DES15E2mlf: A spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang

Y. C. Pan; R. J. Foley; M. Smith; L. Galbany; C. B. D'Andrea; S. Gonzalez-Gaitan; M. J. Jarvis; R. Kessler; E. Kovacs; C. Lidman; R. C. Nichol; A. Papadopoulos; M. Sako; M. Sullivan; T. M.C. Abbott; F. B. Abdalla; J. Annis; K. Bechtol; A. Benoit-Levy; D. Brooks; E. Buckley-Geer; D. L. Burke; A. Carnero Rosell; M. Carrasco Kind; J. Carretero; F. J. Castander; C. E. Cunha; L. N. Da Costa; S. Desai; H. T. Diehl; P. Doel; T. F. Eifler; D. A. Finley; B. Flaugher; J. Frieman; J. Garcia-Bellido; D. A. Goldstein; D. Gruen; R. A. Gruendl; J. Gschwend; G. Gutierrez; D. J. James; A. G. Kim; E. Krause; K. Kuehn; N. Kuropatkin; O. Lahav; M. Lima; M. A.G. Maia; M. March; J. L. Marshall; P. Martini; R. Miquel; P. Nugent; A. A. Plazas; A. K. Romer; E. Sanchez; V. Scarpine; M. Schubnell; I. Sevilla-Noarbe; R. C. Smith; F. Sobreira; E. Suchyta; M. E.C. Swanson; R. C. Thomas; A. R. Walker

doi:10.1093/mnras/stx1467

DES15E2mlf: A spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang

Y. C. Pan, R. J. Foley, M. Smith, L. Galbany, C. B. D'Andrea, S. Gonzalez-Gaitan, M. J. Jarvis, R. Kessler, E. Kovacs, C. Lidman, R. C. Nichol, A. Papadopoulos, M. Sako, M. Sullivan, T. M.C. Abbott, F. B. Abdalla, J. Annis, K. Bechtol, A. Benoit-Levy, D. BrooksE. Buckley-Geer, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, F. J. Castander, C. E. Cunha, L. N. Da Costa, S. Desai, H. T. Diehl, P. Doel, T. F. Eifler, D. A. Finley, B. Flaugher, J. Frieman, J. Garcia-Bellido, D. A. Goldstein, D. Gruen, R. A. Gruendl, J. Gschwend, G. Gutierrez, D. J. James, A. G. Kim, E. Krause, K. Kuehn, N. Kuropatkin, O. Lahav, M. Lima, M. A.G. Maia, M. March, J. L. Marshall, P. Martini, R. Miquel, P. Nugent, A. A. Plazas, A. K. Romer, E. Sanchez, V. Scarpine, M. Schubnell, I. Sevilla-Noarbe, R. C. Smith, F. Sobreira, E. Suchyta, M. E.C. Swanson, R. C. Thomas, A. R. Walker

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Abstract

We present the Dark Energy Survey (DES) discovery of DES15E2mlf, the most distant superluminous supernova (SLSN) spectroscopically confirmed to date. The light curves and Gemini spectroscopy of DES15E2mlf indicate that it is a Type I superluminous supernova (SLSN-I) at z = 1.861 (a lookback time of ~10 Gyr) and peaking at M_AB = -22.3 ± 0.1 mag. Given the high redshift, our data probe the rest-frame ultraviolet (1400-3500 Å) properties of the SN, finding velocity of the C III feature changes by ~5600 km s-1 over 14 d around maximum light. We find the host galaxy of DES15E2mlf has a stellar mass of 3.5^+3.6_-2.4 × 10⁹ M_⊙, which is more massive than the typical SLSN-I host galaxy.

Original language	English
Pages (from-to)	4241-4250
Number of pages	10
Journal	Monthly Notices of the Royal Astronomical Society
Volume	470
Issue number	4
DOIs	https://doi.org/10.1093/mnras/stx1467
State	Published - Oct 1 2017

Funding

Funding for the DES Projects has been provided by the US Department of Energy, the US National Science Foundation, the Ministry of Science and Education of Spain, the Science and Technology Facilities Council of the United Kingdom, the Higher Education Funding Council for England, the National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign, the Kavli Institute of Cosmological Physics at the University of Chicago, the Center for Cosmology and Astro-Particle Physics at the Ohio State University, the Mitchell Institute for Fundamental Physics and Astronomy at Texas A&M University, Financiadora de Estudos e Projetos, Fundac\u00B8\u00E3o Carlos Chagas Filho de Amparo \u00E0 Pesquisa do Estado do Rio de Janeiro, Conselho Na-cional de Desenvolvimento Cient\u00EDfico e Tecnol\u00F3gico and the Min-ist\u00E9rio da Ci\u00EAncia, Tecnologia e Inovac\u00B8\u00E3o, the Deutsche Forschungs-gemeinschaft and the Collaborating Institutions in the Dark Energy Survey. 1The Image Reduction and Analysis Facility (IRAF) is distributed by the National Optical Astronomy Observatories, which are operated by the Association of Universities for Research in Astronomy, Inc., under cooperative agreement with the National Science Foundation. The DES data management system is supported by the National Science Foundation under Grant Number AST-1138766. The DES participants from Spanish institutions are partially supported by MINECO under grants AYA2012-39559, ESP2013-48274, FPA2013-47986 and Centro de Excelencia Severo Ochoa SEV-2012-0234. Research leading to these results has received funding from the European Research Council under the European Unions Seventh Framework Programme (FP7/2007-2013) including ERC grant agreements 240672, 291329 and 306478. Y-CP and RJF are supported, in part, by NSF grant AST-1518052. Y-CP thanks T-W Chen for helpful discussions and comments. RJF gratefully acknowledges support from the Alfred P. Sloan Foundation and the David and Lucile Packard Foundation. LG was supported in part by the US National Science Foundation under Grant AST-1311862. MJJ acknowledges support from the UK STFC [ST/N000919/1]. MS acknowledges support from EU/FP7-ERC grant number 615929.

