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
Page 73
... spectrum of planetary type . As a further check on this point I have examined seventy - nine small nebulae with the ... continuous spectrum , as shown in the following table : SMALL NEBULAE WITH CONTINUOUS SPECTRUM 5 6375 6963 11 6384 ...
... spectrum of planetary type . As a further check on this point I have examined seventy - nine small nebulae with the ... continuous spectrum , as shown in the following table : SMALL NEBULAE WITH CONTINUOUS SPECTRUM 5 6375 6963 11 6384 ...
Page 74
... CONTINUOUS SPECTRUM 5 6375 6963 11 6384 6972 42 6462 6974 252 6481 7013 372 6509 7025 373 6535 7042 449 6587 7043 607 6610 7053 608 6627 7056 614 6660 7101 616 6661 7114 732 6671 7138 828 6674 7224 841 6703 7228 890 6732 7263 940 6748 ...
... CONTINUOUS SPECTRUM 5 6375 6963 11 6384 6972 42 6462 6974 252 6481 7013 372 6509 7025 373 6535 7042 449 6587 7043 607 6610 7053 608 6627 7056 614 6660 7101 616 6661 7114 732 6671 7138 828 6674 7224 841 6703 7228 890 6732 7263 940 6748 ...
Page 85
... spectra contain the characteristic nebular bright bands in addition to the usual continuous " spectrum of spirals . 66 No doubt the future will extend the list appreciably , especially by the addition of objects in the southern sky ...
... spectra contain the characteristic nebular bright bands in addition to the usual continuous " spectrum of spirals . 66 No doubt the future will extend the list appreciably , especially by the addition of objects in the southern sky ...
Page 112
... continuous spectrum of the nucleus is recorded on several of the spectrograms . Measures of radial velocities in broad lines of this type are evidently subject to some uncer- tainty . One is at a loss , amid such complexity of form , as ...
... continuous spectrum of the nucleus is recorded on several of the spectrograms . Measures of radial velocities in broad lines of this type are evidently subject to some uncer- tainty . One is at a loss , amid such complexity of form , as ...
Page 122
... spectrum was accordingly observed visually in the expectation that we should find the well known green nebular bright lines to be present . The visible spectrum of the nucleus is a band of continuous light , upon which the two green ...
... spectrum was accordingly observed visually in the expectation that we should find the well known green nebular bright lines to be present . The visible spectrum of the nucleus is a band of continuous light , upon which the two green ...
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