Discovery of the Pulse Period of IGR J16493-4348 from RXTE PCA Observations

Details Discovery of the Pulse Period of IGR J16493-4348 from RXTE PCA Observations Discovery of the Pulse Period of IGR J16493-4348 from RXTE PCA Observations

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2766....1c&link_type=abstract

The Astronomer's Telegram, #2766

Astronomy and Astrophysics

Astronomy

1

X-Ray, Binaries, Neutron Stars, Pulsars, Stars

Scientific paper

The supergiant high-mass X-ray binary IGR J16493-4348 has recently been found to have an orbital period of 6.8 days (Corbet et al. 2010, ATel #2599; Cusumano et al. 2010, MNRAS, 406, L16). In order to search for pulsations from this source we performed RXTE PCA observations on 2010-07-09 from 19:59 to 22:29 with a total exposure time of approximately 8ks. The observations were centered on an orbital phase of 0.85 ± 0.05, where phase 0 corresponds to the time of expected maximum flux (Corbet et al.

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