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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 M_AB = -22.3 +/- 0.1 mag. Given the high redshift, our data probe the rest-frame ultraviolet (1400-3500 A) properties of the SN, finding velocity of the C III feature change...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1093/mnras/stx1467

Authors


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National Science Foundation More from this funder
Alfred P. Sloan Foundation More from this funder
David and Lucile Packard Foundation More from this funder
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Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
470
Issue:
4
Pages:
4241-4250
Publication date:
2017-06-05
Acceptance date:
2017-06-08
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Pubs id:
pubs:727849
URN:
uri:4bb58206-aa8d-494c-82b9-a183efbe414e
UUID:
uuid:4bb58206-aa8d-494c-82b9-a183efbe414e
Local pid:
pubs:727849

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