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 12
... round or oval nebulae found wherever the spirals are found . There is an ... nearly perfect ring ; in other examples the whorls appear to begin at the ... nearly all my plates of regions distant 2 Ap . Jour . , 11 , 325 , 1900 , and Publ ...
... round or oval nebulae found wherever the spirals are found . There is an ... nearly perfect ring ; in other examples the whorls appear to begin at the ... nearly all my plates of regions distant 2 Ap . Jour . , 11 , 325 , 1900 , and Publ ...
Page 18
... Round , with much brighter center ; 0 : 3 in diameter ; structureless . star follows 30 " , but is not connected ... Nearly round , 1 ' in diameter . A very faint , rather regular spiral . Nucleus almost stellar . This is a double nebula ...
... Round , with much brighter center ; 0 : 3 in diameter ; structureless . star follows 30 " , but is not connected ... Nearly round , 1 ' in diameter . A very faint , rather regular spiral . Nucleus almost stellar . This is a double nebula ...
Page 19
... almost stellar condensations . Some evidence of absorption lane effects on the northern side . 23 s.n. Nearly round ; 1 ' in diameter ; sharp nucleus ; a rather compact spiral . A very bright , compact , nearly round spiral , 12 in ...
... almost stellar condensations . Some evidence of absorption lane effects on the northern side . 23 s.n. Nearly round ; 1 ' in diameter ; sharp nucleus ; a rather compact spiral . A very bright , compact , nearly round spiral , 12 in ...
Page 20
... Nearly round , 8 ′ in diameter . unusually beautiful and symmetrical spiral , showing numerous almost stellar condensations . Nucleus bright and small , but not stellar . 34 s.n. Planetary . 5 s.n. Spindle - shaped ; an edgewise spiral ...
... Nearly round , 8 ′ in diameter . unusually beautiful and symmetrical spiral , showing numerous almost stellar condensations . Nucleus bright and small , but not stellar . 34 s.n. Planetary . 5 s.n. Spindle - shaped ; an edgewise spiral ...
Page 21
... nearly 1 ' long . There are several stellar condensa- tions , one at the ... round ; 0 : 4 in diameter ; no detail . Spindle 1 ' long ; no details ... Nearly round spiral 08 in diameter ; strong nucleus ; whorls faint . Bright spindle 0.8 ...
... nearly 1 ' long . There are several stellar condensa- tions , one at the ... round ; 0 : 4 in diameter ; no detail . Spindle 1 ' long ; no details ... Nearly round spiral 08 in diameter ; strong nucleus ; whorls faint . Bright spindle 0.8 ...
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