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 35
... visible . Slightly elongated ; almost stellar ; no structure visible . Very faint spindle 0.7 long . There is no object in the N. G. C. place for 5841 . This nebula fits the descriptions F , S , E , though perhaps too faint to be seen ...
... visible . Slightly elongated ; almost stellar ; no structure visible . Very faint spindle 0.7 long . There is no object in the N. G. C. place for 5841 . This nebula fits the descriptions F , S , E , though perhaps too faint to be seen ...
Page 48
... visible in reproduction ; longer one below . Narrow lane just below nucleus . 4258 ( 64 ) Narrow lane just below nucleus . 4567-8 ( 69 ) See below . 5394-5 ( 73 ) The smaller , two - branched spiral at the right shows a narrow lane just ...
... visible in reproduction ; longer one below . Narrow lane just below nucleus . 4258 ( 64 ) Narrow lane just below nucleus . 4567-8 ( 69 ) See below . 5394-5 ( 73 ) The smaller , two - branched spiral at the right shows a narrow lane just ...
Page 50
... visible star clouds . ” 3. Professor Barnard has photographed and described many small starless spots which he believes to be " dark nebulae , " visible through their projection upon a background of stars . Several of these have been ...
... visible star clouds . ” 3. Professor Barnard has photographed and described many small starless spots which he believes to be " dark nebulae , " visible through their projection upon a background of stars . Several of these have been ...
Page 52
... visible on one side of the major axis and evanescent on the other , and other manifestations of asymmetry parallel to the major axis of such elliptical spirals . There appears to be no valid reason for separating the edgewise spirals ...
... visible on one side of the major axis and evanescent on the other , and other manifestations of asymmetry parallel to the major axis of such elliptical spirals . There appears to be no valid reason for separating the edgewise spirals ...
Page 23
... visible on the original negatives are generally completely masked by the effects of the grain of the plate , and suffer the further obliteration unfortunately inherent in all copying and photo - engraving processes . In many of the ...
... visible on the original negatives are generally completely masked by the effects of the grain of the plate , and suffer the further obliteration unfortunately inherent in all copying and photo - engraving processes . In many of the ...
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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