ROSAT Observation of the Old Classical Nova CP Puppis

Details ROSAT Observation of the Old Classical Nova CP Puppis ROSAT Observation of the Old Classical Nova CP Puppis

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...449l..47b&link_type=abstract

Astrophysical Journal Letters v.449, p.L47

Astronomy and Astrophysics

Astronomy

11

Accretion, Accretion Disks, Stars: Binaries: Close, Stars: Novae, Cataclysmic Variables, Stars: Individual Constellation Name: Cp Puppis, X-Rays: Stars

Scientific paper

We present X-ray observation of the old nova CP Puppis obtained by the ROSAT Position Sensitive Proportional Counter in 1993 April. The source is detected with a count rate of 0.067 +/- 0.004 counts s-1. The total observed X-ray flux between 0.1 and 2.4 keV is ~3 x 10-12 ergs s-1 cm-2. The spectrum of the source is best fit by a thermal bremsstrahlung emission model with temperature >=1 keV. The X-ray count rates are modulated with the previously known spectroscopic period ~0.d0614 (~88.4 minutes) of the system at the 3 sigma confidence level. The hard X-ray flux and the detected X-ray modulations suggest that CP Puppis is an intermediate polar system.

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