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 22
... nearly round , irregular spiral , 0.7 in diameter . Oval ; 15 long ; rather large , brighter nucleus ; no discernible spiral structure . 31 s.n. Small ; round , almost stellar . Narrow oval 0 : 5 long ; perhaps spiral . 0 : 3 long ...
... nearly round , irregular spiral , 0.7 in diameter . Oval ; 15 long ; rather large , brighter nucleus ; no discernible spiral structure . 31 s.n. Small ; round , almost stellar . Narrow oval 0 : 5 long ; perhaps spiral . 0 : 3 long ...
Page 24
... almost stellar nucleus ; no spiral structure discernible . 4 s.n. A fine , nearly round spiral 15 in diameter ; moderately bright . It has a sharp stellar nucleus ; the whorls are rather open , and show a number of almost stellar ...
... almost stellar nucleus ; no spiral structure discernible . 4 s.n. A fine , nearly round spiral 15 in diameter ; moderately bright . It has a sharp stellar nucleus ; the whorls are rather open , and show a number of almost stellar ...
Page 25
... nearly round spiral 13 in diameter ; whorls rather open ; the nucleus is faint and almost stellar . 16 s.n. Described as vF , vS , F st close n . No such object exists in this position . There is a small spiral ( p - type ? ) at 8h 42m7 ...
... nearly round spiral 13 in diameter ; whorls rather open ; the nucleus is faint and almost stellar . 16 s.n. Described as vF , vS , F st close n . No such object exists in this position . There is a small spiral ( p - type ? ) at 8h 42m7 ...
Page 26
... nearly round , rather symmetrical and open spiral 3 ' in diameter ; numerous almost stellar condensations . The nucleus is almost stellar and very bright , showing well in 10m exposure . There is now no trace of the suspected nova noted ...
... nearly round , rather symmetrical and open spiral 3 ' in diameter ; numerous almost stellar condensations . The nucleus is almost stellar and very bright , showing well in 10m exposure . There is now no trace of the suspected nova noted ...
Page 27
... nearly round , 25 in diameter ; stellar nucleus . A very open spiral with numerous condensations , and some approach to the p - type at the center . 6 s.n. A beautiful object ; nearly round ; 3 ' in diameter . The whorls are rather ...
... nearly round , 25 in diameter ; stellar nucleus . A very open spiral with numerous condensations , and some approach to the p - type at the center . 6 s.n. A beautiful object ; nearly round ; 3 ' in diameter . The whorls are rather ...
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