Cosmological implications of BL Lac objects

Details Cosmological implications of BL Lac objects Cosmological implications of BL Lac objects

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.179..321x&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 179, no. 2, May 1991, p. 321-329. Research supported by NNSFC and Science

Astronomy and Astrophysics

Astrophysics

6

Astronomical Models, Bl Lacertae Objects, Quasars, Red Shift, Relativistic Theory, Doppler Effect, Elliptical Galaxies, Hubble Constant

Scientific paper

The present study examines the BL Lac phenomenon, with emphasis on studies based on the relativistic beaming model of BL Lac objects. The orientation of the jet axis to the line of sight is found to be very small, and it is concluded that the observed flux emitted from a rapidly moving source is orders of magnitude higher than the flux in its rest frame. It is inferred that the apparent magnitude must be corrected for this effect; for the 39 samples under consideration, the corrected apparent magnitude and logZ have a good correlation.

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