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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary
Science, Volume 362, No. 6411, Year 2018
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Description
Compact neutron star binary systems are produced from binary massive stars through stellar evolution involving up to two supernova explosions.The final stages in the formation of these systems have not been directly observed. We report the discovery of iPTF 14gqr (SN 2014ft), a type Ic supernova with a fast-evolving light curve indicating an extremely low ejecta mass (≈0.2 solar masses) and low kinetic energy (≈2 × 1050 ergs). Early photometry and spectroscopy reveal evidence of shock cooling of an extended helium-rich envelope, likely ejected in an intense pre-explosion mass-loss episode of the progenitor. Taken together, we interpret iPTF 14gqr as evidence for ultra-stripped supernovae that form neutron stars in compact binary systems. © 2018 American Association for the Advancement of Science. All Rights Reserved.
Authors & Co-Authors
De, Kishalay
United States, Pasadena
California Institute of Technology
Kasliwal, Rachna
United States, Pasadena
California Institute of Technology
Ofek, Eran O.
Israel, Rehovot
Weizmann Institute of Science Israel
Moriya, Takashi J.
Japan, Minato
National Institutes of Natural Sciences
Burke, Jamison F.
United States, Santa Barbara
Las Cumbres Observatory Global Telescope Network, Inc
United States, Santa Barbara
University of California, Santa Barbara
Cao, Yi
United States, Seattle
University of Washington
Cenko, Stephen Bradley
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Fender, Robert P.
United Kingdom, Oxford
University of Oxford
Fransson, Claes
Sweden, Stockholm
Oskar Klein Centre
Gal-Yam, Avishay
Israel, Rehovot
Weizmann Institute of Science Israel
Horesh, Assaf
Israel, Jerusalem
Hebrew University of Jerusalem
Kulkarni, Shrinivas R.
United States, Pasadena
California Institute of Technology
Laher, Russ R.
Unknown Affiliation
Lunnan, Ragnhild
Sweden, Stockholm
Oskar Klein Centre
Manulis, Ilan
Israel, Rehovot
Weizmann Institute of Science Israel
Masci, Frank J.
Unknown Affiliation
Mazzali, Paolo A.
United Kingdom, Liverpool
Liverpool John Moores University
Germany, Garching Bei Munchen
Max Planck Institute for Astrophysics
Nugent, Peter E.
United States, Berkeley
Lawrence Berkeley National Laboratory
United States, Berkeley
University of California, Berkeley
Perley, Daniel A.
United Kingdom, Liverpool
Liverpool John Moores University
Petrushevska, T.
Sweden, Stockholm
Oskar Klein Centre
Slovenia, Nova Gorica
University of Nova Gorica
Piro, Anthony L.
United States, Pasadena
Carnegie Observatories
Rumsey, Clare
United Kingdom, Cambridge
Department of Physics
Sollerman, Jesper
Sweden, Stockholm
Oskar Klein Centre
Sullivan, Mark
United Kingdom, Southampton
University of Southampton
Taddia, Francesco
Sweden, Stockholm
Oskar Klein Centre
Statistics
Citations: 74
Authors: 25
Affiliations: 19
Identifiers
Doi:
10.1126/science.aas8693
ISSN:
00368075