Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: The big brother of SN 1998S

T. Kangas, S. Mattila, E. Kankare, P. Lundqvist, P. Väisänen, M. Childress, G. Pignata, C. McCully, S. Valenti, J. Vinkó, A. Pastorello, N. Elias-Rosa, M. Fraser, A. Gal-Yam, R. Kotak, J. K. Kotilainen, S. J. Smartt, L. Galbany, J. Harmanen, D. A. HowellC. Inserra, G. H. Marion, R. M. Quimby, J. M. Silverman, T. Szalai, J. C. Wheeler, C. Ashall, S. Benetti, C. Romero-Cañizales, K. W. Smith, M. Sullivan, K. Takáts, D. R. Young

Research output: Contribution to journalArticle

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Abstract

We present photometric and spectroscopic observations of SN 2013fc, a bright type II supernova (SN) in a circumnuclear star-forming ring in the luminous infrared galaxy ESO 154-G010, observed as part of the Public ESO Spectroscopic Survey of Transient Objects. SN 2013fc is both photometrically and spectroscopically similar to the well-studied type IIn SN 1998S and to the bright type II-L SN 1979C. It exhibits an initial linear decline, followed by a short plateau phase and a tail phase with a decline too fast for 56Co decay with full γ -ray trapping. Initially, the spectrum was blue and featureless. Later on, a strong broad (~8000 km s-1) H α emission profile became prominent. We apply a STARLIGHT stellar population model fit to the SN location (observed when the SN had faded) to estimate a high extinction of AV = 2.9 ± 0.2 mag and an age of 10+3 -2 Myr for the underlying cluster.We compare the SN to SNe 1998S and 1979C and discuss its possible progenitor star considering the similarities to these events. With a peak brightness of B = -20.46 ± 0.21 mag, SN 2013fc is 0.9 mag brighter than SN 1998S and of comparable brightness to SN 1979C.We suggest that SN 2013fc was consistent with a massive red supergiant (RSG) progenitor. Recent mass loss probably due to a strong RSG wind created the circumstellar matter illuminated through its interaction with the SN ejecta. We also observe a near-infrared excess, possibly due to newly condensed dust.

Original languageEnglish
Pages (from-to)323-346
Number of pages24
JournalMonthly Notices of the Royal Astronomical Society
Volume456
Issue number1
DOIs
Publication statusPublished - 2016

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ejecta
trapping
supernovae
near infrared
extinction
plateau
galaxies
dust
rings
European Southern Observatory
public
loss
brightness
stellar envelopes
stars
plateaus
rays

Keywords

  • Galaxies: starburst
  • Supernovae: general
  • Supernovae: individual: 2013fc

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Kangas, T., Mattila, S., Kankare, E., Lundqvist, P., Väisänen, P., Childress, M., ... Young, D. R. (2016). Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: The big brother of SN 1998S. Monthly Notices of the Royal Astronomical Society, 456(1), 323-346. https://doi.org/10.1093/mnras/stv2567

Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy : The big brother of SN 1998S. / Kangas, T.; Mattila, S.; Kankare, E.; Lundqvist, P.; Väisänen, P.; Childress, M.; Pignata, G.; McCully, C.; Valenti, S.; Vinkó, J.; Pastorello, A.; Elias-Rosa, N.; Fraser, M.; Gal-Yam, A.; Kotak, R.; Kotilainen, J. K.; Smartt, S. J.; Galbany, L.; Harmanen, J.; Howell, D. A.; Inserra, C.; Marion, G. H.; Quimby, R. M.; Silverman, J. M.; Szalai, T.; Wheeler, J. C.; Ashall, C.; Benetti, S.; Romero-Cañizales, C.; Smith, K. W.; Sullivan, M.; Takáts, K.; Young, D. R.

In: Monthly Notices of the Royal Astronomical Society, Vol. 456, No. 1, 2016, p. 323-346.

Research output: Contribution to journalArticle

Kangas, T, Mattila, S, Kankare, E, Lundqvist, P, Väisänen, P, Childress, M, Pignata, G, McCully, C, Valenti, S, Vinkó, J, Pastorello, A, Elias-Rosa, N, Fraser, M, Gal-Yam, A, Kotak, R, Kotilainen, JK, Smartt, SJ, Galbany, L, Harmanen, J, Howell, DA, Inserra, C, Marion, GH, Quimby, RM, Silverman, JM, Szalai, T, Wheeler, JC, Ashall, C, Benetti, S, Romero-Cañizales, C, Smith, KW, Sullivan, M, Takáts, K & Young, DR 2016, 'Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: The big brother of SN 1998S', Monthly Notices of the Royal Astronomical Society, vol. 456, no. 1, pp. 323-346. https://doi.org/10.1093/mnras/stv2567
Kangas, T. ; Mattila, S. ; Kankare, E. ; Lundqvist, P. ; Väisänen, P. ; Childress, M. ; Pignata, G. ; McCully, C. ; Valenti, S. ; Vinkó, J. ; Pastorello, A. ; Elias-Rosa, N. ; Fraser, M. ; Gal-Yam, A. ; Kotak, R. ; Kotilainen, J. K. ; Smartt, S. J. ; Galbany, L. ; Harmanen, J. ; Howell, D. A. ; Inserra, C. ; Marion, G. H. ; Quimby, R. M. ; Silverman, J. M. ; Szalai, T. ; Wheeler, J. C. ; Ashall, C. ; Benetti, S. ; Romero-Cañizales, C. ; Smith, K. W. ; Sullivan, M. ; Takáts, K. ; Young, D. R. / Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy : The big brother of SN 1998S. In: Monthly Notices of the Royal Astronomical Society. 2016 ; Vol. 456, No. 1. pp. 323-346.
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T1 - Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy

