Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...333l..67t&link_type=abstract
Astronomy and Astrophysics, v.333, p.L67-L69 (1998)
Astronomy and Astrophysics
Astrophysics
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.
Kolev D.
Munari Ulisse
Rejkuba Marina
Tomasella Lina
Tomov Toma
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