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Astron. Astrophys. 332, L45-L48 (1998)


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Letter to the Editor

The radio counterparts of GX 354-0 and Terzan 1

J. Martí 1, I.F. Mirabel 1, 2, L.F. Rodríguez 3 and S. Chaty 1

1 DAPNIA/Service d'Astrophysique, CEA/Saclay, F-91191 Gif-sur-Yvette CEDEX, France
2 Instituto de Astronomía y Física del Espacio, cc 67, Suc 28, (1428) Buenos Aires, Argentina
3 Instituto de Astronomía, UNAM, Apdo. Postal 70-264, 04510 México D.F., Mexico

Received 20 February 1998 / Accepted 24 February 1998

Abstract

We report the discovery of weak radio counterparts for the hard X-ray sources GX 354-0 and Terzan 1. Based on the arcsec accurate radio position, an infrared counterpart with magnitude [FORMULA] is proposed for GX 354-0. For Terzan 1, its crowded field prevents us from a similar unambiguous identification, and at least four different stellar objects may be consistent with the radio counterpart.

Key words: X-rays: stars – Radio continuum: stars – stars: GX 354 – 0 – (Galaxy:) globular clusters: Terzan 1

Send offprint requests to: J. Martí

© European Southern Observatory (ESO) 1998

Online publication: March 30, 1998
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