Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...254...96k&link_type=abstract
Astronomy and Astrophysics, Vol.254, NO. FEB(I), P. 96, 1992
Astronomy and Astrophysics
Astrophysics
34
Extragalactic Radio Sources - Jets: Jets, Wiggles
Scientific paper
Jets in extragalactic radio sources often show small, semi-periodic deviations from a straight line, like wiggles, knots etc. Here we investigate the possibility that at least a part of these features is caused by a modulation due to orbital motion in a binary black hole. The periodically changing orbital velocity direction of the black hole producing the jet leads to a modulation of the jet velocity as seen by a distant observer. Application of the model to 3C 273 and M 87 leads to acceptable estimates of the orbital radius, velocity and period and of the minimum mass present in both black holes.
Kaastra Jelle S.
Roos Nico
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