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Radio upper limit for SAX J1808.4-3658

ATel #506; M. P. Rupen (NRAO/GSFC), V. Dhawan, A. J. Mioduszewski (NRAO)
on 2 Jun 2005; 13:45 UT
Credential Certification: Michael P. Rupen (mrupen@nrao.edu)

Subjects: Radio, X-ray, Binary, Neutron Star, Transient, Pulsar

Referred to by ATel #: 513, 515, 517, 524

Very Large Array (VLA) observations of the accreting millisecond pulsar SAX J1808.4-3658, taken at 8.46 GHz on June 2nd, give a non-detection with a nominal flux density at the location of the source of 0.15 +/- 0.09 mJy/beam. Further observations are planned, based on the possible X-ray outburst (ATEL #505).

The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.