A shock flash breaking out of a dusty red supergiant

doi:10.1038/s41586-023-06843-6

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	A shock flash breaking out of a dusty red supergiant
	Li, Gaici 4; Hu, Maokai 3; Li, Wenxiong 1,2; Yang, Yi 28; Wang, Xiaofeng 4,27; Yan, Shengyu 4; Hu, Lei 3,26; Zhang JJ(张居甲)19,24,25; Mao, Yiming 20; Riise, Henrik 21
刊名	NATURE
	2023
ISSN号	0028-0836
DOI	10.1038/s41586-023-06843-6
产权排序	第8完成单位
文献子类	Article; Early Access
英文摘要	Shock-breakout emission is light that arises when a shockwave, generated by the core-collapse explosion of a massive star, passes through its outer envelope. Hitherto, the earliest detection of such a signal was at several hours after the explosion1, although a few others had been reported2-7. The temporal evolution of early light curves should provide insights into the shock propagation, including explosion asymmetry and environment in the vicinity, but this has been hampered by the lack of multiwavelength observations. Here we report the instant multiband observations of a type II supernova (SN 2023ixf) in the galaxy M101 (at a distance of 6.85 +/- 0.15 Mpc; ref. 8), beginning at about 1.4 h after the explosion. The exploding star was a red supergiant with a radius of about 440 solar radii. The light curves evolved rapidly, on timescales of 1-2 h, and appeared unusually fainter and redder than predicted by the models9-11 within the first few hours, which we attribute to an optically thick dust shell before it was disrupted by the shockwave. We infer that the breakout and perhaps the distribution of the surrounding dust were not spherically symmetric.
学科主题	天文学
URL标识	查看原文
出版地	HEIDELBERGER PLATZ 3, BERLIN, 14197, GERMANY
资助项目	National Science Foundation of China[12288102]; National Science Foundation of China[12033003]; National Science Foundation of China[11633002]; Scholar Program of the Beijing Academy of Science and Technology[DZ BS202002]; New Cornerstone Science Foundation; National Natural Science Foundation of China[12203105]; Jiangsu Funding Program for Excellent Postdoctoral Talent; Israel Science Foundation (ISF)[2752/19]; European Research Council; Horizon 2020 research and innovation programme of the European Union; Major Science and Technology Project of Qinghai Province[2019-ZJ-A10]; China Postdoctoral Science Foundation[2022M723372]; National Key R&D Program of China[2021YFA1600404]; Yunnan Province Foundation[202201AT070069]; Top-Notch Young Talents Program of Yunnan Province; Chinese Academy of Sciences; International Centre of Supernovae, Yunnan Key Laboratory[202302AN360001]; Chinese Academy of Sciences (CAS); CAS South America Center for Astronomy (CASSACA) in Santiago, Chile; Education Bureau of Ningbo, China; Xinjiang Astronomical Observatory, China; Open Project Program of the CAS Key Laboratory of Optical Astronomy, National Astronomical Observatories, CAS; National Key R&D Program of China for the Intergovernmental Scientific and Technological Innovation Cooperation Project[2022YFE0126200]; High-Level Talent-Heaven Lake Program of Xinjiang Uygur Autonomous Region of China
WOS关键词	LIGHT CURVES ; SUPERNOVA ; BREAKOUT ; BIRTH
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	NATURE PORTFOLIO
WOS记录号	WOS:001171505200008
资助机构	National Science Foundation of China[12288102, 12033003, 11633002] ; Scholar Program of the Beijing Academy of Science and Technology[DZ BS202002] ; New Cornerstone Science Foundation ; National Natural Science Foundation of China[12203105] ; Jiangsu Funding Program for Excellent Postdoctoral Talent ; Israel Science Foundation (ISF)[2752/19] ; European Research Council ; Horizon 2020 research and innovation programme of the European Union ; Major Science and Technology Project of Qinghai Province[2019-ZJ-A10] ; China Postdoctoral Science Foundation[2022M723372] ; National Key R&D Program of China[2021YFA1600404] ; Yunnan Province Foundation[202201AT070069] ; Top-Notch Young Talents Program of Yunnan Province ; Chinese Academy of Sciences ; International Centre of Supernovae, Yunnan Key Laboratory[202302AN360001] ; Chinese Academy of Sciences (CAS) ; CAS South America Center for Astronomy (CASSACA) in Santiago, Chile ; Education Bureau of Ningbo, China ; Xinjiang Astronomical Observatory, China ; Open Project Program of the CAS Key Laboratory of Optical Astronomy, National Astronomical Observatories, CAS ; National Key R&D Program of China for the Intergovernmental Scientific and Technological Innovation Cooperation Project[2022YFE0126200] ; High-Level Talent-Heaven Lake Program of Xinjiang Uygur Autonomous Region of China
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.ynao.ac.cn/handle/114a53/26430]
专题	云南天文台_丽江天文观测站（南方基地）
作者单位	1.Key Laboratory of Optical Astronomy, National Astronomical Observatories of China, Chinese Academy of Sciences, Beijing, China; 2.The School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel; 3.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, China; 4.Physics Department, Tsinghua University, Beijing, China; 5.Xingming Observatory, Urumqi, China; 6.University of Arizona, Tucson, USA 7.Trevinca Skies, Ourense, Spain; 8.Sternberg Astronomical Institute, Moscow State University, Moscow, Russia; 9.Department of Astronomy, University of Illinois at Urbana-Champaign, Urbana, USA; 10.Crimean Astrophysical Observatory RAS, Nauchnyi, Russia;
推荐引用方式 GB/T 7714	Li, Gaici,Hu, Maokai,Li, Wenxiong,et al. A shock flash breaking out of a dusty red supergiant[J]. NATURE,2023.
APA	Li, Gaici.,Hu, Maokai.,Li, Wenxiong.,Yang, Yi.,Wang, Xiaofeng.,...&Herman, Eliot.(2023).A shock flash breaking out of a dusty red supergiant.NATURE.
MLA	Li, Gaici,et al."A shock flash breaking out of a dusty red supergiant".NATURE (2023).