%0 Generic %1 citeulike:13893610 %A Smith, M. %A Sullivan, M. %A D'Andrea, C. B. %A Castander, F. J. %A Casas, R. %A Prajs, S. %A Papadopoulos, A. %A Nichol, R. C. %A Karpenka, N. V. %A Bernard, S. R. %A Brown, P. %A Cartier, R. %A Cooke, J. %A Curtin, C. %A Davis, T. M. %A Finley, D. A. %A Foley, R. J. %A Gal-Yam, A. %A Goldstein, D. A. %A González-Gaitán, S. %A Gupta, R. R. %A Howell, D. A. %A Inserra, C. %A Kessler, R. %A Lidman, C. %A Marriner, J. %A Nugent, P. %A Pritchard, T. A. %A Sako, M. %A Smartt, S. %A Smith, R. C. %A Spinka, H. %A Wolf, R. C. %A Zentano, A. %A Abbott, T. M. C. %A Benoit-Lévy, A. %A Brooks, D. %A Buckley-Geer, E. %A Rosell, A. Carnero %A Kind, M. Carrasco %A Carretero, J. %A Crocce, M. %A Cunha, C. E. %A da Costa, L. N. %A Desai, S. %A Diehl, H. T. %A Doel, P. %A Estrada, J. %A Evrard, A. E. %A Flaugher, B. %A Fosalba, P. %A Frieman, J. %A Gerdes, D. W. %A Gruen, D. %A Gruendl, R. A. %A James, D. J. %A Kuehn, K. %A Kuropatkin, N. %A Lahav, O. %A Li, T. S. %A Marshall, J. L. %A Martini, P. %A Miller, C. J. %A Miquel, R. %A Ogando, R. %A Plazas, A. A. %A Romer, A. K. %A Roodman, A. %A Rykoff, E. S. %A Sanchez, E. %A Scarpine, V. %A Schubnell, M. %A Sevilla-Noarbe, I. %A Soares-Santos, M. %A Sobreira, F. %A Suchyta, E. %A Swanson, M. E. C. %A Tarle, G. %A Thomas, R. C. %A Walker, A. R. %A Wester, W. %D 2015 %K imported %T DES14X3taz: A Type I Superluminous Supernova Showing a Luminous, Rapidly Cooling Initial Pre-Peak Bump %U http://arxiv.org/abs/1512.06043 %X We present DES14X3taz, a new hydrogen-poor super luminous supernova (SLSN-I) discovered by the Dark Energy Survey (DES) supernova program, with additional photometric data provided by the Survey Using DECam for Superluminous Supernovae (SUDSS). Spectra obtained using OSIRIS on the Gran Telescopio CANARIAS (GTC) show DES14X3taz is a SLSN-I at z=0.608. Multi-color photometry reveals a double-peaked light curve: a blue and relatively bright initial peak that fades rapidly prior to the slower rise of the main light curve. Our multi-color photometry allows us, for the first time, to show that the initial peak cools from 22,000K to 8,000K over 15 rest-frame days, and is faster and brighter than any published core-collapse supernova, reaching 30\% of the bolometric luminosity of the main peak. No physical Ni-powered model can fit this initial peak. We show that a shock-cooling model followed by a magnetar driving the second phase of the light curve can adequately explain the light curve of DES14X3taz, with the cooling of extended material at a distance of \~400 solar radii being preferred over extended stellar envelope models. We compare DES14X3taz to the few double-peaked SLSN-I events in the literature. Although the rise-times and characteristics of these initial peaks differ, there exists the tantalizing possibility that they can be explained by one physical interpretation.

