Orbital Period of Swift J2218.5+1925, A New Magnetic Cataclysmic Variable

Details Orbital Period of Swift J2218.5+1925, A New Magnetic Cataclysmic Variable Orbital Period of Swift J2218.5+1925, A New Magnetic Cataclysmic Variable

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2177....1t&link_type=abstract

The Astronomer's Telegram, #2177

Astronomy and Astrophysics

Astronomy

Optical, X-Ray, Binaries, Cataclysmic Variables, Variables, Stars

Scientific paper

The Swift XRT observed a highly variable X-ray source at (J2000.0) R.A. = 22h 18m 32.7s, decl.= +19d 25' 19" on 2009 August 2 and 4, for exposure times of 4885 and 4542 s, respectively. The average count rate was 0.14 s^-1 in the 0.3-10 keV band. Fits to an absorbed power law give photon index 1.05 +/- 0.10, NH < 9.e20 cm^-2, and average 0.3-10 keV flux of 9.5e-12 erg cm^-2 s^-1. This source can be identified with 1RXS J221832.8+192527 in the ROSAT All-Sky Survey Bright Source Catalogue.

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