Discovery and Observations of the Unusually Luminous Type-Defying II-P/II-L Supernova ASASSN-13co

• Autorzy: Holoien, T. W.-S. , Prieto, J. L. , Pejcha, O. , Stanek, Z. , Kochanek, C. S. , Shappee, B. J. , Grupe, D. , Morrell, N. , Thorstensen, J. R. , Basu, U. , Beacom, J. F. , Bersier, D. , Brimacombe, J. , Davis, A. B. , Pojmański, G. , Skowron, D. M.
• Języki publikacji: EN

Abstrakty

EN

We present photometric and spectroscopic observations of ASASSN-13co, an unusually luminous Type II supernova and the first core-collapse supernova discovered by the All-Sky Automated Survey for SuperNovae (ASAS-SN). First detection of the supernova was on UT 2013 August 29 and the data presented span roughly 3.5 months after discovery. We use the recently developed model by Pejcha and Prieto to model the multi-band light curves of ASASSN-13co and derive the bolometric luminosity curve. We compare ASASSN-13co to other Type II supernovae to show that it was unusually luminous for a Type II supernova and that it exhibited an atypical light curve shape that does not cleanly match that of either a standard Type II-L or Type II-P supernova.

Słowa kluczowe

EN

supernovae: general; supernovae: individual: ASASSN-13c

• Czasopismo: Acta Astronomica
• Rocznik: 2016
• Tom: Vol. 66, No. 2
• Strony: 219--238
• Opis fizyczny: Bibliogr. 40 poz., tab., wykr., zdj.

Twórcy

autor

Holoien, T. W.-S.

• Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA,
• Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Ave., Columbus, OH 43210, USA
• US Department of Energy Computational Science Graduate Fellow

autor

Prieto, J. L.

• Nucleo de Astronomia de la Facultad de Ingenieria, Universidad Diego Portales, Av. Ejercito 441, Santiago, Chile
• Millennium Institute of Astrophysics, Santiago, Chile

autor

Pejcha, O.

• 6Department of Astrophysical Sciences, Princeton University, 4 Ivy lane, Peyton Hall, Princeton, NJ 08540, USA
• Hubble Fellow
• Lyman Spitzer Jr. Fellow

autor

Stanek, Z.

• Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA
• Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Ave., Columbus, OH 43210, USA

autor

Kochanek, C. S.

• Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA
• Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Ave., Columbus, OH 43210, USA

autor

Shappee, B. J.

• Hubble Fellow
• Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USA
• Carnegie-Princeton Fellow

autor

Grupe, D.

• Swift MOC, 2582 Gateway Dr., State College, PA 16802, USA
• Space Science Center, Morehead State University, 235 Martindale Dr., Morehead, KY 40351, USA

autor

Morrell, N.

• Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile

autor

Thorstensen, J. R.

• Department of Physics and Astronomy, 6127 Wilder Laboratory, Dartmouth College, Hanover, NH 03755, USA

autor

Basu, U.

• Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA
• Grove City High School, 4665 Hoover Road, Grove City, OH 43123, USA

autor

Beacom, J. F.

• Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA
• Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Ave., Columbus, OH 43210, USA
• Department of Physics, The Ohio State University, 191 W. Woodruff Ave., Columbus, OH 43210, USA

autor

Bersier, D.

• Astrophysics Research Institute, Liverpool John Moores University, 146 Brownlow Hill, Liverpool L3 5RF, UK

autor

Brimacombe, J.

• Coral Towers Observatory, Cairns, Queensland 4870, Australia

autor

Davis, A. B.

• Department of Physics, The Ohio State University, 191 W. Woodruff Ave., Columbus, OH 43210, USA

autor

Pojmański, G.

• Warsaw University Astronomical Observatory, Al. Ujazdowskie 4, 00-478 Warsaw, Poland

autor

Skowron, D. M.

• Warsaw University Astronomical Observatory, Al. Ujazdowskie 4, 00-478 Warsaw, Poland

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).