@misc{citeulike:13893610, abstract = {{We present DES14X3taz, a new hydrogen-poor super luminous supernova (SLSN-I) discovered by the Dark Energy Survey (DES) supernova program, with additional photometric data provided by the Survey Using DECam for Superluminous Supernovae (SUDSS). Spectra obtained using OSIRIS on the Gran Telescopio CANARIAS (GTC) show DES14X3taz is a SLSN-I at z=0.608. Multi-color photometry reveals a double-peaked light curve: a blue and relatively bright initial peak that fades rapidly prior to the slower rise of the main light curve. Our multi-color photometry allows us, for the first time, to show that the initial peak cools from 22,000K to 8,000K over 15 rest-frame days, and is faster and brighter than any published core-collapse supernova, reaching 30\% of the bolometric luminosity of the main peak. No physical Ni-powered model can fit this initial peak. We show that a shock-cooling model followed by a magnetar driving the second phase of the light curve can adequately explain the light curve of DES14X3taz, with the cooling of extended material at a distance of \~{}400 solar radii being preferred over extended stellar envelope models. We compare DES14X3taz to the few double-peaked SLSN-I events in the literature. Although the rise-times and characteristics of these initial peaks differ, there exists the tantalizing possibility that they can be explained by one physical interpretation.}}, added-at = {2019-03-25T08:20:55.000+0100}, archiveprefix = {arXiv}, author = {Smith, M. and Sullivan, M. and D'Andrea, C. B. and Castander, F. J. and Casas, R. and Prajs, S. and Papadopoulos, A. and Nichol, R. C. and Karpenka, N. V. and Bernard, S. R. and Brown, P. and Cartier, R. and Cooke, J. and Curtin, C. and Davis, T. M. and Finley, D. A. and Foley, R. J. and Gal-Yam, A. and Goldstein, D. A. and Gonz\'{a}lez-Gait\'{a}n, S. and Gupta, R. R. and Howell, D. A. and Inserra, C. and Kessler, R. and Lidman, C. and Marriner, J. and Nugent, P. and Pritchard, T. A. and Sako, M. and Smartt, S. and Smith, R. C. and Spinka, H. and Wolf, R. C. and Zentano, A. and Abbott, T. M. C. and Benoit-L\'{e}vy, A. and Brooks, D. and Buckley-Geer, E. and Rosell, A. Carnero and Kind, M. Carrasco and Carretero, J. and Crocce, M. and Cunha, C. E. and da Costa, L. N. and Desai, S. and Diehl, H. T. and Doel, P. and Estrada, J. and Evrard, A. E. and Flaugher, B. and Fosalba, P. and Frieman, J. and Gerdes, D. W. and Gruen, D. and Gruendl, R. A. and James, D. J. and Kuehn, K. and Kuropatkin, N. and Lahav, O. and Li, T. S. and Marshall, J. L. and Martini, P. and Miller, C. J. and Miquel, R. and Ogando, R. and Plazas, A. A. and Romer, A. K. and Roodman, A. and Rykoff, E. S. and Sanchez, E. and Scarpine, V. and Schubnell, M. and Sevilla-Noarbe, I. and Soares-Santos, M. and Sobreira, F. and Suchyta, E. and Swanson, M. E. C. and Tarle, G. and Thomas, R. C. and Walker, A. R. and Wester, W.}, biburl = {https://www.bibsonomy.org/bibtex/25033883f6e8f6248705b2fefc00fe0d1/ericblackman}, citeulike-article-id = {13893610}, citeulike-linkout-0 = {http://arxiv.org/abs/1512.06043}, citeulike-linkout-1 = {http://arxiv.org/pdf/1512.06043}, day = 18, eprint = {1512.06043}, interhash = {17f8c32e9a061e7489931215eb9fbc21}, intrahash = {5033883f6e8f6248705b2fefc00fe0d1}, keywords = {imported}, month = dec, posted-at = {2015-12-24 21:33:53}, priority = {2}, timestamp = {2019-03-25T08:20:55.000+0100}, title = {{DES14X3taz: A Type I Superluminous Supernova Showing a Luminous, Rapidly Cooling Initial Pre-Peak Bump}}, url = {http://arxiv.org/abs/1512.06043}, year = 2015 }