Nearby supernova rates from the Lick Observatory Supernova Search - III. The rate-size relation, and the rates as a function of galaxy Hubble type and colour
University of California, Berkeley · Center for Astrophysics Harvard & Smithsonian · +5 more institutions
Abstract
This is the third paper of a series in which we present new measurements of the observed rates of supernovae (SNe) in the local Universe, determined from the Lick Observatory Supernova Search (LOSS). We have considered a sample of about 1000 SNe and used an optimal subsample of 726 SNe (274 SNe Ia, 116 SNe Ibc, and 324 SNe II) to determine our rates. We study the trend of the rates as a function of a few quantities available for our galaxy sample, such as luminosity in the B and K bands, stellar mass, and morphological class. We discuss different choices (SN samples, input SN luminosity functions, inclination correction factors) and their effect on the rates and their uncertainties. A comparison between our SN…
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Authors
8- WLWeidong LiCorresponding
University of California, Berkeley
- RCR. Chornock
Center for Astrophysics Harvard & Smithsonian, University of California, Berkeley
- JLJesse Leaman
Ames Research Center, University of California, Berkeley
- AVA. V. Filippenko
University of California, Berkeley
- DPD. Poznanski
Lawrence Berkeley National Laboratory, University of California, Berkeley
Topics & keywords
- Physics
- Astrophysics
- Supernova
- Galaxy
- Luminosity
- Astronomy
- Luminosity function
- Observatory