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 11
... indicates that an illustration of the nebula will be found in the paper mentioned . The positions given are those of Dreyer1 brought up to 1900.0 ; a few obvious errors in the Dreyer values have been corrected . 1 Dreyer , J. L. E. , A ...
... indicates that an illustration of the nebula will be found in the paper mentioned . The positions given are those of Dreyer1 brought up to 1900.0 ; a few obvious errors in the Dreyer values have been corrected . 1 Dreyer , J. L. E. , A ...
Page 12
... indicated where a nebula is undoubtedly of the diffuse or the planetary type . Such indications of the lack of discernible spiral character merely mean that no whorls are visible , either because these may be very compactly arranged ...
... indicated where a nebula is undoubtedly of the diffuse or the planetary type . Such indications of the lack of discernible spiral character merely mean that no whorls are visible , either because these may be very compactly arranged ...
Page 15
... indicate a similar , but less marked , concentration of the small nebulae in the southern polar area . The results given in the third line of the table for the zones 15 ° wide between the galactic zone and the two polar zones are of ...
... indicate a similar , but less marked , concentration of the small nebulae in the southern polar area . The results given in the third line of the table for the zones 15 ° wide between the galactic zone and the two polar zones are of ...
Page 24
... indicating changes of form in less than eight years . Vol . VIII , Plate 16. Nebula near 15 Monocerotis . A very interesting region . The brighter portion is about 10 ′ in diameter , fairly bright , and shows a number of irregular lanes ...
... indicating changes of form in less than eight years . Vol . VIII , Plate 16. Nebula near 15 Monocerotis . A very interesting region . The brighter portion is about 10 ′ in diameter , fairly bright , and shows a number of irregular lanes ...
Page 49
... indicated . Contributory evidence is afforded by the elongated spirals in which the nebular matter is considerably fainter on one side of the major axis of the projected ellipse , or where the nebular matter extends considerably further ...
... indicated . Contributory evidence is afforded by the elongated spirals in which the nebular matter is considerably fainter on one side of the major axis of the projected ellipse , or where the nebular matter extends considerably further ...
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