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Astron. Astrophys. 340, L47-L50 (1998)

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Letter to the Editor

The surroundings of the superluminal source GRS 1915+105

L.F. Rodríguez 1 and I.F. Mirabel 2, 3

1 Instituto de Astronomía, UNAM, J.J. Tablada 1006, Morelia, Michoacán, 58090 México (e-mail: luisfr@astrosmo.unam.mx)
2 CEA/DSM/DAPNIA/Service D'Astrophysique, Centre d'Etudes de Saclay, F-91191 Gif-sur-Yvette, France
(e-mail: mirabel@discovery.saclay.cea.fr)
3 Instituto de Astronomía y Física del Espacio, C.C. 67, Suc. 28. 1428, Buenos Aires, Argentina

Received 25 September 1998 / Accepted 22 October 1998


We have carried out radio studies of the surroundings of the superluminal microquasar GRS 1915+105. Our main goal was to understand the possible relation of GRS 1915+105 with two infrared/radio sources that appear symmetrically located with respect to GRS 1915+105 and aligned with the position angle of the relativistic ejecta. We have also studied a nearby supernova remnant to test if the event that created the remnant could have been the progenitor of this hard X-ray binary.

Key words: ISM: HII regions – ISM: individual objects: IRAS 19124+1106, IRAS 19132+1035, SNR 45.7-0.4 – ISM: supernova remnants – X-rays:stars

Send offprint requests to: L.F. Rodríguez

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© European Southern Observatory (ESO) 1998

Online publication: November 9, 1998