2001A&A...370L...5C

Query : 2001A&A...370L...5C

2001A&A...370L...5C - Astronomy and Astrophysics, volume 370L5-8 (2001/4-4)

The radio surroundings of the microquasar GRO J1655-40.

COMBI J.A., ROMERO G.E., BENAGLIA P. and MIRABEL I.F.

Abstract (from CDS):

We report the results of a study of the radio surroundings of the superluminal microquasar GRO J1655-40. We have searched for extended continuum structures that might be indicative of the presence of a supernova remnant (SNR) associated with the formation of the compact object in the binary system. We also carried out HI-line observations of the region looking for a local minimum created by an explosive event. Our results indicate that there is, in fact, a bubble in the large-scale HI distribution around GRO J1655-40. We suggest that this structure might be created by the original supernova explosion occurred a few hundred thousand years ago and whose signatures can be traced by the overabundance of α-elements recently found by Israelian et al. (1999Natur.401..142I) in the companion star.

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Journal keyword(s): X-rays: stars - stars: evolution - ISM: bubbles - ISM: supernova remnants

Nomenclature: Table 1: [CRB2001b] SN (Nos S1-S7).

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 - 2026 		#notes
1 [CRB2001b] S1 Rad 16 53.0 -39 50           ~ 1 0
2 [CRB2001b] S2 Rad 16 53.5 -39 50           ~ 1 0
3 [CRB2001b] S3 Rad 16 53.9 -39 52           ~ 1 0
4 [CRB2001b] S6 Rad 16 54.0 -39 47           ~ 1 0
5 V* V1033 Sco HXB 16 54 00.1423963019 -39 50 44.761701340       16.14   F3-6IV 1980 0
6 [CRB2001b] S4 Rad 16 54.1 -39 52           ~ 1 0
7 [CRB2001b] S5 Rad 16 54.4 -39 52           ~ 1 0
8 PMN J1654-3949 Rad 16 54 38 -39 49.0           ~ 2 0

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