MASTER OT 054547.15+091200.3 discovery at X-ray 2XMM J054547.2+091159 source position

ATel #3124; V. Lipunov, E. Gorbovskoy, V. Kornilov, P, Balanutsa, A. Belinski, N. Shatskiy, N. Tyurina, D. Kuvshinov, V. Chazov, A. Kuznetsov, D. Zimnukhov, M. Kornilov (SAI, Moscow), A. Tlatov, A. V. Parhomenko, D. Dormidontov (Kislovodsk solar station of the Pulkovo observatory RAS), V. Yurkov, Yu. Sergienko, D. Varda (Blagoveshchensk Educational University), V. Krushinski, I. Zalozhnih, T. Kopytova, A. Popov (Ural State University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, V. Lenok, O. Chuvalaev, V. Poleschuk, O. Gres,(Irkutsk State University) , V. Shumkov, S. Shurpakov
on 27 Jan 2011; 14:55 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

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The MASTER auto-detection system at Kislovodsk (Caucasus) detected a new optical transient source at the position (R.A., Dec) 05h 45m 47.15s , +09d 12m 00s.3 (J2000) with a typical uncertainty of 0.5" at 2011-01-26 19:57:21.857 (UT). The OT was seen on two images separated 50 minutes. There is now minor planet and any object brighter 21 mag in DSS at this place. We have two images this field without OT at November 2010.

The OT unfiltered magnitude 18.4+-0.1.

The OT is coincident with X-ray object 2XMM J054547.2+091159 from XMM-Newton serendipitous survey (Watson et al.2009, A&A 493, 339–373).

The X-ray and optical spectral observations are needed.

The discovery image is available at http://observ.pereplet.ru/images/OT054547.15+091200.3/OT.html