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 144
... July 19 , 1916 , with the slit along the major axis of the nebular image . The center of the nebula was held on the ... July 13 Campbell East West k ROCA OTSE a Moore -17.2 Campbell Moore -24.6 -15.8 1916 July 19 Campbell -18.6 b -20.8 ...
... July 19 , 1916 , with the slit along the major axis of the nebular image . The center of the nebula was held on the ... July 13 Campbell East West k ROCA OTSE a Moore -17.2 Campbell Moore -24.6 -15.8 1916 July 19 Campbell -18.6 b -20.8 ...
Page 144
... July 14 1916 August 3 Distance from center of Campbell Moore Campbell Moore Mean nebula North a ' -20.1 -19.2 -19.6 ... July 7.89 July 25.86 5.0 3 - pr . 16 - in . Miss Hobe Campbell Moore Miss Hobe Moore Miss Hobe N , N , Hẞ +42.5 +44.0 ...
... July 14 1916 August 3 Distance from center of Campbell Moore Campbell Moore Mean nebula North a ' -20.1 -19.2 -19.6 ... July 7.89 July 25.86 5.0 3 - pr . 16 - in . Miss Hobe Campbell Moore Miss Hobe Moore Miss Hobe N , N , Hẞ +42.5 +44.0 ...
Page 145
... July 19 . Fig . 57. - Drawing of the N , line in N.G.C. 6818 ( Moore ) . ( a ) minor axis , 1916 Sept. 7 ; ( b ) major axis , 1917 July 13 . a C し The nebula is a small oval ( 9 ′′ X. PLATE XXXVI.
... July 19 . Fig . 57. - Drawing of the N , line in N.G.C. 6818 ( Moore ) . ( a ) minor axis , 1916 Sept. 7 ; ( b ) major axis , 1917 July 13 . a C し The nebula is a small oval ( 9 ′′ X. PLATE XXXVI.
Page 147
... July 7 July 25 +6.6 km . Moore +4.2 km . +4.3 Mean +4.2 km . +5.4 Length of line Distance in nebula 0.40 mm . 0.38 874 8.0 Means , +4.8 8.2 The observations afford some evidence that this nebula is in rotation in the sense that a point ...
... July 7 July 25 +6.6 km . Moore +4.2 km . +4.3 Mean +4.2 km . +5.4 Length of line Distance in nebula 0.40 mm . 0.38 874 8.0 Means , +4.8 8.2 The observations afford some evidence that this nebula is in rotation in the sense that a point ...
Page 148
... July , 1915 , recorded a trace of N ,, but too under - exposed for satis- factory measurement . Gr . M. T. 1917 June ... July 8.81 Exp . Dispersion 4.3h 1 - lt . pr . 16 - in . Measurer Lines Vel . V Wt . Slit Remarks Merrill N , N2 Hẞ ...
... July , 1915 , recorded a trace of N ,, but too under - exposed for satis- factory measurement . Gr . M. T. 1917 June ... July 8.81 Exp . Dispersion 4.3h 1 - lt . pr . 16 - in . Measurer Lines Vel . V Wt . Slit Remarks Merrill N , N2 Hẞ ...
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