Early-time Ultraviolet Spectroscopy and Optical Follow-up Observations of the Type IIP Supernova 2021yja

We present three epochs of early-time ultraviolet (UV) and optical HST/STIS spectroscopy of the young, nearby Type IIP supernova (SN) 2021yja. We complement the HST data with two earlier epochs of Swift UVOT spectroscopy. The HST and Swift UVOT spectra are consistent with those of other well-studied...

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Veröffentlicht in:	The Astrophysical journal 2022-08, Vol.934 (2), p.134
Hauptverfasser:	Vasylyev, Sergiy S., Filippenko, Alexei V., Vogl, Christian, Brink, Thomas G., Brown, Peter J., Jaeger, Thomas de, Matheson, Thomas, Gal-Yam, Avishay, Mazzali, Paolo A., Modjaz, Maryam, Patra, Kishore C., Rowe, Micalyn, Smith, Nathan, Van Dyk, Schuyler D., Williamson, Marc, Yang, Yi, Zheng, WeiKang, deGraw, Asia, Fox, Ori D., Gates, Elinor L., Jennings, Connor, Rich, R. Michael
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Balmer lines Core-collapse supernovae Hydrogen Metallicity Photosphere Radiative transfer Spectra Spectroscopy Spectrum analysis Supernova Type II supernovae Ultraviolet astronomy Ultraviolet radiation Ultraviolet spectroscopy Velocity
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