Optical results of the black hole microquasar SS 433

Details Optical results of the black hole microquasar SS 433 Optical results of the black hole microquasar SS 433

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010scchg..53s.153l&link_type=abstract

Science China Physics, Mechanics and Astronomy, Volume 53, Issue 1, pp.153-156

Astronomy and Astrophysics

Astronomy

3

High-Mass X-Ray Binary, Black Hole, Spectroscopy, Outflow Wind, Relativistic Jet

Scientific paper

We present optical spectroscopic observations of SS 433 during different precessional and orbital phases. Our 2004, 2007 and 2008 data provide us a good chance to study the variability of the Hα line at different orbital phases for nearly the same disk inclination. The data show that the Hα of SS 433 usually had a symmetric profile between orbital phases 0.25-0.75, while an asymmetric structure with a strong red peak was observed for other orbital phases. We suggest that the orbital variability of Hα emission is connected with accretion flow from the donor star to the accretion disk. In addition, we attribute the dramatic increase of Hα emission during our 2007 observational run, which had a time scale of one day, to the emergence of strong jets.

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