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
... small nebulae . Had he changed to include four such regions as the following : α δ Small nebulae 11h 9m + 55 ° 34 ' 107 11 22 +17 46 69 12 15 12 55 555 +6 1 81 +28 30 304 561 his estimate would have been increased by at least 60 per ...
... small nebulae . Had he changed to include four such regions as the following : α δ Small nebulae 11h 9m + 55 ° 34 ' 107 11 22 +17 46 69 12 15 12 55 555 +6 1 81 +28 30 304 561 his estimate would have been increased by at least 60 per ...
Page 18
... nebula . This region is unusually thick with small nebulae and nebulous stars : several of these are small spirals . N. G. C. 67 , 69-72 , and 75 are all small nebulae or nebulous stars . 98 s.n. A small area of diffuse nebulosity about ...
... nebula . This region is unusually thick with small nebulae and nebulous stars : several of these are small spirals . N. G. C. 67 , 69-72 , and 75 are all small nebulae or nebulous stars . 98 s.n. A small area of diffuse nebulosity about ...
Page 19
... nebula . See figure 4 . 0 s.n. Described as vF , eeL by , Wolf . There are a number of small nebulae in this region , but no trace of II 1613 in an exposure of 1h 44m . 33 s.n. Rather faint , considerably elongated spiral 15 in length ...
... nebula . See figure 4 . 0 s.n. Described as vF , eeL by , Wolf . There are a number of small nebulae in this region , but no trace of II 1613 in an exposure of 1h 44m . 33 s.n. Rather faint , considerably elongated spiral 15 in length ...
Page 20
... small , but not stellar . 34 s.n. Planetary . 5 s.n. Spindle - shaped ; an edgewise spiral 35 long in p.a. 80 ° , with a clear - cut ab- sorption lane passing along its length at one side of the center . Central portion fairly bright ...
... small , but not stellar . 34 s.n. Planetary . 5 s.n. Spindle - shaped ; an edgewise spiral 35 long in p.a. 80 ° , with a clear - cut ab- sorption lane passing along its length at one side of the center . Central portion fairly bright ...
Page 21
... nebula is a small spindle about 0.5 long . 49 s.n. Described as a nebulosity 5 ' long attached on the s.p. side to a 6.2 magn . star . An exposure of 1h 50m shows no trace of any nebulosity . 5 s.n. A faint and very irregular patch of ...
... nebula is a small spindle about 0.5 long . 49 s.n. Described as a nebulosity 5 ' long attached on the s.p. side to a 6.2 magn . star . An exposure of 1h 50m shows no trace of any nebulosity . 5 s.n. A faint and very irregular patch of ...
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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