A tale of two GRB-SNe at a common redshift of z = 0.54

We present ground-based and Hubble Space Telescope optical observations of the opticaltransients (OTs) of long-duration Gamma Ray Bursts (GRBs) 060729 and 090618, both at aredshift of z=0.54. For GRB 060729, bumps are seen in the optical light curves (LCs), and thelate-time broad-band spectral energ...

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Main Authors:	Cano, Z., Bersier, D., Guidorzi, C., Margutti, R., Svensson, K., Kobayashi, A., Melandri, A., Wiersema, K., Pozanenko, A., van der Horst, A., Pooley, G., Fernandez-Soto, A., Castro-Tirado, A., de Ugarte Postigo, A., Im, M., Kamble, A., Sahu, D., Alonso-Lorite, J., Anupama, G., Bibby, J., Burgdorf, M., Clay, N., Curran, Peter, Fatkhullin, T., Fruchter, A., Garnavich, P., Gomboc, A., Gorosabel, J., Graham, J., Gurugubelli, U., Haislip, J., Huang, K., Huxor, A., Ibrahimov, M., Jeon, Y., Ivarsen, K., Kasen, D., Klunko, E., Kouveliotou, C., LaCluyze, A., Levan, A., Loznikov, V., Mazzali, P., Moskvitin, A., Mottram, C., Mundell, C., Nugent, P., Nysewander, M., O’Brien, P., Park, W., Peris, V., Pian, E., Reichart, D., Rhoads, J., Rol, E., Rumyantsev, V., Scowcroft, V., Shakhovskoy, D., Small, E., Smith, R., Sokolov, V., Starling, R., Steele, I., Strom, R., Tanvir, N., Tsapras, Y., Urata, Y., Vaduvescu, O., Volnova, A., Volvach, A., Wijers, R., Woosley, S., Young, D.
Format:	Journal Article
Published:	Oxford University Press 2011
Subjects:	supernovae: general gamma-ray burst: individual: GRB 060729 gamma-ray burst: individual: GRB - 090618
Online Access:	http://mnras.oxfordjournals.org/content/413/1/669.full.pdf+html http://hdl.handle.net/20.500.11937/43033

