Evidence for a compact Wolf-Rayet progenitor for the Type Ic supernova PTF 10vgv
We present the discovery of PTF 10vgv, a Type Ic supernova detected by the Palomar Transient Factory, using the Palomar 48-inch telescope (P48). R-band observations of the PTF 10vgv field with P48 probe the supernova emission from its very early phases (about two weeks before R-band maximum), and se...
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| creator | Corsi, A Ofek, E O Gal-Yam, A Frail, D A Poznanski, D Mazzali, P A Kulkarni, S R Kasliwal, M M Arcavi, I Ben-Ami, S Cenko, S B Filippenko, A V Fox, D B Horesh, A Howell, J L Kleiser, I K W Nakar, E Rabinak, I Sari, R Silverman, J M D Xu Bloom, J S Law, N M Nugent, P E Quimby, R M |
| description | We present the discovery of PTF 10vgv, a Type Ic supernova detected by the Palomar Transient Factory, using the Palomar 48-inch telescope (P48). R-band observations of the PTF 10vgv field with P48 probe the supernova emission from its very early phases (about two weeks before R-band maximum), and set limits on its flux in the week prior to the discovery. Our sensitive upper limits and early detections constrain the post-shock-breakout luminosity of this event. Via comparison to numerical (analytical) models, we derive an upper-limit of R \lesssim 4.5 Rsun (R \lesssim 1 Rsun) on the radius of the progenitor star, a direct indication in favor of a compact Wolf-Rayet star. Applying a similar analysis to the historical observations of SN 1994I, yields R \lesssim 1/4 Rsun for the progenitor radius of this supernova. |
| doi_str_mv | 10.48550/arxiv.1110.5618 |
| format | Article |
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R-band observations of the PTF 10vgv field with P48 probe the supernova emission from its very early phases (about two weeks before R-band maximum), and set limits on its flux in the week prior to the discovery. Our sensitive upper limits and early detections constrain the post-shock-breakout luminosity of this event. Via comparison to numerical (analytical) models, we derive an upper-limit of R \lesssim 4.5 Rsun (R \lesssim 1 Rsun) on the radius of the progenitor star, a direct indication in favor of a compact Wolf-Rayet star. Applying a similar analysis to the historical observations of SN 1994I, yields R \lesssim 1/4 Rsun for the progenitor radius of this supernova.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1110.5618</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Luminosity ; Mathematical models ; Physics - Cosmology and Nongalactic Astrophysics ; Supernovae ; Wolf-Rayet stars</subject><ispartof>arXiv.org, 2012-02</ispartof><rights>2012. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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| subjects | Luminosity Mathematical models Physics - Cosmology and Nongalactic Astrophysics Supernovae Wolf-Rayet stars |
| title | Evidence for a compact Wolf-Rayet progenitor for the Type Ic supernova PTF 10vgv |
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