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SUPERNOVA 2008bk IN NGC 7793

ATEL # 1452; C. J. Stockdale (Marquette University and University of Oklahoma), K. W. Weiler (Naval Research Laboratory), A. Soderberg (Princeton), P. Chandra (National Radio Astronomy Observatory), S. W. Amy (CSIRO Australia Telescope National Facility), R. Chevalier (University of Virginia), N. Chugai (Russian Academy of Sciences), C. Fransson (Stockholm University), S. Immler (Goddard Space Flight Center), B. F. Madore (Carnegie Institute), J.M. Marcaide (University of Valencia), N. Panagia (Space Telescope Science Institute and Observatory of Catania), D. Pooley (University of Wisconsin at Madison), S. Ryder (Anglo-Australian Observatory), R. A. Sramek (National Radio Astronomy Observatory), M. Strauss (Princeton), and S. D. Van Dyk (Spitzer Science Center, California Institute of Technology)
on 1 Apr 2008; 4:11 UT
Password Certification: Kurt W. Weiler (

Subjects: Radio, Nova, Supernova

No radio emission has been detected near the position of the untyped supernova 2008bk (CBET 1315) with the Very Large Array (VLA) radio telescope with a three sigma upper-limit of 0.18 mJy at 8.46 GHz (wavelength 3.5 cm) and 0.46 mJy at 22.46 GHz (wavelength 1.3 cm) on 2008 Mar. 29.74 UT. SN 2008bk is unusually close (v = 227 km/s, z = 0.000757 d ~ 3.5 Mpc) and is suspected to be a type II SN (CBET 1319). Detailed observations are encouraged at other wavelengths. Radio observations are continuing. We would like to extend our thanks to the VLA scheduling officers for their support of our observing program.

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R. E. Rutledge , Editor
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