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 |
À l'intérieur du livre
Résultats 6-10 sur 100
Page 22
... appears either to be variable , or to rotate so as to be concealed at times . Cf. Publ . Astr . Soc . Pacific , 27 , 242 , 1915 . 0 s.n. Very faint ; greatly elongated ; about 6 ′ x 1 ' in p.a. 20 ° . An edgewise spiral with evidence of ...
... appears either to be variable , or to rotate so as to be concealed at times . Cf. Publ . Astr . Soc . Pacific , 27 , 242 , 1915 . 0 s.n. Very faint ; greatly elongated ; about 6 ′ x 1 ' in p.a. 20 ° . An edgewise spiral with evidence of ...
Page 25
... appears to be three small stars almost in contact . Most of the others appear to be simply very faint stars . The region was carefully checked . Examination with the slitless spectroscope shows no object with bright - line spectrum in ...
... appears to be three small stars almost in contact . Most of the others appear to be simply very faint stars . The region was carefully checked . Examination with the slitless spectroscope shows no object with bright - line spectrum in ...
Page 27
... appears trinuclear ; the center of the disk is not marked by any condensation , but on its periphery are two stellar nuclei , and a short , very bright , slightly curved mass . 10 s.n. Nebulosity around Carinae ; only a portion of this ...
... appears trinuclear ; the center of the disk is not marked by any condensation , but on its periphery are two stellar nuclei , and a short , very bright , slightly curved mass . 10 s.n. Nebulosity around Carinae ; only a portion of this ...
Page 28
... appears displaced to one side of the central mass because of a well - marked dark lane on the east . The whorls show a number of very faint , almost stellar condensations . See Abs . Eff . A spiral 1 ' in diameter . Whorls form a nearly ...
... appears displaced to one side of the central mass because of a well - marked dark lane on the east . The whorls show a number of very faint , almost stellar condensations . See Abs . Eff . A spiral 1 ' in diameter . Whorls form a nearly ...
Page 30
... appears to be an exceedingly faint , very large , and very irregular spiral , covering an area about 8 ' in diameter ; many almost stellar condensations ; no true nucleus . 27 s.n. Very faint ; 3 ' x 0.5 in p.a. 88 ° ; a patchy ...
... appears to be an exceedingly faint , very large , and very irregular spiral , covering an area about 8 ' in diameter ; many almost stellar condensations ; no true nucleus . 27 s.n. Very faint ; 3 ' x 0.5 in p.a. 88 ° ; a patchy ...
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