The Library
Using large spectroscopic surveys to test the double degenerate model for Type Ia supernovae
Tools
Breedt, E., Steeghs, D., Marsh, Tom, Gentile Fusillo, N. P., Tremblay, Pier-Emmanuel, Green, Matthew J., De Pasquale, S., Hermes, J. J., Gänsicke, B. T. (Boris T.), Parsons, S. G., Bours, Madelon C. P., Longa-Peña, Penélope and Rebassa-Mansergas, A. (2017) Using large spectroscopic surveys to test the double degenerate model for Type Ia supernovae. Monthly Notices of the Royal Astronomical Society, 468 (3). pp. 2910-2922. doi:10.1093/mnras/stx430 ISSN 0035-8711.
|
PDF
WRAP_px-230217-arxiv_submission.pdf - Accepted Version - Requires a PDF viewer. Download (2818Kb) | Preview |
Official URL: https://doi.org/10.1093/mnras/stx430
Abstract
An observational constraint on the contribution of double degenerates to Type Ia supernovae requires multiple radial velocity measurements of ideally thousands of white dwarfs. This is because only a small fraction of the double degenerate population is massive enough, with orbital periods short enough, to be considered viable Type Ia progenitors. We show how the radial velocity information available from public surveys such as the Sloan Digital Sky Survey can be used to pre-select targets for variability, leading to a ten-fold reduction in observing time required compared to an unranked or random survey. We carry out Monte Carlo simulations to quantify the detection probability of various types of binaries in the survey and show that this method, even in the most pessimistic case, doubles the survey size of the largest survey to date (the SPY survey) in less than 15 per cent of the required observing time. Our initial follow-up observations corroborate the method, yielding 15 binaries so far (eight known and seven new), as well as orbital periods for four of the new binaries.
Item Type: | Journal Article | ||||||||
---|---|---|---|---|---|---|---|---|---|
Alternative Title: | |||||||||
Subjects: | Q Science > QB Astronomy | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
Library of Congress Subject Headings (LCSH): | Supernovae, White dwarf stars -- Measurement, Monte Carlo method | ||||||||
Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||||||
Publisher: | Oxford University Press | ||||||||
ISSN: | 0035-8711 | ||||||||
Official Date: | 1 July 2017 | ||||||||
Dates: |
|
||||||||
Volume: | 468 | ||||||||
Number: | 3 | ||||||||
Page Range: | pp. 2910-2922 | ||||||||
DOI: | 10.1093/mnras/stx430 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 24 February 2017 | ||||||||
Date of first compliant Open Access: | 24 February 2017 | ||||||||
Funder: | European Southern Observatory (ESO), Science and Technology Research Council, Science and Technology Facilities Council (Great Britain) (STFC), European Research Council (ERC), United States. National Aeronautics and Space Administration (NASA), Chile. Government, Spain. Agència de Gestió d'Ajuts Universitaris i de Recerca [Agency for Management of University and Research Grants] (ARM), Spain. Ministerio de Economía y Competitividad [Ministry of Economy and Competitiveness] (MINECO), Alfred P. Sloan Foundation, National Science Foundation (U.S.) (NSF), United States. Department of Energy. Office of Science | ||||||||
Grant number: | 095.D-0837(A), 095.D-0965(A), 097.D-0663(A) (ESO), ST/L00073 (STFC), 77706-WD3D, 320964-WDTracer (ERC), #HST-HF2-51357.001-A (NASA), Grant 2014 (Chile. Government) (ESO), AYA2014-59084-P (MINECO) (ARM) |
Request changes or add full text files to a record
Repository staff actions (login required)
View Item |
Downloads
Downloads per month over past year