Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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Page 116
2.3 Quasar Spectral Energy Distributions Quasar SEDs plotted as vF ( v ) versus v , show the frequencies at which the ... quasars from the Palomar - Green survey to show that , in addition to the presence of the Big Blue Bump , a second ...
2.3 Quasar Spectral Energy Distributions Quasar SEDs plotted as vF ( v ) versus v , show the frequencies at which the ... quasars from the Palomar - Green survey to show that , in addition to the presence of the Big Blue Bump , a second ...
Page 120
... quasars , brighter than some faint bolometric luminosity , for all redshifts , and such a sample would indeed be ... quasars have an intrinsic spread in the line - of - sight extinction of only AE ( B - V ) = 1 mag , the observed ...
... quasars , brighter than some faint bolometric luminosity , for all redshifts , and such a sample would indeed be ... quasars have an intrinsic spread in the line - of - sight extinction of only AE ( B - V ) = 1 mag , the observed ...
Page 124
... quasars . A number of weak - lined objects in the LBQS of magnitude m ~ 18 required integrations of ~ 2000 s with a 4.5 ... quasars through their variability is well advanced . The results ( Hawkins and Véron 1993 ) confirm that surface ...
... quasars . A number of weak - lined objects in the LBQS of magnitude m ~ 18 required integrations of ~ 2000 s with a 4.5 ... quasars through their variability is well advanced . The results ( Hawkins and Véron 1993 ) confirm that surface ...
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abundance additional analysis appear associations assumed Astronomical average binary blue bright calibration catalog central clouds cluster color compared correction derived detection determined discussed distance distribution dwarf eclipse effects emission errors estimate et al evidence evolution field Figure flux frame function galaxies giants given groups included increase indices less light limit lines luminosity magnitude mass mean measured MNRAS nebulae noted objects observations obtained optical orbital PASP period phase photometric pixels position possible present probably quasars range ratio reduced reference region relation relative rotation sample scale scatter secondary shown similar sources spectral spectrum standard stars stellar stellar winds suggests surface survey Table telescope temperature tion University values variability velocity wavelength X-ray