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Rates and delay times of Type Ia supernovae in the Dark Energy Survey

Publication ,  Journal Article
Wiseman, P; Sullivan, M; Smith, M; Frohmaier, C; Vincenzi, M; Graur, O; Popovic, B; Armstrong, P; Brout, D; Davis, TM; Galbany, L; Hinton, SR ...
Published in: Monthly Notices of the Royal Astronomical Society
September 1, 2021

We use a sample of 809 photometrically classified Type Ia supernovae (SNe Ia) discovered by the Dark Energy Survey (DES) along with 40 415 field galaxies to calculate the rate of SNe Ia per galaxy in the redshift range 0.2 < z < 0.6. We recover the known correlation between SN Ia rate and galaxy stellar mass across a broad range of scales 8.5 ≤ log (M∗/M⊙) ≤ 11.25. We find that the SN Ia rate increases with stellar mass as a power law with index 0.63 ± 0.02, which is consistent with the previous work. We use an empirical model of stellar mass assembly to estimate the average star formation histories (SFHs) of galaxies across the stellar mass range of our measurement. Combining the modelled SFHs with the SN Ia rates to estimate constraints on the SN Ia delay time distribution (DTD), we find that the data are fit well by a power-law DTD with slope index β = -1.13 ± 0.05 and normalization A = 2.11 ± 0.05 × 10-13 SNe M⊙-1 yr-1, which corresponds to an overall SN Ia production efficiency NIa/M∗ = 0.9-0.7+4.0 × 10-3SNe M⊙-1. Upon splitting the SN sample by properties of the light curves, we find a strong dependence on DTD slope with the SN decline rate, with slower-declining SNe exhibiting a steeper DTD slope. We interpret this as a result of a relationship between intrinsic luminosity and progenitor age, and explore the implications of the result in the context of SN Ia progenitors.

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Published In

Monthly Notices of the Royal Astronomical Society

DOI

EISSN

1365-2966

ISSN

0035-8711

Publication Date

September 1, 2021

Volume

506

Issue

3

Start / End Page

3330 / 3348

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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Wiseman, P., Sullivan, M., Smith, M., Frohmaier, C., Vincenzi, M., Graur, O., … Walker, A. R. (2021). Rates and delay times of Type Ia supernovae in the Dark Energy Survey. Monthly Notices of the Royal Astronomical Society, 506(3), 3330–3348. https://doi.org/10.1093/mnras/stab1943
Wiseman, P., M. Sullivan, M. Smith, C. Frohmaier, M. Vincenzi, O. Graur, B. Popovic, et al. “Rates and delay times of Type Ia supernovae in the Dark Energy Survey.” Monthly Notices of the Royal Astronomical Society 506, no. 3 (September 1, 2021): 3330–48. https://doi.org/10.1093/mnras/stab1943.
Wiseman P, Sullivan M, Smith M, Frohmaier C, Vincenzi M, Graur O, et al. Rates and delay times of Type Ia supernovae in the Dark Energy Survey. Monthly Notices of the Royal Astronomical Society. 2021 Sep 1;506(3):3330–48.
Wiseman, P., et al. “Rates and delay times of Type Ia supernovae in the Dark Energy Survey.” Monthly Notices of the Royal Astronomical Society, vol. 506, no. 3, Sept. 2021, pp. 3330–48. Scopus, doi:10.1093/mnras/stab1943.
Wiseman P, Sullivan M, Smith M, Frohmaier C, Vincenzi M, Graur O, Popovic B, Armstrong P, Brout D, Davis TM, Galbany L, Hinton SR, Kelsey L, Kessler R, Lidman C, Möller A, Nichol RC, Rose B, Scolnic D, Toy M, Zontou Z, Asorey J, Carollo D, Glazebrook K, Lewis GF, Tucker BE, Abbott TMC, Aguena M, Allam S, Andrade-Oliveira F, Annis J, Bacon D, Bertin E, Brooks D, Buckley-Geer E, Burke DL, Rosell AC, Kind MC, Carretero J, Costanzi M, Da Costa LN, Pereira MES, Desai S, Diehl HT, Doel P, Everett S, Ferrero I, Flaugher B, Fosalba P, Frieman J, García-Bellido J, Gaztanaga E, Giannantonio T, Gruen D, Gruendl RA, Gschwend J, Gutierrez G, Hollowood DL, Honscheid K, Hoyle B, James DJ, Krause E, Kuehn K, Kuropatkin N, Maia MAG, Marshall JL, Martini P, Menanteau F, Miquel R, Morgan R, Ogando RLC, Palmese A, Paz-Chinchón F, Petravick D, Pieres A, Malagón AAP, Romer AK, Sanchez E, Scarpine V, Schubnell M, Serrano S, Sevilla-Noarbe I, Soares-Santos M, Suchyta E, Swanson MEC, Tarle G, Thomas D, To C, Varga TN, Walker AR. Rates and delay times of Type Ia supernovae in the Dark Energy Survey. Monthly Notices of the Royal Astronomical Society. 2021 Sep 1;506(3):3330–3348.
Journal cover image

Published In

Monthly Notices of the Royal Astronomical Society

DOI

EISSN

1365-2966

ISSN

0035-8711

Publication Date

September 1, 2021

Volume

506

Issue

3

Start / End Page

3330 / 3348

Related Subject Headings

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