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A Type II supernova Hubble diagram from the CSP-I, SDSS-II, and SNLS surveys

A Type II supernova Hubble diagram from the CSP-I, SDSS-II, and SNLS surveys
A Type II supernova Hubble diagram from the CSP-I, SDSS-II, and SNLS surveys
The coming era of large photometric wide-field surveys will increase the detection rate of supernovae by orders of magnitude. Such numbers will restrict spectroscopic follow-up in the vast majority of cases, and hence new methods based solely on photometric data must be developed. Here, we construct a complete Hubble diagram of Type II supernovae (SNe II) combining data from three different samples: the Carnegie Supernova Project-I, the Sloan Digital Sky Survey II SN, and the Supernova Legacy Survey. Applying the Photometric Color Method (PCM) to 73 SNe II with a redshift range of 0.01-0.5 and with no spectral information, we derive an intrinsic dispersion of 0.35 mag. A comparison with the Standard Candle Method (SCM) using 61 SNe II is also performed and an intrinsic dispersion in the Hubble diagram of 0.27 mag, i.e., 13% in distance uncertainties, is derived. Due to the lack of good statistics at higher redshifts for both methods, only weak constraints on the cosmological parameters are obtained. However, assuming a flat universe and using the PCM, we derive the universe’s matter density: {{{Ω }}}m={0.32}-0.21+0.30 providing a new independent evidence for dark energy at the level of two sigma.This paper includes data gathered with the 6.5 m Magellan Telescopes, with the du Pont and Swope telescopes located at Las Campanas Observatory, Chile; and the Gemini Observatory, Cerro Pachon, Chile (Gemini Program N-2005A-Q-11, GN-2005B-Q-7, GN-2006A-Q-7, GS-2005A-Q-11, GS-2005B-Q-6, and GS-2008B-Q-56). Based on observations collected at the European Organization for Astronomical Research in the Southern Hemisphere, Chile (ESO Programmes 076.A-0156,078.D-0048, 080.A-0516, and 082.A-0526).
distance scale, galaxies: distances and redshifts, supernovae: general
0004-637X
de Jaeger, T.
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González-Gaitán, S.
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Hamuy, M.
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Galbany, L.
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Anderson, J. P.
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Phillips, M.M.
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Stritzinger, M.D.
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Carlberg, R.G.
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Sullivan, M.
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Gutiérrez, C.P.
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Hook, I. M.
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Howell, D. Andrew
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Hsiao, E.Y.
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Kuncarayakti, H.
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Ruhlmann-Kleider, V.
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Folatelli, G.
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Pritchet, C.
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Basa, S.
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de Jaeger, T.
e45519a3-dfd2-4cbc-8a82-afd29f84d357
González-Gaitán, S.
36cc061c-9ba5-41e6-9267-553984ba6737
Hamuy, M.
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Galbany, L.
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Anderson, J. P.
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Phillips, M.M.
fdfbc74c-b280-410f-aac4-23222f064b09
Stritzinger, M.D.
8e058b0e-ea9c-4bde-9d64-911eccaf3216
Carlberg, R.G.
f1b0b390-a865-49ee-97bf-0e8ee24d1cbe
Sullivan, M.
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Gutiérrez, C.P.
31c32c66-9f71-4e61-8e3a-b83498c995c9
Hook, I. M.
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Howell, D. Andrew
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Hsiao, E.Y.
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Kuncarayakti, H.
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Ruhlmann-Kleider, V.
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Folatelli, G.
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Pritchet, C.
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Basa, S.
333c3ee4-fd63-41b6-8660-2c7820cc63fe

de Jaeger, T., González-Gaitán, S., Hamuy, M., Galbany, L., Anderson, J. P., Phillips, M.M., Stritzinger, M.D., Carlberg, R.G., Sullivan, M., Gutiérrez, C.P., Hook, I. M., Howell, D. Andrew, Hsiao, E.Y., Kuncarayakti, H., Ruhlmann-Kleider, V., Folatelli, G., Pritchet, C. and Basa, S. (2017) A Type II supernova Hubble diagram from the CSP-I, SDSS-II, and SNLS surveys. The Astrophysical Journal, 835 (2). (doi:10.3847/1538-4357/835/2/166).

Record type: Article

Abstract

The coming era of large photometric wide-field surveys will increase the detection rate of supernovae by orders of magnitude. Such numbers will restrict spectroscopic follow-up in the vast majority of cases, and hence new methods based solely on photometric data must be developed. Here, we construct a complete Hubble diagram of Type II supernovae (SNe II) combining data from three different samples: the Carnegie Supernova Project-I, the Sloan Digital Sky Survey II SN, and the Supernova Legacy Survey. Applying the Photometric Color Method (PCM) to 73 SNe II with a redshift range of 0.01-0.5 and with no spectral information, we derive an intrinsic dispersion of 0.35 mag. A comparison with the Standard Candle Method (SCM) using 61 SNe II is also performed and an intrinsic dispersion in the Hubble diagram of 0.27 mag, i.e., 13% in distance uncertainties, is derived. Due to the lack of good statistics at higher redshifts for both methods, only weak constraints on the cosmological parameters are obtained. However, assuming a flat universe and using the PCM, we derive the universe’s matter density: {{{Ω }}}m={0.32}-0.21+0.30 providing a new independent evidence for dark energy at the level of two sigma.This paper includes data gathered with the 6.5 m Magellan Telescopes, with the du Pont and Swope telescopes located at Las Campanas Observatory, Chile; and the Gemini Observatory, Cerro Pachon, Chile (Gemini Program N-2005A-Q-11, GN-2005B-Q-7, GN-2006A-Q-7, GS-2005A-Q-11, GS-2005B-Q-6, and GS-2008B-Q-56). Based on observations collected at the European Organization for Astronomical Research in the Southern Hemisphere, Chile (ESO Programmes 076.A-0156,078.D-0048, 080.A-0516, and 082.A-0526).

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dejaeger_et_al_2016_Astroph - Accepted Manuscript
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Accepted/In Press date: 15 December 2016
e-pub ahead of print date: 27 January 2017
Published date: 1 February 2017
Keywords: distance scale, galaxies: distances and redshifts, supernovae: general

Identifiers

Local EPrints ID: 413218
URI: https://eprints.soton.ac.uk/id/eprint/413218
ISSN: 0004-637X
PURE UUID: 8aa0eb06-22b3-4411-b437-37e62ce4a6ef
ORCID for M. Sullivan: ORCID iD orcid.org/0000-0001-9053-4820

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Date deposited: 17 Aug 2017 16:30
Last modified: 15 Aug 2019 00:36

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Contributors

Author: T. de Jaeger
Author: S. González-Gaitán
Author: M. Hamuy
Author: L. Galbany
Author: J. P. Anderson
Author: M.M. Phillips
Author: M.D. Stritzinger
Author: R.G. Carlberg
Author: M. Sullivan ORCID iD
Author: C.P. Gutiérrez
Author: I. M. Hook
Author: D. Andrew Howell
Author: E.Y. Hsiao
Author: H. Kuncarayakti
Author: V. Ruhlmann-Kleider
Author: G. Folatelli
Author: C. Pritchet
Author: S. Basa

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