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자연과학대학
물리학전공
Journal papers
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Reducing zero-point systematics in dark energy supernova experiments
Title
Reducing zero-point systematics in dark energy supernova experiments
Authors
Faccioli L.
;
Kim A.G.
;
Miquel R.
;
Bernstein G.
;
Bonissent A.
;
Brown M.
;
Carithers W.
;
Christiansen J.
;
Connolly N.
;
Deustua S.
;
Gerdes D.
;
Gladney L.
;
Kushner G.
;
Linder E.V.
;
McKee S.
;
Mostek N.
;
Shukla H.
;
Stebbins A.
;
Stoughton C.
;
Tucker D.
Ewha Authors
Eric V. Linder
Issue Date
2011
Journal Title
Astroparticle Physics
ISSN
0927-6505
Citation
Astroparticle Physics vol. 34, no. 12, pp. 847 - 857
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
We study the effect of filter zero-point uncertainties on future supernova dark energy missions. Fitting for calibration parameters using simultaneous analysis of all Type Ia supernova standard candles achieves a significant improvement over more traditional fit methods. This conclusion is robust under diverse experimental configurations (number of observed supernovae, maximum survey redshift, inclusion of additional systematics). This approach to supernova fitting considerably eases otherwise stringent mission calibration requirements. As an example we simulate a space-based mission based on the proposed JDEM satellite; however the method and conclusions are general and valid for any future supernova dark energy mission, ground or space-based. © 2011 Elsevier B.V. All rights reserved.
DOI
10.1016/j.astropartphys.2011.03.003
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