Detection of periodic X-ray modulation of SFXT IGR J16207-5129 in the Swift-BAT light curve

Details Detection of periodic X-ray modulation of SFXT IGR J16207-5129 in the Swift-BAT light curve Detection of periodic X-ray modulation of SFXT IGR J16207-5129 in the Swift-BAT light curve

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3785....1j&link_type=abstract

The Astronomer's Telegram, #3785

Astronomy and Astrophysics

Astronomy

X-Ray

Scientific paper

We report detection of a periodic intensity modulation in the Supergiant Fast X-ray Transient (SFXT) IGR J16207-5129 in the long term 15-50 keV light curve obtained with the Swift Burst Alert Telescope (BAT) between MJD 53413 and 55888. Using the Lomb-Scargle periodogram technique, we have found a period of 9.726 d. This can be the orbital period of the X-ray binary. The light curve, folded with this period shows a complex shape with a large modulation factor.

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