Matches in SemOpenAlex for { <https://semopenalex.org/work/W2116344101> ?p ?o ?g. }
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- W2116344101 abstract "We show model light curves of superluminous supernova 2006gy on the assumption that the supernova is powered by the collision of supernova ejecta and its dense circumstellar medium. The initial conditions are constructed based on the shock breakout condition, assuming that the circumstellar medium is dense enough to cause the shock breakout within it. We perform a set of numerical light curve calculations by using a one-dimensional multigroup radiation hydrodynamics code STELLA. We succeeded in reproducing the overall features of the early light curve of SN 2006gy with the circumstellar medium whose mass is about 15 Msun (the average mass-loss rate ~ 0.1 Msun/yr). Thus, the progenitor of SN 2006gy is likely a very massive star. The density profile of the circumstellar medium is not well constrained by the light curve modeling only, but our modeling disfavors the circumstellar medium formed by steady mass loss. The ejecta mass is estimated to be comparable to or less than 15 Msun and the explosion energy is expected to be more than 4e51 erg. No 56Ni is required to explain the early light curve. We find that the multidimensional effect, e.g., the Rayleigh-Taylor instability, which is expected to take place in the cool dense shell between the supernova ejecta and the dense circumstellar medium, is important in understanding supernovae powered by the shock interaction. We also show the evolution of the optical and near-infrared model light curves of high-redshift superluminous supernovae. They can be potentially used to identify SN 2006gy-like superluminous supernovae in the future optical and near-infrared transient surveys." @default.
- W2116344101 created "2016-06-24" @default.
- W2116344101 creator A5011140321 @default.
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- W2116344101 creator A5064897101 @default.
- W2116344101 creator A5082106553 @default.
- W2116344101 creator A5088348055 @default.
- W2116344101 date "2012-11-01" @default.
- W2116344101 modified "2023-10-14" @default.
- W2116344101 title "Light-curve modelling of superluminous supernova 2006gy: collision between supernova ejecta and a dense circumstellar medium" @default.
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