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Radio observations of Type Ic SN 2004gq

ATel #368; A. M. Soderberg (Caltech), S. R. Kulkarni (Caltech), D. A. Frail (NRAO)
on 16 Dec 2004; 19:00 UT
Credential Certification: Alicia M. Soderberg (ams@astro.caltech.edu)

Subjects: Radio, Gamma-Ray Burst, Supernovae

We observed the optical position of the Type Ic SN 2004gq (IAUC # 8452 ) using the Very Large Array on 2004 Dec 16.20 UT. At 8.5 GHz we clearly detect the SN with a flux density of 2.0 +- 0.05 mJy. Assuming an explosion date between Dec 4.38 and 11.93 (based on optical photometry) places our radio measurement at t ~ 4.47 to 11.82 days. At a comparable epoch, SN 1998bw was 100 times more radio luminous than SN 2004gq. Further radio observations are planned.