The highly energetic expansion of SN 2010bh associated with GRB 100316D
We present the spectroscopic and photometric evolution of the nearby (z = 0.059) spectroscopically confirmed Type Ic supernova, SN2010bh, associated with the soft, long-duration gamma-ray burst (X-ray flash) GRB100316D. Intensive follow-up observations of SN2010bh were performed at the ESO Very Larg...
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todo:paper_0004637X_v753_n1_p_Bufano2023-10-03T14:02:23Z The highly energetic expansion of SN 2010bh associated with GRB 100316D Bufano, F. Pian, E. Sollerman, J. Benetti, S. Pignata, G. Valenti, S. Covino, S. D'Avanzo, P. Malesani, D. Cappellaro, E. Della Valle, M. Fynbo, J. Hjorth, J. Mazzali, P.A. Reichart, D.E. Starling, R.L.C. Turatto, M. Vergani, S.D. Wiersema, K. Amati, L. Bersier, D. Campana, S. Cano, Z. Castro-Tirado, A.J. Chincarini, G. D'Elia, V. De Ugarte Postigo, A. Deng, J. Ferrero, P. Filippenko, A.V. Goldoni, P. Gorosabel, J. Greiner, J. Hammer, F. Jakobsson, P. Kaper, L. Kawabata, K.S. Klose, S. Levan, A.J. Maeda, K. Masetti, N. Milvang-Jensen, B. Mirabel, F.I. Moller, P. Nomoto, K. Palazzi, E. Piranomonte, S. Salvaterra, R. Stratta, G. Tagliaferri, G. Tanaka, M. Tanvir, N.R. Wijers, R.A.M.J. supernovae: general supernovae: individual (SN 2010bh, GRB 100316D) We present the spectroscopic and photometric evolution of the nearby (z = 0.059) spectroscopically confirmed Type Ic supernova, SN2010bh, associated with the soft, long-duration gamma-ray burst (X-ray flash) GRB100316D. Intensive follow-up observations of SN2010bh were performed at the ESO Very Large Telescope (VLT) using the X-shooter and FORS2 instruments. Thanks to the detailed temporal coverage and the extended wavelength range (3000-24800Å), we obtained an unprecedentedly rich spectral sequence among the hypernovae, making SN2010bh one of the best studied representatives of this SN class. We find that SN2010bh has a more rapid rise to maximum brightness (8.0 ± 1.0 rest-frame days) and a fainter absolute peak luminosity (L bol ≈ 3 × 10 42 erg s -1 ) than previously observed SN events associated with GRBs. Our estimate of the ejected 56 Ni mass is 0.12 ± 0.02 M o . From the broad spectral features, we measure expansion velocities up to 47,000kms -1 , higher than those of SNe 1998bw (GRB980425) and 2006aj (GRB060218). Helium absorption lines He I λ5876 and He I 1.083 μm, blueshifted by 20,000-30,000kms -1 and 28,000-38,000kms -1 , respectively, may be present in the optical spectra. However, the lack of coverage of the He I 2.058 μm line prevents us from confirming such identifications. The nebular spectrum, taken at 186days after the explosion, shows a broad but faint [O I] emission at 6340Å. The light curve shape and photospheric expansion velocities of SN2010bh suggest that we witnessed a highly energetic explosion with a small ejected mass (E k ≈ 10 52 erg and M ej ≈ 3 M o ). The observed properties of SN2010bh further extend the heterogeneity of the class of GRB SNe. © © 2012. The American Astronomical Society. All rights reserved. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0004637X_v753_n1_p_Bufano |
| institution |
Universidad de Buenos Aires |
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I-28 |
| repository_str |
R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
supernovae: general supernovae: individual (SN 2010bh, GRB 100316D) |
| spellingShingle |
supernovae: general supernovae: individual (SN 2010bh, GRB 100316D) Bufano, F. Pian, E. Sollerman, J. Benetti, S. Pignata, G. Valenti, S. Covino, S. D'Avanzo, P. Malesani, D. Cappellaro, E. Della Valle, M. Fynbo, J. Hjorth, J. Mazzali, P.A. Reichart, D.E. Starling, R.L.C. Turatto, M. Vergani, S.D. Wiersema, K. Amati, L. Bersier, D. Campana, S. Cano, Z. Castro-Tirado, A.J. Chincarini, G. D'Elia, V. De Ugarte Postigo, A. Deng, J. Ferrero, P. Filippenko, A.V. Goldoni, P. Gorosabel, J. Greiner, J. Hammer, F. Jakobsson, P. Kaper, L. Kawabata, K.S. Klose, S. Levan, A.J. Maeda, K. Masetti, N. Milvang-Jensen, B. Mirabel, F.I. Moller, P. Nomoto, K. Palazzi, E. Piranomonte, S. Salvaterra, R. Stratta, G. Tagliaferri, G. Tanaka, M. Tanvir, N.R. Wijers, R.A.M.J. The highly energetic expansion of SN 2010bh associated with GRB 100316D |
