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Revealing the binary origin of Type Ic superluminous supernovae through nebular hydrogen emission
Takashi J. Moriya, Zheng-Wei Liu, Jonathan Mackey +2
We propose that nebular H-alpha emission as detected in the Type Ic superluminous supernova iPTF13ehe stems from matter which is stripped from a companion star when the supernova e…
The interaction of core-collapse supernova ejecta with a companion star
Zheng-Wei Liu, Thomas M. Tauris, Friedrich K. Roepke +4
The progenitors of many CCSNe are expected to be in binary systems. After the SN explosion, the companion may suffer from mass stripping and be shock heated as a result of the impa…
Early ultraviolet signatures from the interaction of Type Ia supernova ejecta with a stellar companion
Zheng-Wei Liu, Takashi J. Moriya, Richard J. Stancliffe
The progenitors of SNe Ia are not yet fully understood. The two leading progenitor scenarios are the single-degenerate (SD) scenario and the double-degenerate scenario. In the SD s…
Pre-explosion companion stars in Type Iax supernovae
Zheng-Wei Liu, Richard J. Stancliffe, Carlo Abate +1
Type Iax supernovae (SNe Iax) are proposed as one new sub-class of SNe Ia since they present observational properties that are sufficiently distinct from the bulk of SNe Ia. SNe Ia…
Optical observations of a SN 2002cx-like peculiar supernova SN 2013en in UGC 11369
Zheng-Wei Liu, Jujia Zhang, Fabrizio Ciabattari +7
We present optical observations of a SN 2002cx-like supernova SN 2013en in UGC 11369, spanning from a phase near maximum light (t= +1 d) to t= +60 d with respect to the R-band maxi…
Observable fractions of core-collapse supernova light curves brightened by binary companions
Takashi J. Moriya, Zheng-Wei Liu, Robert G. Izzard
Many core-collapse supernova progenitors are presumed to be in binary systems. If a star explodes in a binary system, the early supernova light curve can be brightened by the colli…
A super-Eddington wind scenario for the progenitors of type Ia supernovae: binary population synthesis calculations
Bo Wang, Xin Ma, Dongdong Liu +4
The super-Eddington wind scenario has been proposed as an alternative way for producing type Ia supernovae (SNe Ia). The super-Eddington wind can naturally prevent the carbon--oxyg…