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 11
... evidence of absorption effects . These have been discussed , and seventy - nine illustrations reproduced in a separate paper in this volume , " A Study of Occulting Matter in the Spiral Nebulae . " The phrase , " See Abs . Eff . " in ...
... evidence of absorption effects . These have been discussed , and seventy - nine illustrations reproduced in a separate paper in this volume , " A Study of Occulting Matter in the Spiral Nebulae . " The phrase , " See Abs . Eff . " in ...
Page 17
... evidence on this point is only to be secured by taking many additional plates at random . In conclusion , I see no reason , at present existing , for changing the estimate made in this paper , that at least 700,000 , and very probably ...
... evidence on this point is only to be secured by taking many additional plates at random . In conclusion , I see no reason , at present existing , for changing the estimate made in this paper , that at least 700,000 , and very probably ...
Page 18
... evidence of an absorbing lane at one side ; 12 long . The southern nebula is a bright oval 0 : 3 long ; probably a spiral . See Abs . Eff . Oval , 0.7 long ; center considerably brighter ; probably spiral . Rather irregular ; slightly ...
... evidence of an absorbing lane at one side ; 12 long . The southern nebula is a bright oval 0 : 3 long ; probably a spiral . See Abs . Eff . Oval , 0.7 long ; center considerably brighter ; probably spiral . Rather irregular ; slightly ...
Page 19
... 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 diameter . The nucleus is well defined ...
... 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 diameter . The nucleus is well defined ...
Page 21
... evidence of absorption effects on the south side . See Abs . Eff . 0 s.n. 6 ' x 13 in p.a. 80 ° . Center very bright , with perhaps an almost stellar nucleus . While no spiral whorls are discernible , it is probably a spiral of the ...
... evidence of absorption effects on the south side . See Abs . Eff . 0 s.n. 6 ' x 13 in p.a. 80 ° . Center very bright , with perhaps an almost stellar nucleus . While no spiral whorls are discernible , it is probably a spiral of the ...
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