We present a summary of Chandra monitoring observations of M31, and partial results of our HST program to search for UV counterparts to M31 X-ray Transients...
Chandra Watches Over A Decade Of Variability In M31 Globular Clusters
The central region of M31 has been monitored with Chandra > 120 times over the last 11 years. In this region we find X-ray sources corresponding to 35 out of...
Chandra X-ray Observatory Observation of the Nucleus of M31
As part of our Guaranteed Time Observer program on the Chandra X-Ray Observatory, we have an M31 observing program which has two major objectives. First to...
Chandra's View of Luminous Supersoft X-Ray Sources in M31
Its combination of good spatial resolution and soft X-ray sensitivity make Chandra an ideal instrument for the detection of luminous supersoft X-ray sources...
As part of ELAIS, ISOCAM observations were carried out covering 10.3deg2 at 15um. The observations were carried out in raster mode, with most of the survey area...
Chandra/HST Observations of X-ray Transients in M31
M31 has been monitored by the HRC and ACIS detectors aboard Chandra from 1999 to 2002. We report here a summary of properties of X-ray sources in M31 with a...
Changes in Pluto's Atmosphere Revealed by the P126A Occultation
We will report the results from an occultation of P126A by Pluto on the night of 2002 July 20 UT. The event was successfully observed with a 0.4-m telescope at...