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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Résultats 1-5 sur 59
Page 18
... star follows 30 " , but is not connected with the nebula . None of the many small nebulae on this plate appear to ... central portion is about 2 ' in diameter , showing traces of rather irregular spiral structure ; the nucleus is almost ...
... star follows 30 " , but is not connected with the nebula . None of the many small nebulae on this plate appear to ... central portion is about 2 ' in diameter , showing traces of rather irregular spiral structure ; the nucleus is almost ...
Page 19
... star . They show considerable structural detail . The brightest part is a ... central portion and a sharp nucleus ; 2 ' long ; con- siderably elongated ... stars . 7 s.n. N.G.C. 613 a 1 29.6 δ -29 55 628 1 DESCRIPTIONS OF 762 NEBULAE AND ...
... star . They show considerable structural detail . The brightest part is a ... central portion and a sharp nucleus ; 2 ' long ; con- siderably elongated ... stars . 7 s.n. N.G.C. 613 a 1 29.6 δ -29 55 628 1 DESCRIPTIONS OF 762 NEBULAE AND ...
Page 20
... Central portion fairly bright . See Abs . Eff . Slightly oval ; 0.5 in ... star . Almost stellar ; slightly elongated . A faint oval spiral 10 x 0 : 2 ... central part is very bright , and Saturn - shaped ; there may be an almost stellar ...
... Central portion fairly bright . See Abs . Eff . Slightly oval ; 0.5 in ... star . Almost stellar ; slightly elongated . A faint oval spiral 10 x 0 : 2 ... central part is very bright , and Saturn - shaped ; there may be an almost stellar ...
Page 21
... central portions , near the bright nucleus , which is apparently not stellar ... star . An exposure of 1h 50m shows no trace of any nebulosity . 5 s.n. A ... star . 48 s.n. Bright center ; elongated fainter extensions ; 0.5 long ; perhaps ...
... central portions , near the bright nucleus , which is apparently not stellar ... star . An exposure of 1h 50m shows no trace of any nebulosity . 5 s.n. A ... star . 48 s.n. Bright center ; elongated fainter extensions ; 0.5 long ; perhaps ...
Page 22
... star 12 ' n.f. 0 s.n. Small , nearly round , irregular spiral , 0.7 in ... stars involved ; about 3 ′ in diameter . 0 s.n. Faint edgewise spiral 2 ' long ... central part is vacant , giving the object the general appearance of a pear ...
... star 12 ' n.f. 0 s.n. Small , nearly round , irregular spiral , 0.7 in ... stars involved ; about 3 ′ in diameter . 0 s.n. Faint edgewise spiral 2 ' long ... central part is vacant , giving the object the general appearance of a pear ...
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