SN 2017gmr: An Energetic Type II-P Supernova with Asymmetries

We present high-cadence UV, optical, and near-infrared data on the luminous Type II-P supernova SN 2017gmr from hours after discovery through the first 180 days. SN 2017gmr does not show signs of narrow, high-ionization emission lines in the early optical spectra, yet the optical light-curve evoluti...

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Veröffentlicht in:	The Astrophysical journal 2019-11, Vol.885 (1)
Hauptverfasser:	Andrews, Jennifer E., Sand, D. J., Valenti, S., Smith, Nathan, Dastidar, Raya, Sahu, D. K., Misra, Kuntal, Singh, Avinash, Hiramatsu, D., Brown, P. J., Hosseinzadeh, G., Wyatt, S., Vinko, J., Anupama, G. C., Arcavi, I., Ashall, Chris, Benetti, S., Berton, Marco, Bostroem, K. A., Bulla, M., Burke, J., Chen, S., Chomiuk, L., Cikota, A., Congiu, E., Cseh, B., Davis, Scott, Elias-Rosa, N., Faran, T., Fraser, Morgan, Galbany, L., Gall, C., Gal-Yam, A., Gangopadhyay, Anjasha, Gromadzki, M., Haislip, J., Howell, D. A., Hsiao, E. Y., Inserra, C., Kankare, E., Kuncarayakti, H., Kouprianov, V., Kumar, Brajesh, Li, Xue, Lin, Han, Maguire, K., Mazzali, P., McCully, C., Milne, P., Mo, Jun, Morrell, N., Nicholl, M., Ochner, P., Olivares, F., Pastorello, A., Patat, F., Phillips, M., Pignata, G., Prentice, S., Reguitti, A., Reichart, D. E., Rodríguez, Ó., Rui, Liming, Sanwal, Pankaj, Sárneczky, K., Shahbandeh, M., Singh, Mridweeka, Smartt, S., Strader, J., Stritzinger, M. D., Szakáts, R., Tartaglia, L., Wang, Huijuan, Wang, Lingzhi, Wang, Xiaofeng, Wheeler, J. C., Xiang, Danfeng, Yaron, O., Young, D. R., Zhang, Junbo
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Asymmetry Core-collapse supernovae Ejecta Emission lines Emission spectra Energy sources Explosions H alpha line Ionization Light curve Luminosity Massive stars Radioactive decay Supernova Supernovae Type II supernovae
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