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- W2811014710 abstract "Apparent stellar magnitudes observed at Maidanak observatory for SN2017ein - peculiarly faint core-collapse supernova rumored to have images of progenitor - are processed to get exact photometric data. Technique of photometry is described and the data itself is presented. Based on photometric data of B and R bands we used the regressional equation proposed by Lyman and Bersier to reconstruct the quasi-bolometric light curve. Reconstructed light curve has a peak luminosity of $3.3cdot 10^{41} rm{erg/s}$ which is almost an order of magnitude lower than typical values for such supernovae. Further, we used reconstructed bolometric values to estimate physical parameters using simple one-component models for photospheric and nebular phases. Fitting the models to reconstructed quasi-bolometric light curve allows us to estimate physical parameters. Such estimation yields $0.037 M_{odot}$ for nickel-56 mass, $1.246 M_{odot}$ for ejected mass and $1.641cdot 10^{51}$ erg for final kinetic energy of ejecta. Ejecta mass looks very small for proposed progenitor candidate, but some explanations for such discrepancy are already proposed." @default.
- W2811014710 created "2018-07-10" @default.
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- W2811014710 date "2018-06-29" @default.
- W2811014710 modified "2023-09-27" @default.
- W2811014710 title "SN2017ein: bolometric light curve and physical parameters" @default.
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- W2811014710 hasPublicationYear "2018" @default.
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