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Date and Time of the Query: 2019-08-19 T16:41:00 PDT
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For refcode 2014MNRAS.440.1067R:
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NED Abstract

Copyright by Royal Astronomical Society. 2014MNRAS.440.1067R The nature of supernovae 2010O and 2010P in Arp 299 - II. Radio emission Romero-Canizales, C.; Herrero-Illana, R.; Perez-Torres, M. A.; Alberdi, A.; Kankare, E.; Bauer, F. E.; Ryder, S. D.; Mattila, S.; Conway, J. E.; Beswick, R. J.; Muxlow, T. W. B. Abstract. We report radio observations of two stripped-envelope supernovae (SNe), 2010O and 2010P, which exploded within a few days of each other in the luminous infrared galaxy Arp 299. Whilst SN 2010O remains undetected at radio frequencies, SN 2010P was detected (with an astrometric accuracy better than 1 milli arcsec in position) in its optically thin phase in epochs ranging from ~1 to ~3 yr after its explosion date, indicating a very slow radio evolution and a strong interaction of the SN ejecta with the circumstellar medium. Our late-time radio observations towards SN 2010P probe the dense circumstellar envelope of this SN, and imply dot{M} [ {M_{sun}_ yr^{-1}}] / v_{wind}_ [10 km s^{-1}] =(3.0-5.1) x 10^-5^, with a 5 GHz peak luminosity of ~1.2 x 10^27^ erg s^- 1^ Hz^- 1^ on day ~464 after explosion. This is consistent with a Type IIb classification for SN 2010P, making it the most distant and most slowly evolving Type IIb radio SN detected to date. Key words: supernovae: general, supernovae: individual: SN 2010O, supernovae: individual: SN 2010P, galaxies: individual: Arp 299, galaxies: starburst, radio continuum: galaxies
Retrieve 24 NED objects in this reference.
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