T Pyxidis: The First Cataclysmic Variable with a Collimated Jet

Details T Pyxidis: The First Cataclysmic Variable with a Collimated Jet T Pyxidis: The First Cataclysmic Variable with a Collimated Jet

1997-04-30

arxiv.org/abs/astro-ph/9704292v1

Astronomy and Astrophysics

Astrophysics

10 pages 2 figures to appear in ApJ Letters

Scientific paper

10.1086/310765

We present the first observational evidence for a collimated jet in a cataclysmic variable system; the recurrent nova T Pyxidis. Optical spectra show bipolar components of H$\alpha$ with velocities $\sim 1400 km/s$, very similar to those observed in the supersoft X-ray sources and in SS 433. We argue that a key ingredient of the formation of jets in the supersoft X-ray sources and T Pyx (in addition to an accretion disk threaded by a vertical magnetic field), is the presence of nuclear burning on the surface of the white dwarf.

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