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
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Page 12
... disks or ovals solely because of their small size . Were the Great Nebula in Andromeda situated five hundred times as far away as at present , it would appear as a structureless oval about 0 : 2 long , with very bright center , and not ...
... disks or ovals solely because of their small size . Were the Great Nebula in Andromeda situated five hundred times as far away as at present , it would appear as a structureless oval about 0 : 2 long , with very bright center , and not ...
Page 27
... disk is not marked by any condensation , but on its periphery are two stellar nuclei , and a short , very bright , slightly curved mass . 10 s.n. Nebulosity around Carinae ; only a portion of this nebula is shown on the plate . D. O. ...
... disk is not marked by any condensation , but on its periphery are two stellar nuclei , and a short , very bright , slightly curved mass . 10 s.n. Nebulosity around Carinae ; only a portion of this nebula is shown on the plate . D. O. ...
Page 28
... disk of matter about 05 diameter ; no true nucleus can be seen . A fine , rather bright spiral 4 ' x 2 ' in p.a. 122 ° . Very bright stellar nucleus . There are numerous almost stellar condensations . It is a two - branched spiral , and ...
... disk of matter about 05 diameter ; no true nucleus can be seen . A fine , rather bright spiral 4 ' x 2 ' in p.a. 122 ° . Very bright stellar nucleus . There are numerous almost stellar condensations . It is a two - branched spiral , and ...
Page 29
... disk 0 : 2 in diameter ; no structure discernible . A compact , moderately bright spiral 2 ' x 1 ' in p.a. 65 ° . Bright , almost stellar nucleus ; the whorls are somewhat patchy and irregular . See Abs . Eff . 26 s.n. A very irregular ...
... disk 0 : 2 in diameter ; no structure discernible . A compact , moderately bright spiral 2 ' x 1 ' in p.a. 65 ° . Bright , almost stellar nucleus ; the whorls are somewhat patchy and irregular . See Abs . Eff . 26 s.n. A very irregular ...
Page 34
... disk with a bright peripheral streak or whorl . A large number of almost stellar condensations in the rather open whorls of this fine object . See figure 7. 18 s.n A fine bright spiral 5 ' in diameter ; nearly round . Very bright ...
... disk with a bright peripheral streak or whorl . A large number of almost stellar condensations in the rather open whorls of this fine object . See figure 7. 18 s.n A fine bright spiral 5 ' in diameter ; nearly round . Very bright ...
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