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Australia Telescope Compact Array radio observations of SN 2009ip

ATel #4434; Paul Hancock (SIfA / CAASTRO - University of Sydney), Keith Bannister (CSIRO Astronomy and Space Science), Martin Bell (SIfA / CAASTRO - University of Sydney)
on 28 Sep 2012; 01:10 UT
Credential Certification: Paul Hancock (Paul.Hancock@sydney.edu.au)

Subjects: Radio, Supernovae, Transient

The LBV SN2009ip has recently returned to outburst (Smith et al., ATel #4412) and is now showing evidence for a transition to a type-IIn supernova (Smith et al, ATel #4427, Burgasser et al, ATel #4431). We used the Australia Telescope Compact Array (ATCA) to observe SN2009ip for 68minutes on Sept 26 09:15 UT at 18GHz (4GHz bandwidth). We do not detect the SN in this observation and place a 3sigma upper limit of 66uJy on the flux of an afterglow. We thank that ATCA operations staff for scheduling these observations.