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Title: A strong ultraviolet pulse from a newborn type Ia supernova

Abstract

Type Ia supernovae are destructive explosions of carbon-oxygen white dwarfs. Although they are used empirically to measure cosmological distances, the nature of their progenitors remains mysterious. One of the leading progenitor models, called the single degenerate channel, hypothesizes that a white dwarf accretes matter from a companion star and the resulting increase in its central pressure and temperature ignites thermonuclear explosion. Here in this paper, we report observations with the Swift Space Telescope of strong but declining ultraviolet emission from a type Ia supernova within four days of its explosion. This emission is consistent with theoretical expectations of collision between material ejected by the supernova and a companion star, and therefore provides evidence that some type Ia supernovae arise from the single degenerate channel.

Authors:
 [1];  [1];  [2];  [3];  [4];  [2];  [5];  [5];  [5];  [5];  [5];  [3];  [3];  [6];  [7];  [2];  [1]; ORCiD logo [8];  [8];  [1] more »;  [1];  [6] « less
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  2. Las Cumbres Observatory Global Telescope Network, Goleta, CA (United States); Univ. of California, Santa Barbara, CA (United States)
  3. Weizmann Inst. of Science, Rehovot (Israel)
  4. Observatories of the Carnegie Institution for Science, Pasadena, CA (United States)
  5. Stockholm Univ. (Sweden)
  6. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  7. Univ. of California, Berkeley, CA (United States)
  8. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC); USDOE Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1471327
Report Number(s):
LA-UR-14-29046
Journal ID: ISSN 0028-0836
Grant/Contract Number:  
AC52-06NA25396; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Nature (London)
Additional Journal Information:
Journal Name: Nature (London); Journal Volume: 521; Journal Issue: 7552; Journal ID: ISSN 0028-0836
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Astronomy and Astrophysics

Citation Formats

Cao, Yi, Kulkarni, S. R., Howell, D. Andrew, Gal-Yam, Avishay, Kasliwal, Mansi M., Valenti, Stefano, Johansson, J., Amanullah, R., Goobar, A., Sollerman, J., Taddia, F., Horesh, Assaf, Sagiv, Ilan, Cenko, S. Bradley, Nugent, Peter E., Arcavi, Iair, Surace, Jason, Woźniak, Przemyslaw R., Moody, Daniela Irina, Rebbapragada, Umaa D., Bue, Brian D., and Gehrels, Neil. A strong ultraviolet pulse from a newborn type Ia supernova. United States: N. p., 2015. Web. doi:10.1038/nature14440.
Cao, Yi, Kulkarni, S. R., Howell, D. Andrew, Gal-Yam, Avishay, Kasliwal, Mansi M., Valenti, Stefano, Johansson, J., Amanullah, R., Goobar, A., Sollerman, J., Taddia, F., Horesh, Assaf, Sagiv, Ilan, Cenko, S. Bradley, Nugent, Peter E., Arcavi, Iair, Surace, Jason, Woźniak, Przemyslaw R., Moody, Daniela Irina, Rebbapragada, Umaa D., Bue, Brian D., & Gehrels, Neil. A strong ultraviolet pulse from a newborn type Ia supernova. United States. doi:10.1038/nature14440.
Cao, Yi, Kulkarni, S. R., Howell, D. Andrew, Gal-Yam, Avishay, Kasliwal, Mansi M., Valenti, Stefano, Johansson, J., Amanullah, R., Goobar, A., Sollerman, J., Taddia, F., Horesh, Assaf, Sagiv, Ilan, Cenko, S. Bradley, Nugent, Peter E., Arcavi, Iair, Surace, Jason, Woźniak, Przemyslaw R., Moody, Daniela Irina, Rebbapragada, Umaa D., Bue, Brian D., and Gehrels, Neil. Thu . "A strong ultraviolet pulse from a newborn type Ia supernova". United States. doi:10.1038/nature14440. https://www.osti.gov/servlets/purl/1471327.
@article{osti_1471327,
title = {A strong ultraviolet pulse from a newborn type Ia supernova},
author = {Cao, Yi and Kulkarni, S. R. and Howell, D. Andrew and Gal-Yam, Avishay and Kasliwal, Mansi M. and Valenti, Stefano and Johansson, J. and Amanullah, R. and Goobar, A. and Sollerman, J. and Taddia, F. and Horesh, Assaf and Sagiv, Ilan and Cenko, S. Bradley and Nugent, Peter E. and Arcavi, Iair and Surace, Jason and Woźniak, Przemyslaw R. and Moody, Daniela Irina and Rebbapragada, Umaa D. and Bue, Brian D. and Gehrels, Neil},
abstractNote = {Type Ia supernovae are destructive explosions of carbon-oxygen white dwarfs. Although they are used empirically to measure cosmological distances, the nature of their progenitors remains mysterious. One of the leading progenitor models, called the single degenerate channel, hypothesizes that a white dwarf accretes matter from a companion star and the resulting increase in its central pressure and temperature ignites thermonuclear explosion. Here in this paper, we report observations with the Swift Space Telescope of strong but declining ultraviolet emission from a type Ia supernova within four days of its explosion. This emission is consistent with theoretical expectations of collision between material ejected by the supernova and a companion star, and therefore provides evidence that some type Ia supernovae arise from the single degenerate channel.},
doi = {10.1038/nature14440},
journal = {Nature (London)},
number = 7552,
volume = 521,
place = {United States},
year = {2015},
month = {5}
}

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    Works referencing / citing this record:

    Evidence for a Chandrasekhar-mass explosion in the Ca-strong 1991bg-like type Ia supernova 2016hnk
    journal, September 2019