Scientific highlights in high energy astrophysics
Recent highlights of research carried out at CASS:
- NASA's X-ray Timing Explorer, which includes UCSD's High Energy X-ray Timing Experiment was
launched successfully on 1995 December 30. More information about the status
of the XTE mission and new results can be found here.
Latest news: XTE has made multiple observations of the
new Galactic Center transient source GROJ1744-28, discovered by GRO
in mid-December. As the only other X-ray observatory able to observe the
Galactic Center region in January and February (the source is too close to
the sun for ASCA and Rosat), XTE has been instrumental in refining the
location of this source. This newer, smaller ``error box'' has now enabled
observers at other wavelengths (optical, infrared and radio) to attempt an
For the latest developments, and more details of the XTE observations, see
GROJ1744-28 WWW page.
The soft gamma-ray repeater in the supernova
by David Marsden, Rick Rothschild, and Richard
to be published in Proc. 1995 Gamma-Ray Burst Workshop
(AIP, in press).
Recent Rosat observations may provide clues to the identity of the small
class of gamma-ray bursts which have been
observed to repeat over the years.
- Cygnus A - the radio galaxy
at the heart of the Swan
(as seen on UCSD TV's Quarks to Quasars
by Philip Blanco,
based on work published in the Astrophysical Journal (Letters),
449, L131 (1995).
A brief history of the ``original'' radio galaxy, together with some new
results from the Very Large Array radio telescope. XTE time has
also been awarded to observe this galaxy.
- The Continuous Hard X-ray Imager for
by a collaboration of CASS scientists and engineers,
published in Proc. S.P.I.E. 1258, 13 (1995).
NASA recently solicited proposals for the next generation of orbiting
observatories. This is our proposal, to use a new strip-detector
technology (CdZnTe) to provide the first imaging all-sky survey in the
10-100 keV band.
High energy astrophysics at CASS
Center for Astrophysics & Space