XMMSL1 J011527.3-312354 : A bright X-ray flare in the XMM-Newton Slew Survey from the likely broad line quasar 6dFGS gJ011527.4-312352

Astronomy and Astrophysics – Astronomy

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X-Ray, Quasar

Scientific paper

We report the discovery of XMMSL1 J011527.3-312354, a bright X-ray flare, seen in an XMM-Newton Slew from 3rd July 2011. The source position (2000.0) is RA:01 15 27.3 DEC:-31 23 54 with an 8'', 1 sigma error circle.
The source is bright and point-like. The 0.2-2 keV count rate was 4.8 ct/s in the EPIC-pn detector (medium filter). This corresponds to a factor > 37 increase in flux over the ROSAT All-Sky Survey (RASS) upper limit at this position (assuming a fixed Galactic absorption out of our galaxy at this position of 2.26E20 cm-2 and a power law of photon index 1.7).

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