The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae
The only supernovae (SNe) to show gamma-ray bursts (GRBs) or early x-ray emission thus far are overenergetic, broad-lined type Ic SNe (hypernovae, HNe). Recently, SN 2008D has shown several unusual features: (i) weak x-ray flash (XRF), (ii) an early, narrow optical peak, (iii) disappearance of the b...
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todo:paper_00368075_v321_n5893_p1185_Mazzali2023-10-03T14:47:51Z The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae Mazzali, P.A. Valenti, S. Della Valle, M. Chincarini, G. Sauer, D.N. Benetti, S. Pian, E. Piran, T. D'Elia, V. Elias-Rosa, N. Margutti, R. Pasotti, F. Antonelli, L.A. Bufano, F. Campana, S. Cappellaro, E. Covino, S. D'Avanzo, P. Fiore, F. Fugazza, D. Gilmozzi, R. Hunter, D. Maguire, K. Maiorano, E. Marziani, P. Masetti, N. Mirabel, F. Navasardyan, H. Nomoto, K. Palazzi, E. Pastorello, A. Panagia, N. Pellizza, L.J. Sari, R. Smartt, S. Tagliaferri, G. Tanaka, M. Taubenberger, S. Tominaga, N. Trundle, C. Turatto, M. helium astronomy cosmology metamorphosis article cosmos explosion gamma radiation luminance priority journal space X ray analysis The only supernovae (SNe) to show gamma-ray bursts (GRBs) or early x-ray emission thus far are overenergetic, broad-lined type Ic SNe (hypernovae, HNe). Recently, SN 2008D has shown several unusual features: (i) weak x-ray flash (XRF), (ii) an early, narrow optical peak, (iii) disappearance of the broad lines typical of SN Ic HNe, and (iv) development of helium lines as in SNe Ib. Detailed analysis shows that SN 2008D was not a normal supernova: Its explosion energy (E ≈ 6 × 10 51 erg) and ejected mass [∼7 times the mass of the Sun (M Fish eye )] are intermediate between normal SNe Ibc and HNe. We conclude that SN 2008D was originally a ∼30 M Fish eye star. When it collapsed, a black hole formed and a weak, mildly relativistic jet was produced, which caused the XRF. SN 2008D is probably among the weakest explosions that produce relativistic jets. Inner engine activity appears to be present whenever massive stars collapse to black holes. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00368075_v321_n5893_p1185_Mazzali |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
helium astronomy cosmology metamorphosis article cosmos explosion gamma radiation luminance priority journal space X ray analysis |
| spellingShingle |
helium astronomy cosmology metamorphosis article cosmos explosion gamma radiation luminance priority journal space X ray analysis Mazzali, P.A. Valenti, S. Della Valle, M. Chincarini, G. Sauer, D.N. Benetti, S. Pian, E. Piran, T. D'Elia, V. Elias-Rosa, N. Margutti, R. Pasotti, F. Antonelli, L.A. Bufano, F. Campana, S. Cappellaro, E. Covino, S. D'Avanzo, P. Fiore, F. Fugazza, D. Gilmozzi, R. Hunter, D. Maguire, K. Maiorano, E. Marziani, P. Masetti, N. Mirabel, F. Navasardyan, H. Nomoto, K. Palazzi, E. Pastorello, A. Panagia, N. Pellizza, L.J. Sari, R. Smartt, S. Tagliaferri, G. Tanaka, M. Taubenberger, S. Tominaga, N. Trundle, C. Turatto, M. The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae |
| topic_facet |
helium astronomy cosmology metamorphosis article cosmos explosion gamma radiation luminance priority journal space X ray analysis |
| description |
The only supernovae (SNe) to show gamma-ray bursts (GRBs) or early x-ray emission thus far are overenergetic, broad-lined type Ic SNe (hypernovae, HNe). Recently, SN 2008D has shown several unusual features: (i) weak x-ray flash (XRF), (ii) an early, narrow optical peak, (iii) disappearance of the broad lines typical of SN Ic HNe, and (iv) development of helium lines as in SNe Ib. Detailed analysis shows that SN 2008D was not a normal supernova: Its explosion energy (E ≈ 6 × 10 51 erg) and ejected mass [∼7 times the mass of the Sun (M Fish eye )] are intermediate between normal SNe Ibc and HNe. We conclude that SN 2008D was originally a ∼30 M Fish eye star. When it collapsed, a black hole formed and a weak, mildly relativistic jet was produced, which caused the XRF. SN 2008D is probably among the weakest explosions that produce relativistic jets. Inner engine activity appears to be present whenever massive stars collapse to black holes. |
| format |
JOUR |
| author |
Mazzali, P.A. Valenti, S. Della Valle, M. Chincarini, G. Sauer, D.N. Benetti, S. Pian, E. Piran, T. D'Elia, V. Elias-Rosa, N. Margutti, R. Pasotti, F. Antonelli, L.A. Bufano, F. Campana, S. Cappellaro, E. Covino, S. D'Avanzo, P. Fiore, F. Fugazza, D. Gilmozzi, R. Hunter, D. Maguire, K. Maiorano, E. Marziani, P. Masetti, N. Mirabel, F. Navasardyan, H. Nomoto, K. Palazzi, E. Pastorello, A. Panagia, N. Pellizza, L.J. Sari, R. Smartt, S. Tagliaferri, G. Tanaka, M. Taubenberger, S. Tominaga, N. Trundle, C. Turatto, M. |
| author_facet |
Mazzali, P.A. Valenti, S. Della Valle, M. Chincarini, G. Sauer, D.N. Benetti, S. Pian, E. Piran, T. D'Elia, V. Elias-Rosa, N. Margutti, R. Pasotti, F. Antonelli, L.A. Bufano, F. Campana, S. Cappellaro, E. Covino, S. D'Avanzo, P. Fiore, F. Fugazza, D. Gilmozzi, R. Hunter, D. Maguire, K. Maiorano, E. Marziani, P. Masetti, N. Mirabel, F. Navasardyan, H. Nomoto, K. Palazzi, E. Pastorello, A. Panagia, N. Pellizza, L.J. Sari, R. Smartt, S. Tagliaferri, G. Tanaka, M. Taubenberger, S. Tominaga, N. Trundle, C. Turatto, M. |
| author_sort |
Mazzali, P.A. |
| title |
The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae |
| title_short |
The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae |
| title_full |
The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae |
| title_fullStr |
The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae |
| title_full_unstemmed |
The metamorphosis of supernova SN 2008D/XRF 080109: A link between supernovae and GRBs/hypernovae |
| title_sort |
metamorphosis of supernova sn 2008d/xrf 080109: a link between supernovae and grbs/hypernovae |
| url |
http://hdl.handle.net/20.500.12110/paper_00368075_v321_n5893_p1185_Mazzali |
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