Jets from the galactic supersoft X-ray source RX J0019.8+2156

Astronomy and Astrophysics – Astrophysics

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18

Binaries: Close, Stars: Mass Loss, Stars: Individual: Rx J0019.8+2156, X-Rays: Stars

Scientific paper

We present evidence from high resolution optical spectra for the presence of bipolar jets in the bright super soft X-ray source RX J0019.8+2156, the second such discovered case after RX J0513.9-6951. The jets seem to appear and disappear over a time scale of several months. No jet precession is observed. From the velocity separation of the emission lines produced by the jets a lower limit of ~ 79degr is posed to the orbital inclination. This gives support to the interpretation in terms of eclipses for the periodic features in the RX J0019.8+2156 lightcurve.

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