetary . 5 s.n. Spindle - shaped ; an edgewise spiral 35 long in p.a. 80 ° , with a clear - cut ab- sorption lane passing along its length at one side of ...
... stellar condensations . Nucleus bright and small , but not stellar . 34 s.n. Planetary . 5 s.n. Spindle - shaped ; an edgewise spiral 35 long in p.a. 80 ° , with a clear - cut ab- sorption lane passing along its length at one side of ...
Page 21
... Stellar nucleus ; several strong condensations . There are vacant spaces about the two main condensations at the n . and s . , and evidence of absorption effects on the south side . See Abs . Eff . 0 s.n. 6 ' x 13 in p.a. 80 ° . Center ...
... Stellar nucleus ; several strong condensations . There are vacant spaces about the two main condensations at the n . and s . , and evidence of absorption effects on the south side . See Abs . Eff . 0 s.n. 6 ' x 13 in p.a. 80 ° . Center ...
Page 22
... nucleus is almost stellar ; there are portions of short , strong whorls near the nucleus ; on the periphery are two long , almost detached whorls ; a wide band of faint nebulous matter runs across the center from one whorl to the other ...
... nucleus is almost stellar ; there are portions of short , strong whorls near the nucleus ; on the periphery are two long , almost detached whorls ; a wide band of faint nebulous matter runs across the center from one whorl to the other ...
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