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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absorption abundance accretion analysis asteroids astrometry Astronomical Society binary bright calibration catalog central star chromospheric clouds color comets correction derived detection detector diagram disk distribution eclipse emission errors estimate evolution expansion velocities Fe/H field flux frame function galactic galaxies GCLF giant branch globular clusters H II regions Hyades indices infrared ionized km s¹ light curve lines luminosity magnitude main sequence main-sequence mass measured MNRAS objects observations Observatory obtained open clusters optical orbital parameters PASP period phase photometric pixels planetary nebulae plotted quasars radial velocities radius range ratio red giants reddening redshift region residuals rotation sample scale scatter secondary solar sources spectral type spectroscopic spectrum standard stellar subgiant survey Table telescope temperature tion turnoff values variability wavelength white dwarf width X-ray XX Vir