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 17
... probably 1,000,000 small spirals are within reach of large reflecting telescopes . 7 In order that those who are not familiar with the character of the image in the field of a parabolic reflector may not misunderstand the data given ...
... probably 1,000,000 small spirals are within reach of large reflecting telescopes . 7 In order that those who are not familiar with the character of the image in the field of a parabolic reflector may not misunderstand the data given ...
Page 18
... probably a spiral . See Abs . Eff . Oval , 0.7 long ; center considerably brighter ; probably spiral . Rather irregular ; slightly oval , 3 ′ long ; there are two curious rifts near the nucleus ; it appears to be an irregular spiral ...
... probably a spiral . See Abs . Eff . Oval , 0.7 long ; center considerably brighter ; probably spiral . Rather irregular ; slightly oval , 3 ′ long ; there are two curious rifts near the nucleus ; it appears to be an irregular spiral ...
Page 19
... Probably spiral ; an absorbing lane is suspected . Slightly oval ; 1 ' long ; nucleus almost stellar ; no whorls or spiral structure dis- cernible , but is probably a spiral . 46 s.n. Very small ; binuclear . The almost stellar nuclei ...
... Probably spiral ; an absorbing lane is suspected . Slightly oval ; 1 ' long ; nucleus almost stellar ; no whorls or spiral structure dis- cernible , but is probably a spiral . 46 s.n. Very small ; binuclear . The almost stellar nuclei ...
Page 20
... probably 760 . Not given in the N. G. C. though much more conspicuous than 765 which is 29 ′ s . A p - type spiral with axis in p.a. 135 ° ; 1 ' long . 7 s.n. A small , open spiral ; 1 ' long whorls very faint . A very bright oval , 0'4 ...
... probably 760 . Not given in the N. G. C. though much more conspicuous than 765 which is 29 ′ s . A p - type spiral with axis in p.a. 135 ° ; 1 ' long . 7 s.n. A small , open spiral ; 1 ' long whorls very faint . A very bright oval , 0'4 ...
Page 21
... probably a spiral of the Andro- meda type . 13 s.n. A moderately bright spiral 5 ' x 1 ' in p.a. 102 ° . Shows a few rather hazy con- densations . Evidence of absorption effect on the n . Messier 77 Ceti ; Vol . VIII , Plate 7. A very ...
... probably a spiral of the Andro- meda type . 13 s.n. A moderately bright spiral 5 ' x 1 ' in p.a. 102 ° . Shows a few rather hazy con- densations . Evidence of absorption effect on the n . Messier 77 Ceti ; Vol . VIII , Plate 7. A very ...
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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