Keywords

Supernovae: general
Supernovae: individual: DES15E2mlf

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10.1093/mnras/stx1467

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Pan, Y. C., Foley, R. J., Smith, M., Galbany, L., D'Andrea, C. B., Gonzalez-Gaitan, S., Jarvis, M. J., Kessler, R., Kovacs, E., Lidman, C., Nichol, R. C., Papadopoulos, A., Sako, M., Sullivan, M., Abbott, T. M. C., Abdalla, F. B., Annis, J., Bechtol, K., Benoit-Levy, A., ... Walker, A. R. (2017). DES15E2mlf: A spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang. Monthly Notices of the Royal Astronomical Society, 470(4), 4241-4250. https://doi.org/10.1093/mnras/stx1467

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title = "DES15E2mlf: A spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang",

abstract = "We present the Dark Energy Survey (DES) discovery of DES15E2mlf, the most distant superluminous supernova (SLSN) spectroscopically confirmed to date. The light curves and Gemini spectroscopy of DES15E2mlf indicate that it is a Type I superluminous supernova (SLSN-I) at z = 1.861 (a lookback time of ~10 Gyr) and peaking at MAB = -22.3 ± 0.1 mag. Given the high redshift, our data probe the rest-frame ultraviolet (1400-3500 {\AA}) properties of the SN, finding velocity of the C III feature changes by ~5600 km s-1 over 14 d around maximum light. We find the host galaxy of DES15E2mlf has a stellar mass of 3.5+3.6-2.4 × 109 M⊙, which is more massive than the typical SLSN-I host galaxy.",

keywords = "Supernovae: general, Supernovae: individual: DES15E2mlf",

author = "Pan, {Y. C.} and Foley, {R. J.} and M. Smith and L. Galbany and D'Andrea, {C. B.} and S. Gonzalez-Gaitan and Jarvis, {M. J.} and R. Kessler and E. Kovacs and C. Lidman and Nichol, {R. C.} and A. Papadopoulos and M. Sako and M. Sullivan and Abbott, {T. M.C.} and Abdalla, {F. B.} and J. Annis and K. Bechtol and A. Benoit-Levy and D. Brooks and E. Buckley-Geer and Burke, {D. L.} and Rosell, {A. Carnero} and Kind, {M. Carrasco} and J. Carretero and Castander, {F. J.} and Cunha, {C. E.} and {Da Costa}, {L. N.} and S. Desai and Diehl, {H. T.} and P. Doel and Eifler, {T. F.} and Finley, {D. A.} and B. Flaugher and J. Frieman and J. Garcia-Bellido and Goldstein, {D. A.} and D. Gruen and Gruendl, {R. A.} and J. Gschwend and G. Gutierrez and James, {D. J.} and Kim, {A. G.} and E. Krause and K. Kuehn and N. Kuropatkin and O. Lahav and M. Lima and Maia, {M. A.G.} and M. March and Marshall, {J. L.} and P. Martini and R. Miquel and P. Nugent and Plazas, {A. A.} and Romer, {A. K.} and E. Sanchez and V. Scarpine and M. Schubnell and I. Sevilla-Noarbe and Smith, {R. C.} and F. Sobreira and E. Suchyta and Swanson, {M. E.C.} and Thomas, {R. C.} and Walker, {A. R.}",

