Studies of the Nebulae: Made at the Lick Observatory, University of California, at Mount Hamilton, California, and Santiago, Chile, Volume 13Lick Observatory, Heber Doust Curtis, William Wallace Campbell, Joseph Haines Moore, Ralph Elmer Wilson, William Hammond Wright University of California Press, 1918 - 268 pages |
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Page 18
No trace in an exposure of 1h 2m; either exceedingly faint or non-existent. 8 s.n.
A rather faint, slightly oval spiral about 1.5 in diameter, with a fairly bright, almost
stellar nucleus; two 14 magn. stars are involved, but are evidently not physically ...
No trace in an exposure of 1h 2m; either exceedingly faint or non-existent. 8 s.n.
A rather faint, slightly oval spiral about 1.5 in diameter, with a fairly bright, almost
stellar nucleus; two 14 magn. stars are involved, but are evidently not physically ...
Page 20
A faint oval patch of nebulosity lies 21.5 to the south. 5 s.n. Messier 74 Piscium;
Vol. VIII, Plate 4. Nearly round, 8' in diameter. An unusually beautiful and
symmetrical spiral, showing numerous almost stellar condensations. Nucleus
bright and ...
A faint oval patch of nebulosity lies 21.5 to the south. 5 s.n. Messier 74 Piscium;
Vol. VIII, Plate 4. Nearly round, 8' in diameter. An unusually beautiful and
symmetrical spiral, showing numerous almost stellar condensations. Nucleus
bright and ...
Page 41
+25 +28 +15 +15 +15 +29 +14 +15 +15 +15 +11 +40 +61 +41 — 7 48 28 32 58
37 43 27 51 36 59 27 27 26 47 10 38 57 59 53 53 41 59 31 DESCRIPTION-(
Continued) Round; diameter 0:6. Stellar nucleus surrounded by a faint ring;
doubtless ...
+25 +28 +15 +15 +15 +29 +14 +15 +15 +15 +11 +40 +61 +41 — 7 48 28 32 58
37 43 27 51 36 59 27 27 26 47 10 38 57 59 53 53 41 59 31 DESCRIPTION-(
Continued) Round; diameter 0:6. Stellar nucleus surrounded by a faint ring;
doubtless ...
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Table des matières
PART IIA Study of Occulting Matter in the spiral Nebulae by H D Curtis Page | 43 |
The Planetary Nebulae by H D Curtis Page | 55 |
PART IVThe Spectrographic Velocities of the BrightLine Nebulae by W W Campbell and J H Moore Page | 75 |
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Autres éditions - Tout afficher
Studies of the Nebulae: Made at the Lick Observatory, University ..., Volume 13 Lick Observatory Affichage du livre entier - 1918 |
Expressions et termes fréquents
angle appears band bright bright lines brighter Campbell central central star Class Cloud components considerable corresponding dark DETAILS diameter direction edge effect elongated ends evidence exposure extends fact faint fainter figure g slitless give given Hobe Moore Miss hydrogen inclination indicated intensity irregular July June lane length M. T. Exp magn major axis matter mean Measurer minor Miss Hobe Moore Moore Miss Hobe Moore N. N. nearly nebula nebular lines nebulosity nucleus object observed obtained oval photographic placed planetary planetary nebulae plate portion position present probably radial velocity recorded reference region relative Remarks respect ring rotation round Scott Sept short shown side slightly slit spectra spectrograms spectrum spiral star stellar stellar nucleus strong structure trace ultra-violet visible whorls Wilson