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astro-ph2000
On the nature of the microquasar V4641 Sagittarii
S. Chaty, I. F. Mirabel, J. Marti +1
We present photometric and spectroscopic optical and near-infrared (NIR) observations taken during the outburst on September 1999 of the source V4641 Sgr = SAX J1819.3-2525 (in'tza…
astro-ph2000
VLT observations of GRS 1915+105
J. Marti, I. F. Mirabel, S. Chaty +1
We present near infrared spectroscopy of the superluminal microquasar \grs\ obtained with the first unit of the VLT (Based on observations collected at the European Southern Observ…