A new interpretation of the low radial velocity determined from the HeII emission line in the Galactic supersoft X-ray source RX J0019.8+2156

Details A new interpretation of the low radial velocity determined from the HeII emission line in the Galactic supersoft X-ray source RX J0019.8+2156 A new interpretation of the low radial velocity determined from the HeII emission line in the Galactic supersoft X-ray source RX J0019.8+2156

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004rmxac..20..233h&link_type=abstract

Compact Binaries in the Galaxy and Beyond, Proceedings of the conference held 17-22 November, 2003 in La Paz, Baja California Su

Astronomy and Astrophysics

Astronomy

Binaries: Close, Stars: Individual (Rx J0019..8+2156), Stars: Winds, Outflows, X-Rays: Stars

Scientific paper

We propose a new interpretation for the low radial velocity of He II emission line in the Galactic supersoft X-ray source RX J0019.8+2156 based on a 2-D numerical simulation of dynamical mass transfer in binary systems. A more massive main-sequence (MS) companion of
˜ 2.0 Msun is derived for a ˜ 0.6 Msun white dwarf (WD) primary.

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