The bolometric light curves and physical parameters of stripped-envelope supernovae
Creators
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1.
Liverpool John Moores University
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2.
Max Planck Institute for Astrophysics
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3.
Scuola Normale Superiore di Pisa
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4.
Weizmann Institute of Science
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5.
California Institute of Technology
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6.
Texas Tech University
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7.
Stockholm University
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8.
Las Cumbres Observatory Global Telescope Network
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9.
University of California, Berkeley
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10.
Carnegie Institution for Science
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11.
Lawrence Berkeley National Laboratory
Abstract
The optical and optical/near-infrared pseudobolometric light curves of 84 stripped-envelope supernovae (SNe) are constructed using a consistent method and a standard cosmology. The light curves are analysed to derive temporal characteristics and peak luminosity L_p, enabling the construction of a luminosity function. Subsequently, the mass of ^(56)Ni synthesised in the explosion, along with the ratio of ejecta mass to ejecta kinetic energy, are found. Analysis shows that host-galaxy extinction is an important factor in accurately determining luminosity values as it is significantly greater than Galactic extinction in most cases. It is found that broad-lined SNe Ic (SNe Ic-BL) and gamma-ray burst SNe are the most luminous subtypes with a combined median L_p, in erg s^(−1), of log(L_p) = 42.99 compared to 42.51 for SNe Ic, 42.50 for SNe Ib, and 42.36 for SNe IIb. It is also found that SNe Ic-BL synthesise approximately twice the amount of ^(56)Ni compared with SNe Ic, Ib, and IIb, with median M_(Ni) = 0.34, 0.16, 0.14, and 0.11 M_⊙, respectively. SNe Ic-BL, and to a lesser extent SNe Ic, typically rise from L_p/2 to L_p more quickly than SNe Ib/IIb; consequently, their light curves are not as broad.
Additional Information
© 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2016 February 4. Received 2016 February 2. In original form 2015 December 4. First published online February 8, 2016. This research used resources of the National Energy Research Scientific Computing Center, a DOE Office of Science User Facility supported by the Office of Science of the US Department of Energy under Contract No. DE-AC02-05CH11231. AVF's research was funded by NSF grant AST-1211916, the TABASGO Foundation, and the Christopher R. Redlich Fund. A.G.Y. is supported by the EU/FP7 via ERC grant no. 307260, "The Quantum Universe" I-Core program by the Israeli Committee for planning and budgeting and the ISF; by Minerva and ISF grants; by the Weizmann-UK "making connections" program; and by Kimmel and YeS awards.Attached Files
Published - MNRAS-2016-Prentice-2973-3002.pdf
Submitted - 1602.01736v2.pdf
Files
1602.01736v2.pdf
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Additional details
Identifiers
- Eprint ID
- 67667
- Resolver ID
- CaltechAUTHORS:20160606-073147446
Related works
- Describes
- http://arxiv.org/abs/1602.01736 (URL)
Funding
- Department of Energy (DOE)
- DE-AC02-05CH11231
- NSF
- AST-1211916
- TABASGO Foundation
- Christopher R. Redlich Fund
- European Research Council (ERC)
- 307260
- Israeli Committee for Planning and Budgeting
- Israel Science Foundation
- MINERVA (Israel)
- Weismann-UK
- Kimmel Award
- YeS awards
Dates
- Created
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2016-06-06Created from EPrint's datestamp field
- Updated
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2021-11-11Created from EPrint's last_modified field