Query : 2012A&A...537L...7F

2012A&A...537L...7F - Astronomy and Astrophysics, volume 537, L7-7 (2012/1-1)

The first outburst of the black-hole candidate MAXI J1836-194 observed by INTEGRAL, Swift, and RXTE.


Abstract (from CDS):

MAXI J1836-194 is a transient black-hole candidate discovered in outburst on 30 August 2011. We report on the available INTEGRAL, Swift, and RXTE observations performed in the direction of the source during this event before 55864MJD. Combining the broad band (0.6-200keV) spectral and timing information obtained from these data with the results of radio observations, we show that the event displayed by MAXI J1836-194 is another example of ``failed'' outburst. During the first ∼20 days after the onset of the event, the source underwent a transition from the canonical low/hard to the hard intermediate state, while reaching the highest X-ray flux. In the ∼40days following the peak of the outburst, the source displayed a progressive spectral hardening and a decrease in the X-ray flux, thus it entered again the low/hard state and began its return to quiescence.

Abstract Copyright:

Journal keyword(s): methods: observational - X-rays: binaries - X-rays: individual: MAXI J1836-194

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
ICRS (J2000)
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
1 SAX J1711.6-3808 XB* 17 11 37.1 -38 07 06           ~ 43 0
2 NAME XTE J17464-3213 LXB 17 46 15.59637 -32 14 00.8600           ~ 717 0
3 MAXI J1836-194 XB* 18 35 43.440 -19 19 10.48           ~ 138 0
4 NAME Galactic Bulge reg ~ ~           ~ 4174 0
5 NAME Galactic Ridge ? ~ ~           ~ 485 1

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