Multiple Peaks and a Long Precursor in the Type IIn Supernova 2021qqp: An Energetic Explosion in a Complex Circumstellar Environment

We present optical photometry and spectroscopy of the Type IIn supernova (SN) 2021qqp. Its unusual light curve is marked by a long precursor for ≈300 days, a rapid increase in brightness for ≈60 days, and then a sharp increase of ≈1.6 mag in only a few days to a first peak of M _r ≈ −19.5 mag. The l...

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Үндсэн зохиолчид:	Daichi Hiramatsu, Tatsuya Matsumoto, Edo Berger, Conor Ransome, V. Ashley Villar, Sebastian Gomez, Yvette Cendes, Kishalay De, K. Azalee Bostroem, Joseph Farah, D. Andrew Howell, Curtis McCully, Megan Newsome, Estefania Padilla Gonzalez, Craig Pellegrino, Akihiro Suzuki, Giacomo Terreran
Формат:	Өгүүллэг
Хэл сонгох:	English
Хэвлэсэн:	IOP Publishing 2024-01-01
Цуврал:	The Astrophysical Journal
Нөхцлүүд:	Supernovae Core-collapse supernovae Type II supernovae Massive stars Stellar mass loss Circumstellar matter
Онлайн хандалт:	https://doi.org/10.3847/1538-4357/ad2854

Интернэт

https://doi.org/10.3847/1538-4357/ad2854

Multiple Peaks and a Long Precursor in the Type IIn Supernova 2021qqp: An Energetic Explosion in a Complex Circumstellar Environment

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