Observations of the X-ray Burster MX 0836-42 by the INTEGRAL and RXTE Orbiting Observatories

2) ((1) Space Research Institute; (2) Max-Planck-Institut fur Astrophysik; A. A. Lutovinov (1); Garching; Germany); I. V. Chelovekov (1); Moscow; R. A. Sunyaev (1; Russia; S. A. Grebenev (1)

arxiv: astro-ph/0510667 · v1 · submitted 2005-10-22 · 🌌 astro-ph

Observations of the X-ray Burster MX 0836-42 by the INTEGRAL and RXTE Orbiting Observatories

I. V. Chelovekov (1) , A. A. Lutovinov (1) , S. A. Grebenev (1) , R. A. Sunyaev (1 , 2) ((1) Space Research Institute , Moscow , Russia , (2) Max-Planck-Institut fur Astrophysik

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Garching Germany)

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classification 🌌 astro-ph

keywords x-rayburstsourcebursterdetectedfluxintegralmaximum

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We present the results of our study of the emission from the transient burster MX 0836-42 using its observations by the INTEGRAL and RXTE X-ray and gamma-ray observatories in the period 2003-2004. The source's broadband X-ray spectrum in the energy range 3-120 keV has been obtained and investigated for the first time. We have detected 39 X-ray bursts from this source. Their analysis shows that the maximum 3-20 keV flux varies significantly from burst to burst, F ~ (0.5-1.5)x10^{-8} erg cm^{-2} s^{-1}. Using the flux at the maximum of the brightest detected burst, we determined an upper limit for the distance to the source, D ~ 8 kpc.

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Observations of the X-ray Burster MX 0836-42 by the INTEGRAL and RXTE Orbiting Observatories

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