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author	Cano, Z. Bersier, D. Guidorzi, C. Margutti, R. Svensson, K. Kobayashi, A. Melandri, A. Wiersema, K. Pozanenko, A. van der Horst, A. Pooley, G. Fernandez-Soto, A. Castro-Tirado, A. de Ugarte Postigo, A. Im, M. Kamble, A. Sahu, D. Alonso-Lorite, J. Anupama, G. Bibby, J. Burgdorf, M. Clay, N. Curran, Peter Fatkhullin, T. Fruchter, A. Garnavich, P. Gomboc, A. Gorosabel, J. Graham, J. Gurugubelli, U. Haislip, J. Huang, K. Huxor, A. Ibrahimov, M. Jeon, Y. Jeon, Y. Ivarsen, K. Kasen, D. Klunko, E. Kouveliotou, C. LaCluyze, A. Levan, A. Loznikov, V. Mazzali, P. Moskvitin, A. Mottram, C. Mundell, C. Nugent, P. Nysewander, M. O’Brien, P. Park, W. Peris, V. Pian, E. Reichart, D. Rhoads, J. Rol, E. Rumyantsev, V. Scowcroft, V. Shakhovskoy, D. Small, E. Smith, R. Sokolov, V. Starling, R. Steele, I. Strom, R. Tanvir, N. Tsapras, Y. Urata, Y. Vaduvescu, O. Volnova, A. Volvach, A. Wijers, R. Woosley, S. Young, D.
author_facet	Cano, Z. Bersier, D. Guidorzi, C. Margutti, R. Svensson, K. Kobayashi, A. Melandri, A. Wiersema, K. Pozanenko, A. van der Horst, A. Pooley, G. Fernandez-Soto, A. Castro-Tirado, A. de Ugarte Postigo, A. Im, M. Kamble, A. Sahu, D. Alonso-Lorite, J. Anupama, G. Bibby, J. Burgdorf, M. Clay, N. Curran, Peter Fatkhullin, T. Fruchter, A. Garnavich, P. Gomboc, A. Gorosabel, J. Graham, J. Gurugubelli, U. Haislip, J. Huang, K. Huxor, A. Ibrahimov, M. Jeon, Y. Jeon, Y. Ivarsen, K. Kasen, D. Klunko, E. Kouveliotou, C. LaCluyze, A. Levan, A. Loznikov, V. Mazzali, P. Moskvitin, A. Mottram, C. Mundell, C. Nugent, P. Nysewander, M. O’Brien, P. Park, W. Peris, V. Pian, E. Reichart, D. Rhoads, J. Rol, E. Rumyantsev, V. Scowcroft, V. Shakhovskoy, D. Small, E. Smith, R. Sokolov, V. Starling, R. Steele, I. Strom, R. Tanvir, N. Tsapras, Y. Urata, Y. Vaduvescu, O. Volnova, A. Volvach, A. Wijers, R. Woosley, S. Young, D.
author_sort	Cano, Z.
building	Curtin Institutional Repository
collection	Online Access
description	We present ground-based and Hubble Space Telescope optical observations of the opticaltransients (OTs) of long-duration Gamma Ray Bursts (GRBs) 060729 and 090618, both at aredshift of z=0.54. For GRB 060729, bumps are seen in the optical light curves (LCs), and thelate-time broad-band spectral energy distributions (SEDs) of the OT resemble those of localType Ic supernovae (SNe). For GRB 090618, the dense sampling of our optical observationshas allowed us to detect well-defined bumps in the optical LCs, as well as a change in colour,that are indicative of light coming from a core-collapse SN. The accompanying SNe for bothevents are individually compared with SN1998bw, a known GRB supernova, and SN1994I, atypical Type Ic supernova without a known GRB counterpart, and in both cases the brightnessand temporal evolution more closely resemble SN1998bw. We also exploit our extensiveoptical and radio data for GRB 090618, as well as the publicly available Swift-XRT data, anddiscuss the properties of the afterglow at early times. In the context of a simple jet-like model,the afterglow of GRB 090618 is best explained by the presence of a jet-break at t - to > 0.5 d.We then compare the rest-frame, peak V-band absolute magnitudes of all of the GRB andX-Ray Flash (XRF)-associated SNe with a large sample of local Type Ibc SNe, concludingthat, when host extinction is considered, the peak magnitudes of the GRB/XRF-SNe cannotbe distinguished from the peak magnitudes of non-GRB/XRF SNe.
first_indexed	2025-11-14T09:14:27Z
format	Journal Article
id	curtin-20.500.11937-43033
institution	Curtin University Malaysia
institution_category	Local University
last_indexed	2025-11-14T09:14:27Z
publishDate	2011
publisher	Oxford University Press
recordtype	eprints
repository_type	Digital Repository
