From core collapse to superluminous: the rates of massive stellar explosions from the Palomar Transient Factory
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We present measurements of the local core-collapse supernova (CCSN) rate using SN discoveries from the Palomar Transient Factory (PTF). We use a Monte Carlo simulation of hundreds of millions of SN light-curve realizations coupled with the detailed PTF survey detection efficiencies to forward model the SN rates in PTF. Using a sample of 86 CCSNe, including 26 stripped-envelope SNe (SESNe), we show that the overall CCSN volumetric rate is r(nu)(CC) = 9.10(-1.27)(+1.56) x 10(-5) SNe yr(-1) Mpc(-3) h(70)(3) at <z > = 0.028, and the SESN volumetric rate is r(v)(SE) = 2.41(-0.64)(+0.81) x 10(-5) SNe yr(-1) Mpc(-3) h(70)(3). We further measure a volumetric rate for hydrogen-free superluminous SNe (SLSNe-I) using eight events at z
Originalsprog | Engelsk |
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Tidsskrift | Monthly Notices of the Royal Astronomical Society |
Vol/bind | 500 |
Udgave nummer | 4 |
Sider (fra-til) | 5142-5158 |
Antal sider | 17 |
ISSN | 0035-8711 |
DOI | |
Status | Udgivet - 1 feb. 2021 |
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