Luminosity evolution of quasars

Details Luminosity evolution of quasars Luminosity evolution of quasars

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983cha%26a...7...18g&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 7, Issue 1, p. 18-24.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Based on four previous studies with standard-candle quasars and using the correct formula for the luminosity distance, we obtain an improved determination of the deceleration parameter, q0 = +2.07. From the new catalog of quasars, we find the statistical m(z) - z relation and hence the mean quasar luminosity M(z) or M(t) and its rates of change d/M(z)/dz and d/M(t)/dt. Finally, we discuss the question whether there is a Malmquist effect in our sample and the question of the dichotomy of published q0-values.
Colleague LI Jie participated in computing and graphics.

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