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Multiple Sources toward the High-mass Young Star S140 IRS1
M. A. Trinidad, J. M. Torrelles, L. F. Rodriguez +1
S140 IRS1 is a remarkable source where the radio source at the center of the main bipolar molecular outflow in the region is elongated perpendicular to the axis of the outflow, an…
On the nature of the microquasar V4641 Sagittari
S. Chaty, I. F Mirabel, J. Marti +1
We present photometric and spectroscopic optical and near-infrared (NIR) observations (Based on observations collected at the European Southern Observatory, Chile (ESO ID 63.H-0493…
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…
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…
The surroundings of the superluminal source GRS 1915+105
L. F. Rodriguez, I. Felix Mirabel
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 i…
The hard X-ray source GRS 1734-292: a Seyfert 1 galaxy behind the Galactic Center
J. Marti, I. F. Mirabel, S. Chaty +1
The radio, infrared and optical counterparts of the hard X-ray source GRS 1734-292 (l{II}=358.9 deg, b{II}=+1.4 deg) are reported. The optical spectrum exhibits broad (>1000 km s^-…