spelling	curtin-20.500.11937-430332017-02-28T01:45:24Z A tale of two GRB-SNe at a common redshift of z = 0.54 Cano, Z. Bersier, D. Guidorzi, C. Margutti, R. Svensson, K. Kobayashi, A. Melandri, A. Wiersema, K. Pozanenko, A. van der Horst, A. Pooley, G. Fernandez-Soto, A. Castro-Tirado, A. de Ugarte Postigo, A. Im, M. Kamble, A. Sahu, D. Alonso-Lorite, J. Anupama, G. Bibby, J. Burgdorf, M. Clay, N. Curran, Peter Fatkhullin, T. Fruchter, A. Garnavich, P. Gomboc, A. Gorosabel, J. Graham, J. Gurugubelli, U. Haislip, J. Huang, K. Huxor, A. Ibrahimov, M. Jeon, Y. Jeon, Y. Ivarsen, K. Kasen, D. Klunko, E. Kouveliotou, C. LaCluyze, A. Levan, A. Loznikov, V. Mazzali, P. Moskvitin, A. Mottram, C. Mundell, C. Nugent, P. Nysewander, M. O’Brien, P. Park, W. Peris, V. Pian, E. Reichart, D. Rhoads, J. Rol, E. Rumyantsev, V. Scowcroft, V. Shakhovskoy, D. Small, E. Smith, R. Sokolov, V. Starling, R. Steele, I. Strom, R. Tanvir, N. Tsapras, Y. Urata, Y. Vaduvescu, O. Volnova, A. Volvach, A. Wijers, R. Woosley, S. Young, D. supernovae: general gamma-ray burst: individual: GRB 060729 gamma-ray burst: individual: GRB - 090618 We present ground-based and Hubble Space Telescope optical observations of the opticaltransients (OTs) of long-duration Gamma Ray Bursts (GRBs) 060729 and 090618, both at aredshift of z=0.54. For GRB 060729, bumps are seen in the optical light curves (LCs), and thelate-time broad-band spectral energy distributions (SEDs) of the OT resemble those of localType Ic supernovae (SNe). For GRB 090618, the dense sampling of our optical observationshas allowed us to detect well-defined bumps in the optical LCs, as well as a change in colour,that are indicative of light coming from a core-collapse SN. The accompanying SNe for bothevents are individually compared with SN1998bw, a known GRB supernova, and SN1994I, atypical Type Ic supernova without a known GRB counterpart, and in both cases the brightnessand temporal evolution more closely resemble SN1998bw. We also exploit our extensiveoptical and radio data for GRB 090618, as well as the publicly available Swift-XRT data, anddiscuss the properties of the afterglow at early times. In the context of a simple jet-like model,the afterglow of GRB 090618 is best explained by the presence of a jet-break at t - to > 0.5 d.We then compare the rest-frame, peak V-band absolute magnitudes of all of the GRB andX-Ray Flash (XRF)-associated SNe with a large sample of local Type Ibc SNe, concludingthat, when host extinction is considered, the peak magnitudes of the GRB/XRF-SNe cannotbe distinguished from the peak magnitudes of non-GRB/XRF SNe. 2011 Journal Article http://hdl.handle.net/20.500.11937/43033 http://mnras.oxfordjournals.org/content/413/1/669.full.pdf+html Oxford University Press restricted
spellingShingle	supernovae: general gamma-ray burst: individual: GRB 060729 gamma-ray burst: individual: GRB - 090618 Cano, Z. Bersier, D. Guidorzi, C. Margutti, R. Svensson, K. Kobayashi, A. Melandri, A. Wiersema, K. Pozanenko, A. van der Horst, A. Pooley, G. Fernandez-Soto, A. Castro-Tirado, A. de Ugarte Postigo, A. Im, M. Kamble, A. Sahu, D. Alonso-Lorite, J. Anupama, G. Bibby, J. Burgdorf, M. Clay, N. Curran, Peter Fatkhullin, T. Fruchter, A. Garnavich, P. Gomboc, A. Gorosabel, J. Graham, J. Gurugubelli, U. Haislip, J. Huang, K. Huxor, A. Ibrahimov, M. Jeon, Y. Jeon, Y. Ivarsen, K. Kasen, D. Klunko, E. Kouveliotou, C. LaCluyze, A. Levan, A. Loznikov, V. Mazzali, P. Moskvitin, A. Mottram, C. Mundell, C. Nugent, P. Nysewander, M. O’Brien, P. Park, W. Peris, V. Pian, E. Reichart, D. Rhoads, J. Rol, E. Rumyantsev, V. Scowcroft, V. Shakhovskoy, D. Small, E. Smith, R. Sokolov, V. Starling, R. Steele, I. Strom, R. Tanvir, N. Tsapras, Y. Urata, Y. Vaduvescu, O. Volnova, A. Volvach, A. Wijers, R. Woosley, S. Young, D. A tale of two GRB-SNe at a common redshift of z = 0.54
title	A tale of two GRB-SNe at a common redshift of z = 0.54
title_full	A tale of two GRB-SNe at a common redshift of z = 0.54
title_fullStr	A tale of two GRB-SNe at a common redshift of z = 0.54
title_full_unstemmed	A tale of two GRB-SNe at a common redshift of z = 0.54
title_short	A tale of two GRB-SNe at a common redshift of z = 0.54
title_sort	tale of two grb-sne at a common redshift of z = 0.54
topic	supernovae: general gamma-ray burst: individual: GRB 060729 gamma-ray burst: individual: GRB - 090618
url	http://mnras.oxfordjournals.org/content/413/1/669.full.pdf+html http://hdl.handle.net/20.500.11937/43033

A tale of two GRB-SNe at a common redshift of z = 0.54

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