A Multiple Ejecta-circumstellar Medium Interaction Model and Its Implications for Superluminous Supernovae iPTF15esb and iPTF13dcc

doi:10.3847/1538-4357/aab157

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	A Multiple Ejecta-circumstellar Medium Interaction Model and Its Implications for Superluminous Supernovae iPTF15esb and iPTF13dcc
	Dai, ZG; Liu, LD; Wang LJ(王玲君); Wang, LJ; Wang, SQ
刊名	ASTROPHYSICAL JOURNAL
	2018
卷号	856 期号:1 页码:59
关键词	circumstellar matter supernovae: general supernovae: individual (iPTF15esb)
ISSN号	0004-637X
DOI	10.3847/1538-4357/aab157
文献子类	Article
英文摘要	In this paper, we investigate two hydrogen-poor superluminous supernovae (SLSNe), iPTF15esb and iPTF13dcc, whose light curves (LCs) show significant deviation from the smooth rise and fall. The LC of iPTF15esb exhibits two peaks and a post-peak plateau, and furthermore the late-time spectrum of iPTF15esb shows a strong, broad Ha emission line. The early-time LC of iPTF13dcc shows a long-duration bump followed by the second peak. Here, we propose an ejecta-circumstellar medium interaction model involving multiple shells/winds and use it to explain the LCs of iPTF15esb and iPTF13dcc. We find that the theoretical LCs reproduced by this model can match observations of iPTF15esb and iPTF13dcc. Based on our results, we infer that the progenitors have undergone multiple violent mass-loss processes before the SN explosion. In addition, we find that the variation trend of our inferred densities of the shells is consistent with that predicted by the stellar mass-loss history before an SN explosion. Further investigations for other bumpy SLSNe/SNe would shed light on their nature and provide a probe for the mass-loss history of their progenitors.
电子版国际标准刊号	1538-4357
WOS关键词	LIGHT-CURVE ; LUMINOUS SUPERNOVAE ; MASS-LOSS ; EVOLUTION ; ENVELOPE ; 2006GY ; STARS
WOS研究方向	Astronomy & Astrophysics
语种	英语
WOS记录号	WOS:000428430100004
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/285777]
专题	高能物理研究所_粒子天体物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Dai, ZG,Liu, LD,Wang LJ,et al. A Multiple Ejecta-circumstellar Medium Interaction Model and Its Implications for Superluminous Supernovae iPTF15esb and iPTF13dcc[J]. ASTROPHYSICAL JOURNAL,2018,856(1):59.
APA	Dai, ZG,Liu, LD,王玲君,Wang, LJ,&Wang, SQ.(2018).A Multiple Ejecta-circumstellar Medium Interaction Model and Its Implications for Superluminous Supernovae iPTF15esb and iPTF13dcc.ASTROPHYSICAL JOURNAL,856(1),59.
MLA	Dai, ZG,et al."A Multiple Ejecta-circumstellar Medium Interaction Model and Its Implications for Superluminous Supernovae iPTF15esb and iPTF13dcc".ASTROPHYSICAL JOURNAL 856.1(2018):59.