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 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
... Planetary . 11 s.n. A faint , very large , spiral , 18 ' x 5 ' in p.a. 175 ° . Nucleus stellar ; many almost stellar condensations . Whorls somewhat irregular , and indistinct . 22 s.n. Vol . VIII , Plate 2. One of the most beautiful ...
... Planetary . 11 s.n. A faint , very large , spiral , 18 ' x 5 ' in p.a. 175 ° . Nucleus stellar ; many almost stellar condensations . Whorls somewhat irregular , and indistinct . 22 s.n. Vol . VIII , Plate 2. One of the most beautiful ...
Page 20
... 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 . See Abs . Eff . Slightly oval ...
... 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 . See Abs . Eff . Slightly oval ...
Page 22
... s.n. X.G.C. a 8 3 41 I 351 1499 3 41.1 3 56.9 +24 +34 45 +36 8 1501 3 58.4 +60 39 Planetary . 0 s.n. 1514 4 2.9 +30 33 Planetary . 7 s.n. 1535 4 9.6 1530 4 10.7 -13 0 +75 3 1555 4 16.1 +19 17 1560 4 20.5 +71 41 1579 4 23.7 +35 41 --- 4 ...
... s.n. X.G.C. a 8 3 41 I 351 1499 3 41.1 3 56.9 +24 +34 45 +36 8 1501 3 58.4 +60 39 Planetary . 0 s.n. 1514 4 2.9 +30 33 Planetary . 7 s.n. 1535 4 9.6 1530 4 10.7 -13 0 +75 3 1555 4 16.1 +19 17 1560 4 20.5 +71 41 1579 4 23.7 +35 41 --- 4 ...
Page 23
... s.n. A mass of rather faint diffuse nebulosity about a star of magn . 8.6 ; 4 ′ long . Moderately bright diffuse nebulosity of the Pleiades type , filling an area about 6 ' x 3 ' at the southeast of a star of magn . 8.4 . Planetary . 0 s.n. ...
... s.n. A mass of rather faint diffuse nebulosity about a star of magn . 8.6 ; 4 ′ long . Moderately bright diffuse nebulosity of the Pleiades type , filling an area about 6 ' x 3 ' at the southeast of a star of magn . 8.4 . Planetary . 0 s.n. ...
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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