Lick Observatory Supernova Search follow-up program: photometry data release of 93 Type Ia supernovae
Journal Article
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· Monthly Notices of the Royal Astronomical Society
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- Univ. of California, Berkeley, CA (United States)
- Harvard–Smithsonian Center for Astrophysics, Cambridge, MA (United States)
- Gemini Observatory, Hilo, HI (United States)
- Univ. of California, Los Angeles, CA (United States)
- Univ. of California, Berkeley, CA (United States); Univ. of California, Los Angeles, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Lick Observatory, Mount Hamilton, CA (United States)
- Univ. of California, Berkeley, CA (United States); Princeton Univ., NJ (United States)
- Stanford Univ., CA (United States)
- Univ. of California, Berkeley, CA (United States); Netflix, Inc., Los Gatos, CA (United States)
- California Institute of Technology (CalTech), Pasadena, CA (United States). Jet Propulsion Lab. (JPL)
- Univ. of California, Berkeley, CA (United States); Florida State Univ., Tallahassee, FL (United States)
- Univ. of Wyoming, Laramie, WY (United States)
- Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA
- Department of Physics, Guangxi University, Nanning 530004, China
- Univ. of Oklahoma, Norman, OK (United States)
Here, we present BVRI and unfiltered light curves of 93 Type Ia supernovae (SNe Ia) from the Lick Observatory Supernova Search (LOSS) follow-up program conducted between 2005 and 2018. Our sample consists of 78 spectroscopically normal SNe Ia, with the remainder divided between distinct subclasses (3 SN 1991bg-like, 3 SN 1991T-like, 4 SNe Iax, 2 peculiar, and 3 super-Chandrasekhar events), and has a median redshift of 0.0192. The SNe in our sample have a median coverage of 16 photometric epochs at a cadence of 5.4 d, and the median first observed epoch is ~4.6 d before maximum B-band light. We describe how the SNe in our sample are discovered, observed, and processed, and we compare the results from our newly developed automated photometry pipeline to those from the previous processing pipeline used by LOSS. After investigating potential biases, we derive a final systematic uncertainty of 0.03 mag in BVRI for our data set. We perform an analysis of our light curves with particular focus on using template fitting to measure the parameters that are useful in standardizing SNe Ia as distance indicators. All of the data are available to the community, and we encourage future studies to incorporate our light curves in their analyses.
- Research Organization:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- National Natural Science Foundation of China (NNSFC); National Science Foundation (NSF); USDOE Office of Science (SC)
- Grant/Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1737588
- Journal Information:
- Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Journal Issue: 3 Vol. 490; ISSN 0035-8711
- Publisher:
- Royal Astronomical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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Photometric and Spectroscopic Studies of Superoutbursts of Three Dwarf Novae Independently Identified by the SVOM /GWAC System in 2018
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journal | January 2020 |
| The Berkeley sample of Type II supernovae: BVRI light curves and spectroscopy of 55 SNe II | text | January 2019 |
| Berkeley Supernova Ia Program: Data Release of 637 Spectra from 247 Type Ia Supernovae | text | January 2020 |
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