Final Moments. I. Precursor Emission, Envelope Inflation, and Enhanced Mass Loss Preceding the Luminous Type II Supernova 2020tlf

We present panchromatic observations and modeling of supernova (SN) 2020tlf, the first normal Type II-P/L SN with confirmed precursor emission, as detected by the Young Supernova Experiment transient survey. Pre-SN activity was detected in riz -bands at −130 days and persisted at relatively constant...

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Veröffentlicht in:	The Astrophysical journal 2022-01, Vol.924 (1), p.15
Hauptverfasser:	Jacobson-Galán, W. V., Dessart, L., Jones, D. O., Margutti, R., Coppejans, D. L., Dimitriadis, G., Foley, R. J., Kilpatrick, C. D., Matthews, D. J., Rest, S., Terreran, G., Aleo, P. D., Auchettl, K., Blanchard, P. K., Coulter, D. A., Davis, K. W., de Boer, T. J. L., DeMarchi, L., Drout, M. R., Earl, N., Gagliano, A., Gall, C., Hjorth, J., Huber, M. E., Ibik, A. L., Milisavljevic, D., Pan, Y.-C., Rest, A., Ridden-Harper, R., Rojas-Bravo, C., Siebert, M. R., Smith, K. W., Taggart, K., Tinyanont, S., Wang, Q., Zenati, Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Combustion Core-collapse supernovae Emission lines Gravity waves Light curve Luminosity Massive stars Modelling Neon Oxygen Photoionization Physics Power sources Precursors Radiation Red giant stars Silicon Spectroscopy Spectrum analysis Stellar envelopes Stellar mass loss Supergiant stars Supernova Supernovae Type II supernovae
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