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
... Nebulae and Clusters Photographed with the Crossley Reflector , by H. D. Curtis PART II . - A Study of Occulting Matter in the Spiral Nebulae , by H. D. Curtis PART III . - The Planetary Nebulae , by H. D. Curtis PART IV . - The ...
... Nebulae and Clusters Photographed with the Crossley Reflector , by H. D. Curtis PART II . - A Study of Occulting Matter in the Spiral Nebulae , by H. D. Curtis PART III . - The Planetary Nebulae , by H. D. Curtis PART IV . - The ...
Page 11
... NEBULAE AND CLUSTERS PHOTOGRAPHED WITH THE CROSSLEY REFLECTOR BY HEBER DOUST CURTIS Two lists of nebulae and clusters ... planetary nebulae ( all the known objects of this type north of 34 ° south declination ) are published elsewhere in ...
... NEBULAE AND CLUSTERS PHOTOGRAPHED WITH THE CROSSLEY REFLECTOR BY HEBER DOUST CURTIS Two lists of nebulae and clusters ... planetary nebulae ( all the known objects of this type north of 34 ° south declination ) are published elsewhere in ...
Page 12
... nebulae . 56 diffuse nebulosities . 36 globular clusters . 24 sparse clusters . 78 planetary nebulae . 8 " dark " nebulae . 47 unclassified , non - existent , etc. For many of the smaller nebulae the description reads : " No trace of ...
... nebulae . 56 diffuse nebulosities . 36 globular clusters . 24 sparse clusters . 78 planetary nebulae . 8 " dark " nebulae . 47 unclassified , non - existent , etc. For many of the smaller nebulae the description reads : " No trace of ...
Page 18
... Planetary . 1 s.n. Described as eF , eL , Dif . faint or non - existent . A rather faint , slightly oval spiral about 15 in diameter , with a fairly bright , almost stellar nucleus ; two 14 magn . stars are involved , but are evidently ...
... Planetary . 1 s.n. Described as eF , eL , Dif . faint or non - existent . A rather faint , slightly oval spiral about 15 in diameter , with a fairly bright , almost stellar nucleus ; two 14 magn . stars are involved , but are evidently ...
Page 19
... nebulae , is too well known to need description . Expo- sures of 1m to 3m on S23 show an almost stellar nucleus , with traces of spiral structure in the surrounding nebular matter . See Abs . Eff . Planetary . 11 s.n. A faint , very ...
... nebulae , is too well known to need description . Expo- sures of 1m to 3m on S23 show an almost stellar nucleus , with traces of spiral structure in the surrounding nebular matter . See Abs . Eff . Planetary . 11 s.n. A faint , very ...
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