A 150MG magnetic white dwarf in the cataclysmic variable RX J1554.2+2721

Details A 150MG magnetic white dwarf in the cataclysmic variable RX J1554.2+2721 A 150MG magnetic white dwarf in the cataclysmic variable RX J1554.2+2721

2004-08-17

arxiv.org/abs/astro-ph/0408301v1

Astrophys.J.613:L141-L144,2004

Astronomy and Astrophysics

Astrophysics

4 pages, accepted for ApJ Letters

Scientific paper

10.1086/425141

We report the detection of Zeeman-split Lalpha absorption pi and sigma+ lines in the far-ultraviolet Hubble Space Telescope/Space Telescope Imaging Spectrograph spectrum of the magnetic cataclysmic variable RX J1554.2+2721. Fitting the STIS data with magnetic white dwarf model spectra, we derive a field strength of B~144MG and an effective temperature of 17000K

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