T2 - The big brother of SN 1998S

AU - Kangas, T.

AU - Mattila, S.

AU - Kankare, E.

AU - Lundqvist, P.

AU - Väisänen, P.

AU - Childress, M.

AU - Pignata, G.

AU - McCully, C.

AU - Valenti, S.

AU - Vinkó, J.

AU - Pastorello, A.

AU - Elias-Rosa, N.

AU - Fraser, M.

AU - Gal-Yam, A.

AU - Kotak, R.

AU - Kotilainen, J. K.

AU - Smartt, S. J.

AU - Galbany, L.

AU - Harmanen, J.

AU - Howell, D. A.

AU - Inserra, C.

AU - Marion, G. H.

AU - Quimby, R. M.

AU - Silverman, J. M.

AU - Szalai, T.

AU - Wheeler, J. C.

AU - Ashall, C.

AU - Benetti, S.

AU - Romero-Cañizales, C.

AU - Smith, K. W.

AU - Sullivan, M.

AU - Takáts, K.

AU - Young, D. R.

PY - 2016

Y1 - 2016

N2 - We present photometric and spectroscopic observations of SN 2013fc, a bright type II supernova (SN) in a circumnuclear star-forming ring in the luminous infrared galaxy ESO 154-G010, observed as part of the Public ESO Spectroscopic Survey of Transient Objects. SN 2013fc is both photometrically and spectroscopically similar to the well-studied type IIn SN 1998S and to the bright type II-L SN 1979C. It exhibits an initial linear decline, followed by a short plateau phase and a tail phase with a decline too fast for 56Co decay with full γ -ray trapping. Initially, the spectrum was blue and featureless. Later on, a strong broad (~8000 km s-1) H α emission profile became prominent. We apply a STARLIGHT stellar population model fit to the SN location (observed when the SN had faded) to estimate a high extinction of AV = 2.9 ± 0.2 mag and an age of 10+3 -2 Myr for the underlying cluster.We compare the SN to SNe 1998S and 1979C and discuss its possible progenitor star considering the similarities to these events. With a peak brightness of B = -20.46 ± 0.21 mag, SN 2013fc is 0.9 mag brighter than SN 1998S and of comparable brightness to SN 1979C.We suggest that SN 2013fc was consistent with a massive red supergiant (RSG) progenitor. Recent mass loss probably due to a strong RSG wind created the circumstellar matter illuminated through its interaction with the SN ejecta. We also observe a near-infrared excess, possibly due to newly condensed dust.

AB - We present photometric and spectroscopic observations of SN 2013fc, a bright type II supernova (SN) in a circumnuclear star-forming ring in the luminous infrared galaxy ESO 154-G010, observed as part of the Public ESO Spectroscopic Survey of Transient Objects. SN 2013fc is both photometrically and spectroscopically similar to the well-studied type IIn SN 1998S and to the bright type II-L SN 1979C. It exhibits an initial linear decline, followed by a short plateau phase and a tail phase with a decline too fast for 56Co decay with full γ -ray trapping. Initially, the spectrum was blue and featureless. Later on, a strong broad (~8000 km s-1) H α emission profile became prominent. We apply a STARLIGHT stellar population model fit to the SN location (observed when the SN had faded) to estimate a high extinction of AV = 2.9 ± 0.2 mag and an age of 10+3 -2 Myr for the underlying cluster.We compare the SN to SNe 1998S and 1979C and discuss its possible progenitor star considering the similarities to these events. With a peak brightness of B = -20.46 ± 0.21 mag, SN 2013fc is 0.9 mag brighter than SN 1998S and of comparable brightness to SN 1979C.We suggest that SN 2013fc was consistent with a massive red supergiant (RSG) progenitor. Recent mass loss probably due to a strong RSG wind created the circumstellar matter illuminated through its interaction with the SN ejecta. We also observe a near-infrared excess, possibly due to newly condensed dust.

KW - Galaxies: starburst

KW - Supernovae: general

KW - Supernovae: individual: 2013fc

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