Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003atel..172....1r&link_type=abstract
The Astronomer's Telegram, #172
Astronomy and Astrophysics
Astronomy
5
Radio, Infra-Red, Optical, X-Ray, Binaries, Black Holes, Transients
Scientific paper
We report a strong radio flare from the X-ray transient and likely black hole binary V4641 Sgr, which has recently become active again in the optical (ATEL #170) and X-ray (ATEL #171) bands. Observations with the Very Large Array (VLA) on August 6, 2003 gave strong detections at both 4.86 and 8.46 GHz, compared with a non-detection at 4.86 GHz on July 31, 2003 with an rms noise level of 0.1 mJy/beam.
Dhawan Vivek
Mioduszewski Amy J.
Rupen Michael P.
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