year = "2017",

month = oct,

day = "1",

doi = "10.1093/mnras/stx1467",

language = "English",

volume = "470",

pages = "4241--4250",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "4",

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Pan, YC, Foley, RJ, Smith, M, Galbany, L, D'Andrea, CB, Gonzalez-Gaitan, S, Jarvis, MJ, Kessler, R, Kovacs, E, Lidman, C, Nichol, RC, Papadopoulos, A, Sako, M, Sullivan, M, Abbott, TMC, Abdalla, FB, Annis, J, Bechtol, K, Benoit-Levy, A, Brooks, D, Buckley-Geer, E, Burke, DL, Rosell, AC, Kind, MC, Carretero, J, Castander, FJ, Cunha, CE, Da Costa, LN, Desai, S, Diehl, HT, Doel, P, Eifler, TF, Finley, DA, Flaugher, B, Frieman, J, Garcia-Bellido, J, Goldstein, DA, Gruen, D, Gruendl, RA, Gschwend, J, Gutierrez, G, James, DJ, Kim, AG, Krause, E, Kuehn, K, Kuropatkin, N, Lahav, O, Lima, M, Maia, MAG, March, M, Marshall, JL, Martini, P, Miquel, R, Nugent, P, Plazas, AA, Romer, AK, Sanchez, E, Scarpine, V, Schubnell, M, Sevilla-Noarbe, I, Smith, RC, Sobreira, F, Suchyta, E, Swanson, MEC, Thomas, RC & Walker, AR 2017, 'DES15E2mlf: A spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang', Monthly Notices of the Royal Astronomical Society, vol. 470, no. 4, pp. 4241-4250. https://doi.org/10.1093/mnras/stx1467

TY - JOUR

T1 - DES15E2mlf

T2 - A spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang

AU - Pan, Y. C.

AU - Foley, R. J.

AU - Smith, M.

AU - Galbany, L.

AU - D'Andrea, C. B.

AU - Gonzalez-Gaitan, S.

AU - Jarvis, M. J.

AU - Kessler, R.

AU - Kovacs, E.

AU - Lidman, C.

AU - Nichol, R. C.

AU - Papadopoulos, A.

AU - Sako, M.

AU - Sullivan, M.

AU - Abbott, T. M.C.

AU - Abdalla, F. B.

AU - Annis, J.

AU - Bechtol, K.

AU - Benoit-Levy, A.

AU - Brooks, D.

AU - Buckley-Geer, E.

AU - Burke, D. L.

AU - Rosell, A. Carnero

AU - Kind, M. Carrasco

AU - Carretero, J.

AU - Castander, F. J.

AU - Cunha, C. E.

AU - Da Costa, L. N.

AU - Desai, S.

AU - Diehl, H. T.

AU - Doel, P.

AU - Eifler, T. F.

AU - Finley, D. A.

AU - Flaugher, B.

AU - Frieman, J.

AU - Garcia-Bellido, J.

AU - Goldstein, D. A.

AU - Gruen, D.

AU - Gruendl, R. A.

AU - Gschwend, J.

AU - Gutierrez, G.

AU - James, D. J.

AU - Kim, A. G.

AU - Krause, E.

AU - Kuehn, K.

AU - Kuropatkin, N.

AU - Lahav, O.

AU - Lima, M.

AU - Maia, M. A.G.

AU - March, M.

AU - Marshall, J. L.

AU - Martini, P.

AU - Miquel, R.

AU - Nugent, P.

AU - Plazas, A. A.

AU - Romer, A. K.

AU - Sanchez, E.

AU - Scarpine, V.

AU - Schubnell, M.

AU - Sevilla-Noarbe, I.

AU - Smith, R. C.

AU - Sobreira, F.

AU - Suchyta, E.

AU - Swanson, M. E.C.

AU - Thomas, R. C.

AU - Walker, A. R.

PY - 2017/10/1

Y1 - 2017/10/1

N2 - We present the Dark Energy Survey (DES) discovery of DES15E2mlf, the most distant superluminous supernova (SLSN) spectroscopically confirmed to date. The light curves and Gemini spectroscopy of DES15E2mlf indicate that it is a Type I superluminous supernova (SLSN-I) at z = 1.861 (a lookback time of ~10 Gyr) and peaking at MAB = -22.3 ± 0.1 mag. Given the high redshift, our data probe the rest-frame ultraviolet (1400-3500 Å) properties of the SN, finding velocity of the C III feature changes by ~5600 km s-1 over 14 d around maximum light. We find the host galaxy of DES15E2mlf has a stellar mass of 3.5+3.6-2.4 × 109 M⊙, which is more massive than the typical SLSN-I host galaxy.

AB - We present the Dark Energy Survey (DES) discovery of DES15E2mlf, the most distant superluminous supernova (SLSN) spectroscopically confirmed to date. The light curves and Gemini spectroscopy of DES15E2mlf indicate that it is a Type I superluminous supernova (SLSN-I) at z = 1.861 (a lookback time of ~10 Gyr) and peaking at MAB = -22.3 ± 0.1 mag. Given the high redshift, our data probe the rest-frame ultraviolet (1400-3500 Å) properties of the SN, finding velocity of the C III feature changes by ~5600 km s-1 over 14 d around maximum light. We find the host galaxy of DES15E2mlf has a stellar mass of 3.5+3.6-2.4 × 109 M⊙, which is more massive than the typical SLSN-I host galaxy.

KW - Supernovae: general

KW - Supernovae: individual: DES15E2mlf

UR - http://www.scopus.com/inward/record.url?scp=85040647389&partnerID=8YFLogxK

U2 - 10.1093/mnras/stx1467

DO - 10.1093/mnras/stx1467

M3 - Article

AN - SCOPUS:85040647389

SN - 0035-8711

VL - 470

SP - 4241

EP - 4250

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

DES15E2mlf: A spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang

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