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Studying type II supernovae as cosmological standard candles using the Dark Energy Survey

Publication ,  Journal Article
De Jaeger, T; Galbany, L; González-Gaitán, S; Kessler, R; Filippenko, AV; Förster, F; Hamuy, M; Brown, PJ; Davis, TM; Gutiérrez, CP; Inserra, C ...
Published in: Monthly Notices of the Royal Astronomical Society
January 1, 2020

Despite vast improvements in the measurement of the cosmological parameters, the nature of dark energy and an accurate value of the Hubble constant (H0) in the Hubble–Lemaître law remain unknown. To break the current impasse, it is necessary to develop as many independent techniques as possible, such as the use of Type II supernovae (SNe II). The goal of this paper is to demonstrate the utility of SNe II for deriving accurate extragalactic distances, which will be an asset for the next generation of telescopes where more-distant SNe II will be discovered. More specifically, we present a sample from the Dark Energy Survey Supernova Program (DES-SN) consisting of 15 SNe II with photometric and spectroscopic information spanning a redshift range up to 0.35. Combining our DES SNe with publicly available samples, and using the standard candle method (SCM), we construct the largest available Hubble diagram with SNe II in the Hubble flow (70 SNe II) and find an observed dispersion of 0.27 mag. We demonstrate that adding a colour term to the SN II standardization does not reduce the scatter in the Hubble diagram. Although SNe II are viable as distance indicators, this work points out important issues for improving their utility as independent extragalactic beacons: find new correlations, define a more standard subclass of SNe II, construct new SN II templates, and dedicate more observing time to high-redshift SNe II. Finally, for the first time, we perform simulations to estimate the redshift-dependent distance-modulus bias due to selection effects.

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Published In

Monthly Notices of the Royal Astronomical Society

DOI

EISSN

1365-2966

ISSN

0035-8711

Publication Date

January 1, 2020

Volume

495

Issue

4

Start / End Page

4860 / 4892

Related Subject Headings

  • Astronomy & Astrophysics
  • 5109 Space sciences
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 0201 Astronomical and Space Sciences
 

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De Jaeger, T., Galbany, L., González-Gaitán, S., Kessler, R., Filippenko, A. V., Förster, F., … Wilkinson, R. (2020). Studying type II supernovae as cosmological standard candles using the Dark Energy Survey. Monthly Notices of the Royal Astronomical Society, 495(4), 4860–4892. https://doi.org/10.1093/MNRAS/STAA1402
De Jaeger, T., L. Galbany, S. González-Gaitán, R. Kessler, A. V. Filippenko, F. Förster, M. Hamuy, et al. “Studying type II supernovae as cosmological standard candles using the Dark Energy Survey.” Monthly Notices of the Royal Astronomical Society 495, no. 4 (January 1, 2020): 4860–92. https://doi.org/10.1093/MNRAS/STAA1402.
De Jaeger T, Galbany L, González-Gaitán S, Kessler R, Filippenko AV, Förster F, et al. Studying type II supernovae as cosmological standard candles using the Dark Energy Survey. Monthly Notices of the Royal Astronomical Society. 2020 Jan 1;495(4):4860–92.
De Jaeger, T., et al. “Studying type II supernovae as cosmological standard candles using the Dark Energy Survey.” Monthly Notices of the Royal Astronomical Society, vol. 495, no. 4, Jan. 2020, pp. 4860–92. Scopus, doi:10.1093/MNRAS/STAA1402.
De Jaeger T, Galbany L, González-Gaitán S, Kessler R, Filippenko AV, Förster F, Hamuy M, Brown PJ, Davis TM, Gutiérrez CP, Inserra C, Lewis GF, Möller A, Scolnic D, Smith M, Brout D, Carollo D, Foley RJ, Glazebrook K, Hinton SR, Macaulay E, Nichol B, Sako M, Sommer NE, Tucker BE, Abbott TMC, Aguena M, Allam S, Annis J, Avila S, Bertin E, Bhargava S, Brooks D, Burke DL, Carnero Rosell A, Carrasco Kind M, Carretero J, Costanzi M, Crocce M, Da Costa LN, De Vicente J, Desai S, Diehl HT, Doel P, Drlica-Wagner A, Eifler TF, Estrada J, Everett S, Flaugher B, Fosalba P, Frieman J, García-Bellido J, Gaztanaga E, Gruen D, Gruendl RA, Gschwend J, Gutierrez G, Hartley WG, Hollowood DL, Honscheid K, James DJ, Kuehn K, Kuropatkin N, Li TS, Lima M, Maia MAG, Menanteau F, Miquel R, Palmese A, Paz-Chinchón F, Plazas AA, Romer AK, Roodman A, Sanchez E, Scarpine V, Schubnell M, Serrano S, Sevilla-Noarbe I, Soares-Santos M, Suchyta E, Swanson MEC, Tarle G, Thomas D, Tucker DL, Varga TN, Walker AR, Weller J, Wilkinson R. Studying type II supernovae as cosmological standard candles using the Dark Energy Survey. Monthly Notices of the Royal Astronomical Society. 2020 Jan 1;495(4):4860–4892.
Journal cover image

Published In

Monthly Notices of the Royal Astronomical Society

DOI

EISSN

1365-2966

ISSN

0035-8711

Publication Date

January 1, 2020

Volume

495

Issue

4

Start / End Page

4860 / 4892

Related Subject Headings

  • Astronomy & Astrophysics
  • 5109 Space sciences
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 0201 Astronomical and Space Sciences