Precursors of Supernovae from Mass Eruption: Prospects for Early Warning of Nearby Core-collapse Supernovae

被引：11

作者：

Tsuna, Daichi ^{[1
]}

Takei, Yuki ^{[1
,2
]}

Shigeyama, Toshikazu ^{[1
,3
]}

机构：

[1] Univ Tokyo, Grad Sch Sci, Res Ctr Early Universe, Bunkyo Ku, Tokyo 1130033, Japan

[2] RIKEN, Astrophys Big Bang Lab, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

[3] Univ Tokyo, Sch Sci, Dept Astron, 7-3-1 Hongo,Bunkyo Ku, Tokyo 1130033, Japan

来源：

ASTROPHYSICAL JOURNAL | 2023年 / 945卷 / 02期

关键词：

DENSE CIRCUMSTELLAR MATERIAL; EQUATION-OF-STATE; FAILED SUPERNOVAE; LIGHT CURVES; CONVECTIVE BOUNDARIES; OPTICAL TRANSIENTS; STELLAR ENVELOPES; NEUTRINO BURST; SHOCK BREAKOUT; II SUPERNOVAE;

D O I：

10.3847/1538-4357/acbbc6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recent observations of a large fraction of Type II supernovae (SNe) show traces of dense circumstellar medium (CSM) very close to the progenitor star. If this CSM is created by eruptive mass loss several months before core collapse, the eruption itself may be visible as a precursor, helpful as an early warning of a near-future SN. Using radiation hydrodynamical simulations based on the open-source code CHIPS, we theoretically model the emission from the mass eruption of a red supergiant star. We find that for a modest mass eruption the luminosity is typically on the order of 10(39) erg s(-1), can last as long as hundreds of days until the star explodes, and is mainly bright in the infrared (from -9 to -11 mag around peak). We discuss observational strategies to find these signatures from Galactic and local Type II SNe.

引用

页数：11

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