Indirect imaging of the accretion stream in eclipsing polars IV: V895 Cen

Details Indirect imaging of the accretion stream in eclipsing polars IV: V895 Cen Indirect imaging of the accretion stream in eclipsing polars IV: V895 Cen

2001-12-06

arxiv.org/abs/astro-ph/0112146v1

Mon.Not.Roy.Astron.Soc. 331 (2002) 488

Astronomy and Astrophysics

Astrophysics

8 pages, 7 figures, accepted for publication in MNRAS

Scientific paper

10.1046/j.1365-8711.2002.05216.x

We present spectroscopic and high speed photometric data of the eclipsing polar V895 Cen. We find that the eclipsed component is consistent with it being the accretion regions on the white dwarf. This is in contrast to Stobie et al who concluded that the eclipsed component was not the white dwarf. Further, we find no evidence for an accretion disc in our data. From our Doppler tomography results, we find that the white dwarf has M geq 0.7 Msun. Our indirect imaging of the accretion stream suggests that the stream is brightest close to the white dwarf. When we observed V895 Cen in its highest accretion state, emission is concentrated along field lines leading to the upper pole. There is no evidence for enhanced emission at the magnetic coupling region.

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