期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 799, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2041-8205/799/2/L28
关键词
galaxies: individual(M82); X-rays: binaries
资金
- National Science Foundation of China [NSFC-11273028, NSFC-11333004, NSFC-11303015]
The ultra-luminous X-ray source M82 X-1 is one of the most promising intermediate mass black hole candidates in the local universe based on its high X-ray luminosities (10(40)-10(41) erg s(-1)) and quasi-periodic oscillations, and is possibly associated with a radio flare source. In this work, applying the sub-pixel technique to the 120 ks Chandra observation (ID: 10543) of M82 X-1, we split M82 X-1 into two sources separated by 1 ''.1. The secondary source is not detected in other M82 observations. The radio flare source is not found to associate with M82 X-1, but is instead associated with the nearby transient source S1 with an outburst luminosity of similar to 10(39) erg s(-1). With X-ray outburst and radio flare activities analogous to the recently discovered micro-quasar in M31, S1 is likely to be a micro-quasar hidden in the shadow of M82 X-1.
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