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  Supernova host galaxies in the dark energy survey: I. Deep coadds, photometry, and stellar masses

Wiseman, P., Smith, M., Childress, M., Kelsey, L., Möller, A., Gupta, R. R., et al. (2020). Supernova host galaxies in the dark energy survey: I. Deep coadds, photometry, and stellar masses. Monthly Notices of the Royal Astronomical Society, 495(4), 4040-4060. doi:10.1093/mnras/staa1302.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-FA01-F Version Permalink: http://hdl.handle.net/21.11116/0000-0007-950F-1
Genre: Journal Article

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Wiseman, P., Author
Smith, M., Author
Childress, M., Author
Kelsey, L., Author
Möller, A., Author
Gupta, R. R., Author
Swann, E., Author
Angus, C. R., Author
Brout, D., Author
Davis, T. M., Author
Foley, R. J., Author
Frohmaier, C., Author
Galbany, L., Author
Gutiérrez, C. P., Author
Inserra, C., Author
Kessler, R., Author
Lewis, G. F., Author
Lidman, C., Author
Macaulay, E., Author
Nichol, R. C., Author
Pursiainen, M., AuthorSako, M., AuthorScolnic, D., AuthorSommer, N. E., AuthorSullivan, M., AuthorTucker, B. E., AuthorAbbott, T. M. C., AuthorAguena, M., AuthorAllam, S., AuthorAvila, S., AuthorBertin, E., AuthorBrooks, D., AuthorBuckley-Geer, E., AuthorBurke, D. L., AuthorRosell, A. Carnero, AuthorCarollo, D., AuthorKind, M. Carrasco, Authorda Costa, L. N., AuthorVicente, J. De, AuthorDesai, S., AuthorDiehl, H. T., AuthorDoel, P., AuthorEifler, T. F., AuthorEverett, S., AuthorFosalba, P., AuthorFrieman, J., AuthorGarcía-Bellido, J., AuthorGaztanaga, E., AuthorGerdes, D. W., AuthorGill, M. S. S., AuthorGlazebrook, K., AuthorGruendl, R. A., AuthorGschwend, J., AuthorHartley, W. G., AuthorHinton, S. R., AuthorHollowood, D. L., AuthorHonscheid, K., AuthorJames, D. J., AuthorKuehn, K., AuthorKuropatkin, N., AuthorLima, M., AuthorMaia, M. A. G., AuthorMarch, M., AuthorMartini, P., AuthorMelchior, P., AuthorMenanteau, F., AuthorMiquel, R., AuthorOgando, R. L. C., AuthorPaz-Chinchón, F., AuthorPlazas, A. A., AuthorRomer, A. K., AuthorRoodman, A., AuthorSanchez, E., AuthorScarpine, V., AuthorSerrano, S., AuthorSuchyta, E., AuthorSwanson, M. E. C., AuthorTarle, G., AuthorThomas, D., AuthorTucker, D. L., AuthorVarga, T. N.1, Author              Walker, A. R., AuthorWilkinson, R. D., Author more..
Affiliations:
1Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159895              

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 Abstract: The 5-yr Dark Energy Survey Supernova Programme (DES-SN) is one of the largest and deepest transient surveys to date in terms of volume and number of supernovae. Identifying and characterizing the host galaxies of transients plays a key role in their classification, the study of their formation mechanisms, and the cosmological analyses. To derive accurate host galaxy properties, we create depth-optimized coadds using single-epoch DES-SN images that are selected based on sky and atmospheric conditions. For each of the five DES-SN seasons, a separate coadd is made from the other four seasons such that each SN has a corresponding deep coadd with no contaminating SN emission. The coadds reach limiting magnitudes of order ∼27 in g band, and have a much smaller magnitude uncertainty than the previous DES-SN host templates, particularly for faint objects. We present the resulting multiband photometry of host galaxies for samples of spectroscopically confirmed type Ia (SNe Ia), core-collapse (CCSNe), and superluminous (SLSNe) as well as rapidly evolving transients (RETs) discovered by DES-SN. We derive host galaxy stellar masses and probabilistically compare stellar-mass distributions to samples from other surveys. We find that the DES spectroscopically confirmed sample of SNe Ia selects preferentially fewer high-mass hosts at high-redshift compared to other surveys, while at low redshift the distributions are consistent. DES CCSNe and SLSNe hosts are similar to other samples, while RET hosts are unlike the hosts of any other transients, although these differences have not been disentangled from selection effects.

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 Dates: 2020-05-19
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1093/mnras/staa1302
Other: LOCALID: 3251829
 Degree: -

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Title: Monthly Notices of the Royal Astronomical Society
  Other : Mon. Not. R. Astron. Soc.
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: 495 (4) Sequence Number: - Start / End Page: 4040 - 4060 Identifier: ISSN: 1365-8711
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000024150