2001A&A...365L.294R


Query : 2001A&A...365L.294R

2001A&A...365L.294R - Astronomy and Astrophysics, volume 365, L294-297 (2001/1-1)

First XMM-Newton observations of a cataclysmic variable II: The X-ray spectrum of OY Car.

RAMSAY G., CORDOVA F., COTTAM J., MASON K., MUCH R., OSBORNE J., PANDEL D., POOLE T. and WHEATLEY P.

Abstract (from CDS):

We present XMM-Newton X-ray spectra of the disc accreting cataclysmic variable OY Car, which were obtained during the performance verification phase of the mission. These data were taken 4 days after a short outburst. In the EPIC spectra we find strong iron Kα emission with weaker iron Kβ emission together with silicon and sulphur lines. The spectra are best fitted with a three temperature plasma model with a partial covering absorber. Multiple temperature emission is confirmed by the emission lines seen in the RGS spectrum and the H/He like intensity ratio for iron and sulphur which imply temperatures of ∼7keV and ∼3keV respectively.

Abstract Copyright:

Journal keyword(s): accretion, accretion discs - binaries: eclipsing - stars: individual: OY Car - novae, cataclysmic variables - X-rays: stars

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 V* OY Car CV* 10 06 22.0793274312 -70 14 04.584660540           ~ 569 0
2 V* EX Hya CV* 12 52 24.2222471899 -29 14 55.999766523   13.51 13.49 13.55   M5-6V 694 0
3 V* SS Cyg CV* 21 42 42.8034497592 +43 35 09.867842484 11.07 12.651 12.032 9.326   K5V 1290 1

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