Very close pairs of quasi-stellar objects

Burbidge, G. (California Univ., San Diego, La Jolla, CA (United States). Center for Astrophysics and Space Sciences; California Univ., San Diego, La Jolla, CA (United States). Dept. of Physics); Hoyle, F.; Max-Planck-Institut fuer Astrophysik, Garching (Germany); Schneider, P. (Max-Planck-Institut fuer Astrophysik, Garching (Germany))

Very close pairs of quasi-stellar objects

Authors: G. (California Univ., San Diego, La Jolla, CA (United States). Center for Astrophysics and Space Sciences Burbidge
San Diego, La Jolla, CA (United States). Dept. of Physics) California Univ.
F. Hoyle
Garching (Germany) Max-Planck-Institut fuer Astrophysik
P. (Max-Planck-Institut fuer Astrophysik, Garching (Germany)) Schneider
Publication date: 1 January 1996
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Abstract

It is pointed out that there are now known four very close pairs of QSOs with separations > 5 arcsec and very different redshifts. Several estimates of the probability that they are accidental configurations range between 10"-"7 and 3.5 x 10"-"3. We conclude either than this is further evidence that QSOs have significant non-cosmological redshift components, or that the pairs must be explained by gravitational lensing. (orig.)Available from TIB Hannover: RR 4697(916) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

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