The nature of supernovae 2010O and 2010P in Arp 299 - II. Radio emission
Journal article, 2014

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 similar to 1 to similar 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 M [M-circle dot yr(-1)]/upsilon(wind) [10 km s(-1)] = (3.0 - 5.1) x 10(-5), with a 5 GHz peak luminosity of similar to 1.2 x 10(27) erg s(- 1) Hz(- 1) on day similar to 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.

1983

LIGHT-CURVES

galaxies: individual: Arp 299

radio continuum: galaxies

P551

V267

X-RAY-EMISSION

SN 2011DH

DISCOVERY

HRZ RD

ASTROPHYSICAL JOURNAL

MODULATIONS

P302

supernovae: individual: SN 2010P

EVALIER RA

1982

PROGENITORS

V259

supernovae: general

EVOLUTION

supernovae: individual: SN 2010O

galaxies: starburst

REVEAL

LUMINOUS INFRARED GALAXY

EXPLOSION

ASTROPHYSICAL JOURNAL

Author

C. Romero-Cañizales

Pontificia Universidad Catolica de Chile

Tuorla Observatory

R. Herrero-Illana

Spanish National Research Council (CSIC)

Miguel Angel Perez-Torres

Spanish National Research Council (CSIC)

Antxon Alberdi

Spanish National Research Council (CSIC)

E. Kankare

Tuorla Observatory

University of Turku

F. E. Bauer

Pontificia Universidad Catolica de Chile

Space Science Institute

S. D. Ryder

Australian Astronomical Observatory

S. Mattila

University of Turku

John Conway

Chalmers, Earth and Space Sciences, Onsala Space Observatory

R. J. Beswick

University of Manchester

T .W. B. Muxlow

University of Manchester

Monthly Notices of the Royal Astronomical Society

0035-8711 (ISSN) 1365-2966 (eISSN)

Vol. 440 2 1067-1079 stu430

Advanced Radio Astronomy in Europe (RADIONET3)

European Commission (EC) (EC/FP7/283393), 2012-01-01 -- 2015-12-31.

Subject Categories (SSIF 2011)

Astronomy, Astrophysics and Cosmology

DOI

10.1093/mnras/stu430

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