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 29
... cluster 2 ' in diameter . Probably of globular type . The nucleus is almost stellar , very bright , nearly equivalent to 10 magn . This is surrounded by a bright central portion which shows traces of spiral forma- tion . Outside of this ...
... cluster 2 ' in diameter . Probably of globular type . The nucleus is almost stellar , very bright , nearly equivalent to 10 magn . This is surrounded by a bright central portion which shows traces of spiral forma- tion . Outside of this ...
Page 33
... star of magn . 15 s.f. 0 : 8 . Two very irregular , elongated , faint patches of nebulosity ; both are probably ... globular cluster 10 ' in diameter . M. 53. 19 s.n. A fine , rather open spiral 6 ' x 3 ' in p.a. 175 ° . The nucleus ...
... star of magn . 15 s.f. 0 : 8 . Two very irregular , elongated , faint patches of nebulosity ; both are probably ... globular cluster 10 ' in diameter . M. 53. 19 s.n. A fine , rather open spiral 6 ' x 3 ' in p.a. 175 ° . The nucleus ...
Page 34
... globular cluster is about 8 ' in diameter . 1 s.n. A spiral 3 ' x 0.6 in p.a. 40 ° , with bright , rather small nucleus . The whorls are very indistinct . 6 s.n. A rather faint p - type spiral 1 ' in diameter ; nucleus is moderately ...
... globular cluster is about 8 ' in diameter . 1 s.n. A spiral 3 ' x 0.6 in p.a. 40 ° , with bright , rather small nucleus . The whorls are very indistinct . 6 s.n. A rather faint p - type spiral 1 ' in diameter ; nucleus is moderately ...
Page 35
... Star at south does not appear to be physically connected with the nebula . An elongated spiral 0 : 6 long ; strong ... globular cluster ; the main por- tion is about 12 ' in diameter . 4 s.n. 11 ' x 0.6 in p.a. 156 ° , rather bright ...
... Star at south does not appear to be physically connected with the nebula . An elongated spiral 0 : 6 long ; strong ... globular cluster ; the main por- tion is about 12 ' in diameter . 4 s.n. 11 ' x 0.6 in p.a. 156 ° , rather bright ...
Page 36
... globular cluster ; the diameter of the brighter part is 3 ' . 5 s.n. Two very small and faint nebulous patches whose faint nuclei are 15 ′′ apart . Not planetary . 34 s.n. Bright globular cluster ; the brighter part is 3 ' in diameter ...
... globular cluster ; the diameter of the brighter part is 3 ' . 5 s.n. Two very small and faint nebulous patches whose faint nuclei are 15 ′′ apart . Not planetary . 34 s.n. Bright globular cluster ; the brighter part is 3 ' in diameter ...
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