Difference: GCNCIRCULAR21760 ( vs. 1)
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NUMBER: 21760 SUBJECT: LIGO/Virgo G298048: OVRO 40m telescope follow-up DATE: 17/08/30 03:23:28 GMT FROM: Mansi M. Kasliwal at Caltech <mansi@astro.caltech.edu> T. J. Pearson and A. C. S. Readhead (Caltech) on behalf of the Owens Valley Radio Observatory. The KuPol receiver on the Owens Valley Radio Observatory 40m telescope is a dual-beam switched radiometer with a resolution ~ 3 arcmin operating in the 13-18 GHz band (http://www.astro.caltech.edu/ovroblazars/  ).
We observed the candidate counterpart SSS17a and NGC 4993 at the following
times (UTC):
2017-08-19T21:57:46 to 2017-08-20T01:38:52
2017-08-23T21:18:44 to 2017-08-24T00:10:30
On-off measurements of about 32s on-source integration were inerleaved with
calibration observations, for a cadence of roughly 15 measurements per hour.
In both periods there was no signal above our 3-sigma detection limit ~ 50
mJy in any individual on-off measurement.
Further observations are planned, along with improved analysis to refine
the upper limit.-- ThomasKupfer - 30 Aug 2017 | |||||||
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