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 1-5 sur 45
Page 18
... magn . star is close to whorl on north , but probably not physically connected . Planetary . 1 s.n. Described as eF , eL , Dif . faint or non - existent . A rather faint , slightly oval spiral about 15 in diameter , with a fairly bright ...
... magn . star is close to whorl on north , but probably not physically connected . Planetary . 1 s.n. Described as eF , eL , Dif . faint or non - existent . A rather faint , slightly oval spiral about 15 in diameter , with a fairly bright ...
Page 19
... star . They show considerable structural detail . The brightest part is a ... magn .; almost stellar . Round ; 0.5 in diameter . Center very bright , with ... star . There are two nebulae at this point , about 1 ' apart . The preceding ...
... star . They show considerable structural detail . The brightest part is a ... magn .; almost stellar . Round ; 0.5 in diameter . Center very bright , with ... star . There are two nebulae at this point , about 1 ' apart . The preceding ...
Page 21
... magn . star . An exposure of 1h 50m shows no trace of any nebulosity . 5 s.n. A faint and very irregular patch of nebulosity 2 : 5 long , showing a number of faint , almost stellar condensations . Not of the " diffuse " type , but , if ...
... magn . star . An exposure of 1h 50m shows no trace of any nebulosity . 5 s.n. A faint and very irregular patch of nebulosity 2 : 5 long , showing a number of faint , almost stellar condensations . Not of the " diffuse " type , but , if ...
Page 22
... magn . star 12 ' n.f. 0 s.n. Small , nearly round , irregular spiral , 0.7 in diameter . Oval ; 15 long ; rather large , brighter nucleus ; no discernible spiral structure . 31 s.n. Small ; round , almost stellar . Narrow oval 0 : 5 ...
... magn . star 12 ' n.f. 0 s.n. Small , nearly round , irregular spiral , 0.7 in diameter . Oval ; 15 long ; rather large , brighter nucleus ; no discernible spiral structure . 31 s.n. Small ; round , almost stellar . Narrow oval 0 : 5 ...
Page 23
... star of magn . 8.6 ; 4 ′ long . Moderately bright diffuse nebulosity of the Pleiades type , filling an area about 6 ' x 3 ' at the southeast of a star of magn . 8.4 . Planetary . 0 s.n. This is one of the most wonderful regions of the ...
... star of magn . 8.6 ; 4 ′ long . Moderately bright diffuse nebulosity of the Pleiades type , filling an area about 6 ' x 3 ' at the southeast of a star of magn . 8.4 . Planetary . 0 s.n. This is one of the most wonderful regions of the ...
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