SIMBAD references

1999MNRAS.308L..23S - Mon. Not. R. Astron. Soc., 308, L23-L27 (1999/September-3)

X-ray-luminous radio supernovae in the centre of M 82 ?

STEVENS I.R., STRICKLAND D.K. and WILLS K.A.

Abstract (from CDS):

We investigate the X-ray emission from the central regions of the prototypical starburst galaxy M82. Previous observations have shown a bright central X-ray point source, with suggestions as to its nature including a low-luminosity active galactic nucleus or an X-ray binary. A new analysis of ROSAT HRI observations finds four X-ray point sources in the central kiloparsec of M82, and we identify radio counterparts for the two brightest X-ray sources. The counterparts are probably young radio supernovae (SNe) and are amongst the most luminous and youthful SNe in M82. We therefore suggest that we are seeing X-ray emission from young SNe in M82, and in particular that the brightest X-ray source is associated with the radio source 41.95+57.5. We discuss the implications of these observations for the evolution of X-ray-luminous SNe.

Abstract Copyright: 1999 Blackwell Science Ltd

Journal keyword(s): supernova remnants - galaxies: individual: M82 - galaxies: starburst - galaxies: stellar content - X-rays: galaxies

Nomenclature: Table 2: [SSW99] XN (Nos X1-X4).

CDS comments: Table 2: radio counterpart = [MPW94]

Simbad objects: 16

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