Radio Observations of SN 2008ha

Details Radio Observations of SN 2008ha Radio Observations of SN 2008ha

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.1948....1s&link_type=abstract

The Astronomer's Telegram, #1948

Astronomy and Astrophysics

Astronomy

Radio, Novae, Supernovae

Scientific paper

I observed the peculiar SN 2008ha (CBET #1567) with the Very Large Array on 2008 Nov 21.99 UT at a frequency of 8.46 GHz. No radio source is detected at the optical SN position to a limit of 93 microJy (3 sigma). At a distance of 21 Mpc, this corresponds to a radio luminosity limit similar to those of nearby Type Ia supernovae (Panagia et al. 2006). It is also consistent with the observed radio luminosities for the nearest Type Ibc supernovae (e.g., SN 2002ap; Berger, Kulkarni & Chevalier 2002), but a factor of 10^3 and 10^5 below the radio luminosities of sub-energetic GRBs (Soderberg et al.

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