Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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Page 115
... luminosity , redshift , and spectral energy distributions within the quasar population are taken into account . The situation is compounded by unavoidable correlations between fundamental quantities such as redshift and luminosity in ...
... luminosity , redshift , and spectral energy distributions within the quasar population are taken into account . The situation is compounded by unavoidable correlations between fundamental quantities such as redshift and luminosity in ...
Page 127
... Luminosity Function The understanding of the evolution of the quasar X - ray luminosity function has been revolutionized by the completion of two surveys : the Extended Medium Sensitivity Survey ( EMSS ) , and very deep ROSAT ...
... Luminosity Function The understanding of the evolution of the quasar X - ray luminosity function has been revolutionized by the completion of two surveys : the Extended Medium Sensitivity Survey ( EMSS ) , and very deep ROSAT ...
Page 299
... luminosity to overlap with the stars . Note that the He - burning track is only available for the isochrone at 1.5 Gyr but the trend for isochrones younger than 1.5 Gyr is that the faint luminosity limit of the clump is not strongly age ...
... luminosity to overlap with the stars . Note that the He - burning track is only available for the isochrone at 1.5 Gyr but the trend for isochrones younger than 1.5 Gyr is that the faint luminosity limit of the clump is not strongly age ...
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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