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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Résultats 6-10 sur 45
Page 24
... star of magn . 8.5 ; it lies in a large vacant area . A similar object , of the same type and size , not given in the N.G.C. , is at 6h 25m7 , + 10 ° 31 ' . Bright , fan - shaped mass extending to n . from a nucleus of magn . 11 ; about ...
... star of magn . 8.5 ; it lies in a large vacant area . A similar object , of the same type and size , not given in the N.G.C. , is at 6h 25m7 , + 10 ° 31 ' . Bright , fan - shaped mass extending to n . from a nucleus of magn . 11 ; about ...
Page 27
... star of magn . 11 near the nucleus . See Abs . Eff . 35 s.n. Planetary . The " Owl " nebula , Vol . VIII , Plate 27. 107 s.n. A small oval , 0 : 3 long , with much brighter center ; no spiral structure dis- cernible . Slightly oval ; 13 ...
... star of magn . 11 near the nucleus . See Abs . Eff . 35 s.n. Planetary . The " Owl " nebula , Vol . VIII , Plate 27. 107 s.n. A small oval , 0 : 3 long , with much brighter center ; no spiral structure dis- cernible . Slightly oval ; 13 ...
Page 28
... star of magn . 12. See Abs . Eff . 20 s.n. A compact , rather faint , somewhat patchy oval 1'5 long ; no nucleus apparent . There is evidence of an absorption lane on the east . It is not binuclear as described in the N. G. C. 42 s.n. A ...
... star of magn . 12. See Abs . Eff . 20 s.n. A compact , rather faint , somewhat patchy oval 1'5 long ; no nucleus apparent . There is evidence of an absorption lane on the east . It is not binuclear as described in the N. G. C. 42 s.n. A ...
Page 29
... star of magn . 14 in this position . See Abs . Eff . 10 s.n. This is a faint , almost linear strip of nebulosity 1 ' x 0.1 in p.a. 110 ° ; doubtless the central portion of an edgewise spiral . A rather faint spindle 12 long in p.a. 47 ...
... star of magn . 14 in this position . See Abs . Eff . 10 s.n. This is a faint , almost linear strip of nebulosity 1 ' x 0.1 in p.a. 110 ° ; doubtless the central portion of an edgewise spiral . A rather faint spindle 12 long in p.a. 47 ...
Page 31
... star of magn , 15 near the nucleus . See Abs . Eff . 2 ' x 0.5 in p.a. 18 ° ; moderately bright center ; no spiral structure discernible . A fairly bright spiral 3 ' x 1 ' in p.a. 80 ° ; bright , rather large nucleus ; a very clearly ...
... star of magn , 15 near the nucleus . See Abs . Eff . 2 ' x 0.5 in p.a. 18 ° ; moderately bright center ; no spiral structure discernible . A fairly bright spiral 3 ' x 1 ' in p.a. 80 ° ; bright , rather large nucleus ; a very clearly ...
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