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 7
... Bright - Line Nebulae , by W. W. Campbell and J. H. Moore - - Page 9 - Page 43 - Page 55 - Page 75 - PART V. - The Radial Velocity of the Greater Magellanic Cloud , by R. E. Wilson Page 185 PART VI . — The Wave - Lengths of the Nebular ...
... Bright - Line Nebulae , by W. W. Campbell and J. H. Moore - - Page 9 - Page 43 - Page 55 - Page 75 - PART V. - The Radial Velocity of the Greater Magellanic Cloud , by R. E. Wilson Page 185 PART VI . — The Wave - Lengths of the Nebular ...
Page 25
... bright - line spectrum in this region . O s.n. Praesepe cluster . Stars not nebulous with an exposure of 2h , 14 s.n. Planetary . 1 s.n. A faint , symmetrical , nearly round spiral 13 in diameter ; whorls rather open ; the nucleus is ...
... bright - line spectrum in this region . O s.n. Praesepe cluster . Stars not nebulous with an exposure of 2h , 14 s.n. Planetary . 1 s.n. A faint , symmetrical , nearly round spiral 13 in diameter ; whorls rather open ; the nucleus is ...
Page 29
... bright lines in its spectrum . It is undoubtedly a spiral , however . 40 s.n. A small , rather bright spiral 1 ' long , slightly oval . Nucleus bright and almost stellar . Shows traces of the p - type formation in the central portions ...
... bright lines in its spectrum . It is undoubtedly a spiral , however . 40 s.n. A small , rather bright spiral 1 ' long , slightly oval . Nucleus bright and almost stellar . Shows traces of the p - type formation in the central portions ...
Page 59
... bright - line spectrum observed by Messrs . Campbell and Moore . N.G.C. 2610 ; 8 28m8 , -15 ° 48 ′ . Noted as annular , and spectrum probably gaseous , by Reynolds in Helwan Observatory Bulletin , No. 15. Planetary type of spectrum ...
... bright - line spectrum observed by Messrs . Campbell and Moore . N.G.C. 2610 ; 8 28m8 , -15 ° 48 ′ . Noted as annular , and spectrum probably gaseous , by Reynolds in Helwan Observatory Bulletin , No. 15. Planetary type of spectrum ...
Page 61
... bright line spectrum , it should probably be classed with the diffuse nebulosities rather than with the planetary nebulae . J900 ( 15 ) has two bright lobe - like nuclei but 28 apart ; the nebular matter is very bright and a faint ...
... bright line spectrum , it should probably be classed with the diffuse nebulosities rather than with the planetary nebulae . J900 ( 15 ) has two bright lobe - like nuclei but 28 apart ; the nebular matter is very bright and a faint ...
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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