Proposal code
v015
Proposal title
Two-Epoch Mapping of Three Variable CGRO Blazars
The |
Investigators and their |
Affiliations |
| P.I. |
W. T. Vestrand |
University of New Hampshire, USA |
| |
J. G. Stacy |
USRA & University of New Hampshire, USA |
| |
J. S. Ulvestad |
Jet Propulsion Laboratory, USA |
| |
J. A. Biretta |
Space Telescope Science Institute, USA |
Proposal Abstract
We propose two-epoch 5-GHz VSOP observations of three
active gamma-ray blazars
with known or probable superluminal properties.
The three important gamma-ray AGN,
0208-512, 0804+499, and 1633+382, are currently being monitored
by multiwavelength campaigns that span the entire
spectrum from GeV gamma-rays
to cm radio wavelengths, and are ideal,
but relatively little studied, candidates
for VLBI measurements. The most popular gamma-ray blazar models predict the
emergence of a new VLBI jet component a period of
months to years after a gamma-ray
flare with an apparent transverse speed that is
predictable from the multiwavelength
properties of the outburst. The high resolution
of VSOP measurements is clearly
important for these sources, both to test the models for gamma-ray blazars and
to better delineate the VLBI structure.
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Note that many proposals were reduced in extent by the Scientific Review Committee
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