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Title: First Results from the La Silla-Quest Supernova Survey and the Carnegie Supernova Project

Journal Article · · The Astrophysical Journal. Supplement Series (Online)
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  1. Yale Univ., New Haven, CT (United States)
  2. Carnegie Inst. of Washington, La Serena (Chile). Las Campanas Observatory
  3. Carnegie Inst. of Washington, La Serena (Chile). Las Campanas Observatory; Aarhus Univ. (Denmark)
  4. Univ. Bonn (Germany). Inst. fur Physik, Physikalisches Inst.
  5. Univ. of California, Berkeley, CA (United States)
  6. Aarhus Univ. (Denmark)
  7. Texas A & M Univ., College Station, TX (United States)
  8. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
  9. Univ. of Southampton (United Kingdom)
  10. Australian National Univ., Acton, ACT (Australia)
+ Show Author Affiliations

The La Silla/QUEST Variability Survey (LSQ) and the Carnegie Supernova Project (CSP II) are collaborating to discover and obtain photometric light curves for a large sample of low-redshift (z < 0.1) Type Ia supernovae (SNe Ia). The supernovae are discovered in the LSQ survey using the 1 m ESO Schmidt telescope at the La Silla Observatory with the 10 square degree QUEST camera. The follow-up photometric observations are carried out using the 1 m Swope telescope and the 2.5 m du Pont telescopes at the Las Campanas Observatory. This paper describes the survey, discusses the methods of analyzing the data, and presents the light curves for the first 31 SNe Ia obtained in the survey. The SALT 2.4 supernova light-curve fitter was used to analyze the photometric data, and the Hubble diagram for this first sample is presented. Furthermore, the measurement errors for these supernovae averaged 4%, and their intrinsic spread was 14%.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); National Science Foundation (NSF)
Grant/Contract Number:
AC02-05CH11231; FG02-92ER40704; AST-0306969; AST-0908886; AST-0607438; AST-1008343
OSTI ID:
1812338
Journal Information:
The Astrophysical Journal. Supplement Series (Online), Vol. 219, Issue 1; ISSN 1538-4365
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (8)

Long-Term Optical Monitoring of Blazars journal May 2019
Cosmicflows-3 journal August 2016
A blinded determination of H0 from low-redshift Type Ia supernovae, calibrated by Cepheid variables journal June 2017
The Carnegie Supernova Project II: Early observations and progenitor constraints of the Type Ib supernova LSQ13abf journal January 2020
Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ∼ 0.1 journal November 2018
Observational properties of thermonuclear supernovae journal August 2019
Surface Radioactivity or Interactions? Multiple Origins of Early-excess Type Ia Supernovae and Associated Subclasses journal October 2018
Carnegie Supernova Project-II: Extending the Near-Infrared Hubble Diagram for Type Ia Supernovae to $z\sim0.1$ text January 2018

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