| topic_facet |
supernovae: general supernovae: individual (SN 2010bh, GRB 100316D) |
| description |
We present the spectroscopic and photometric evolution of the nearby (z = 0.059) spectroscopically confirmed Type Ic supernova, SN2010bh, associated with the soft, long-duration gamma-ray burst (X-ray flash) GRB100316D. Intensive follow-up observations of SN2010bh were performed at the ESO Very Large Telescope (VLT) using the X-shooter and FORS2 instruments. Thanks to the detailed temporal coverage and the extended wavelength range (3000-24800Å), we obtained an unprecedentedly rich spectral sequence among the hypernovae, making SN2010bh one of the best studied representatives of this SN class. We find that SN2010bh has a more rapid rise to maximum brightness (8.0 ± 1.0 rest-frame days) and a fainter absolute peak luminosity (L bol ≈ 3 × 10 42 erg s -1 ) than previously observed SN events associated with GRBs. Our estimate of the ejected 56 Ni mass is 0.12 ± 0.02 M o . From the broad spectral features, we measure expansion velocities up to 47,000kms -1 , higher than those of SNe 1998bw (GRB980425) and 2006aj (GRB060218). Helium absorption lines He I λ5876 and He I 1.083 μm, blueshifted by 20,000-30,000kms -1 and 28,000-38,000kms -1 , respectively, may be present in the optical spectra. However, the lack of coverage of the He I 2.058 μm line prevents us from confirming such identifications. The nebular spectrum, taken at 186days after the explosion, shows a broad but faint [O I] emission at 6340Å. The light curve shape and photospheric expansion velocities of SN2010bh suggest that we witnessed a highly energetic explosion with a small ejected mass (E k ≈ 10 52 erg and M ej ≈ 3 M o ). The observed properties of SN2010bh further extend the heterogeneity of the class of GRB SNe. © © 2012. The American Astronomical Society. All rights reserved. |
| format |
JOUR |
| author |
Bufano, F. Pian, E. Sollerman, J. Benetti, S. Pignata, G. Valenti, S. Covino, S. D'Avanzo, P. Malesani, D. Cappellaro, E. Della Valle, M. Fynbo, J. Hjorth, J. Mazzali, P.A. Reichart, D.E. Starling, R.L.C. Turatto, M. Vergani, S.D. Wiersema, K. Amati, L. Bersier, D. Campana, S. Cano, Z. Castro-Tirado, A.J. Chincarini, G. D'Elia, V. De Ugarte Postigo, A. Deng, J. Ferrero, P. Filippenko, A.V. Goldoni, P. Gorosabel, J. Greiner, J. Hammer, F. Jakobsson, P. Kaper, L. Kawabata, K.S. Klose, S. Levan, A.J. Maeda, K. Masetti, N. Milvang-Jensen, B. Mirabel, F.I. Moller, P. Nomoto, K. Palazzi, E. Piranomonte, S. Salvaterra, R. Stratta, G. Tagliaferri, G. Tanaka, M. Tanvir, N.R. Wijers, R.A.M.J. |
| author_facet |
Bufano, F. Pian, E. Sollerman, J. Benetti, S. Pignata, G. Valenti, S. Covino, S. D'Avanzo, P. Malesani, D. Cappellaro, E. Della Valle, M. Fynbo, J. Hjorth, J. Mazzali, P.A. Reichart, D.E. Starling, R.L.C. Turatto, M. Vergani, S.D. Wiersema, K. Amati, L. Bersier, D. Campana, S. Cano, Z. Castro-Tirado, A.J. Chincarini, G. D'Elia, V. De Ugarte Postigo, A. Deng, J. Ferrero, P. Filippenko, A.V. Goldoni, P. Gorosabel, J. Greiner, J. Hammer, F. Jakobsson, P. Kaper, L. Kawabata, K.S. Klose, S. Levan, A.J. Maeda, K. Masetti, N. Milvang-Jensen, B. Mirabel, F.I. Moller, P. Nomoto, K. Palazzi, E. Piranomonte, S. Salvaterra, R. Stratta, G. Tagliaferri, G. Tanaka, M. Tanvir, N.R. Wijers, R.A.M.J. |
| author_sort |
Bufano, F. |
| title |
The highly energetic expansion of SN 2010bh associated with GRB 100316D |
| title_short |
The highly energetic expansion of SN 2010bh associated with GRB 100316D |
| title_full |
The highly energetic expansion of SN 2010bh associated with GRB 100316D |
| title_fullStr |
The highly energetic expansion of SN 2010bh associated with GRB 100316D |
| title_full_unstemmed |
The highly energetic expansion of SN 2010bh associated with GRB 100316D |
| title_sort |
highly energetic expansion of sn 2010bh associated with grb 100316d |
| url |
http://hdl.handle.net/20.500.12110/paper_0004637X_v753_n1_p_Bufano |
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