Recent Chandra and Swift Observations of New X-ray Transients in M31
We report recent observations of M31 taken with Chandra/ACIS-I on 2009-05-29.1 UT and with Swift/XRT on 2009-06-07.08 UT. In the 4ks Chandra/ACIS-I image, we...
We have been monitoring the optical counterpart of the TeV emitting binary LSI +61 303 (V615 Cas) since November 2005 with the Faulkes Telescope North (on...
We present the results of optical/near-IR observations carried out in the period Dec 1998-Dec 1999 at Spanish, Indian and New Zealand observatories. Most of the...
The authors present preliminary results of optical and infrared observations of Mk 421, during an outburst. Some of these observations are simultaneous in both...
Recent progress at the Very Large Telescope Interferometer
The ESO Very Large Telescope Interferometer (VLTI) is the first general-user interferometer that offers near- and mid-infrared long-baseline interferometric...
During the last years a mayor effort has been carried out both, in defining key parameters to quantify the quality of a site for astronomical observations, and...