2011MNRAS.415L..59J


Query : 2011MNRAS.415L..59J

2011MNRAS.415L..59J - Mon. Not. R. Astron. Soc., 415, L59-L63 (2011/July-3)

The unusual radio transient in M82: an SS 433 analogue?

JOSEPH T.D., MACCARONE T.J. and FENDER R.P.

Abstract (from CDS):

In this Letter we discuss the recently discovered radio transient in the nuclear region of M82. It has been suggested that this source is an X-ray binary, which, given the radio flux density, would require an X-ray luminosity, LX∼ 6 {x} 1042 erg/s if it were a stellar mass black hole that followed established empirical relations for X-ray binaries. The source is not detected in the analysis of the X-ray archival data. Using a 99 per cent confidence level upper limit we find that LX ≤ 1.8 {x} 1037 and 1.5 {x} 1037 erg/s, using power law and disc blackbody models, respectively. The source is thus unlikely to be a traditional microquasar, but could be a system similar to SS 433, a Galactic microquasar with a high ratio of radio to X-ray luminosity.

Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): galaxies: individual: M 82 - X-rays: galaxies

CDS comments: Object in the title is EQ J095552.5+694045.4

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 SN 2008iz SN* 09 55 51.55 +69 40 45.8           SNII: 58 1
2 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 5858 6
3 EQ J095552.5+694045.4 Rad 09 55 52.5083 +69 40 45.420           ~ 12 1
4 SS 433 HXB 19 11 49.5647697480 +04 58 57.827127648   16.854 14.643     A3/7I 2123 4
5 SNR G039.7-02.0 SNR 19 12 20 +04 55.0           ~ 353 1
6 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 1938 2
7 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1106 2
8 [BL97] N7793-S26 SNR 23 58 00.27 -32 33 22.1           ~ 57 0

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