SIMBAD references

2011ATel.3330....1N - The Astronomer's Telegram, 3330, 1 (2011/May-0)

MAXI/GSC detection of a new X-ray transient MAXI J1543-564

NEGORO H., NAKAHIRA S., UEDA Y., MIHARA T., SUGIZAKI M., SERINO M., YAMAMOTO T., SOOTOME T., MATSUOKA M., UENO S., TOMIDA H., KOHAMA M., ISHIKAWA M., KAWAI N., MORII M., SUGIMORI K., USUI R., TOIZUMI T., YOSHIDA A., YAMAOKA K., TSUNEMI H., KIMURA M., KITAYAMA H., NAKAJIMA M., SUWA F., ASADA M., SAKAKIBARA H., HIROI K., SHIDATSU M., TSUBOI Y., MATSUMURA T. and YAMAZAKI K.

Abstract (from CDS):

At 2011-05-08 04:21 UT (MJD=55689.18125), the MAXI/GSC alert system triggered a new X-ray transient at the position:

(R.A., Dec) = (+235.788 deg, -56.421 deg) = (15 43 09.1, -56 25 16) (J2000)

with a systematic uncertainty of 0.2 deg.

The 2-20 keV X-ray flux from the source has increased since 2011-05-07,

reaching 21±5 mCrab on average at scan transits from 2011-05-07 13:07

to 2011-05-08 04:21. The source is too faint for the MAXI/GSC to detect any significant variability.

Its energy spectrum, however, tends to become softer after the detection.

There is no known X-ray source within the error circle, and no bright sources

are found on archival ROSAT all-sky survey images. We tentatively refer this transient as MAXI J1543-564. Follow-up observations are strongly encouraged.

MAXI Home Page: http://maxi.riken.jp


Abstract Copyright: ∼

Journal keyword(s): Black Hole - Neutron Star - Star - Transient - Pulsar

Simbad objects: 1

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