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Galex detection of shock breakout in type IIP supernova PS1-13arp: Implications for the progenitor star wind

Publication ,  Journal Article
Gezari, S; Jones, DO; Sanders, NE; Soderberg, AM; Hung, T; Heinis, S; Smartt, SJ; Rest, A; Scolnic, D; Chornock, R; Berger, E; Foley, RJ ...
Published in: Astrophysical Journal
May 1, 2015

We present the GALEX detection of a UV burst at the time of explosion of an optically normal supernova (SN) IIP (PS1-13arp) from the Pan-STARRS1 survey at z = 0.1665. The temperature and luminosity of the UV burst match the theoretical predictions for shock breakout in a red supergiant (RSG), but with a duration a factor of ∼50 longer than expected. We compare the NUV light curve of PS1-13arp to previous GALEX detections of SNe IIP and find clear distinctions that indicate that the UV emission is powered by shock breakout, and not by the subsequent cooling envelope emission previously detected in these systems. We interpret the ∼1 day duration of the UV signal with a shock breakout in the wind of an RSG with a pre-explosion mass-loss rate of yr-1. This mass-loss rate is enough to prolong the duration of the shock breakout signal, but not enough to produce an excess in the optical plateau light curve or narrow emission lines powered by circumstellar interaction. This detection of non-standard, potentially episodic high mass loss in an RSG SN progenitor has favorable consequences for the prospects of future wide-field UV surveys to detect shock breakout directly in these systems, and provide a sensitive probe of the pre-explosion conditions of SN progenitors.

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Published In

Astrophysical Journal

DOI

EISSN

1538-4357

ISSN

0004-637X

Publication Date

May 1, 2015

Volume

804

Issue

1

Related Subject Headings

  • Astronomy & Astrophysics
  • 5109 Space sciences
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 0306 Physical Chemistry (incl. Structural)
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Gezari, S., Jones, D. O., Sanders, N. E., Soderberg, A. M., Hung, T., Heinis, S., … Wainscoat, R. (2015). Galex detection of shock breakout in type IIP supernova PS1-13arp: Implications for the progenitor star wind. Astrophysical Journal, 804(1). https://doi.org/10.1088/0004-637X/804/1/28
Gezari, S., D. O. Jones, N. E. Sanders, A. M. Soderberg, T. Hung, S. Heinis, S. J. Smartt, et al. “Galex detection of shock breakout in type IIP supernova PS1-13arp: Implications for the progenitor star wind.” Astrophysical Journal 804, no. 1 (May 1, 2015). https://doi.org/10.1088/0004-637X/804/1/28.
Gezari S, Jones DO, Sanders NE, Soderberg AM, Hung T, Heinis S, et al. Galex detection of shock breakout in type IIP supernova PS1-13arp: Implications for the progenitor star wind. Astrophysical Journal. 2015 May 1;804(1).
Gezari, S., et al. “Galex detection of shock breakout in type IIP supernova PS1-13arp: Implications for the progenitor star wind.” Astrophysical Journal, vol. 804, no. 1, May 2015. Scopus, doi:10.1088/0004-637X/804/1/28.
Gezari S, Jones DO, Sanders NE, Soderberg AM, Hung T, Heinis S, Smartt SJ, Rest A, Scolnic D, Chornock R, Berger E, Foley RJ, Huber ME, Price P, Stubbs CW, Riess AG, Kirshner RP, Smith K, Wood-Vasey WM, Schiminovich D, Martin DC, Burgett WS, Chambers KC, Flewelling H, Kaiser N, Tonry JL, Wainscoat R. Galex detection of shock breakout in type IIP supernova PS1-13arp: Implications for the progenitor star wind. Astrophysical Journal. 2015 May 1;804(1).
Journal cover image

Published In

Astrophysical Journal

DOI

EISSN

1538-4357

ISSN

0004-637X

Publication Date

May 1, 2015

Volume

804

Issue

1

Related Subject Headings

  • Astronomy & Astrophysics
  • 5109 Space sciences
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 0306 Physical Chemistry (incl. Structural)
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences