Study of Supernovae Important for Cosmology
P.V.Baklanov (1,2), S.I.Blinnikov (1,2,3), M.Sh.Potashov (2),, A.D.Dolgov (1,2,4) ((1) ITEP, (2) NSU, (3) Kavli IPMU WPI, (4) Univ. Ferrara)
TL;DR
This paper reviews the dense shell method for measuring distances to type IIn supernovae, demonstrating its accuracy through application to specific supernovae and validating the blackbody model for simple distance estimates.
Contribution
It introduces and validates the dense shell method for supernova distance measurement, confirming its effectiveness and accuracy.
Findings
Distances obtained agree with known galaxy distances
Blackbody model is justified for simple supernova distance estimates
Method based on radiation hydrodynamics is effective
Abstract
The dense shell method for the determination of distances to type IIn supernovae has been briefly reviewed. Applying our method to SN 2006gy, SN 2009ip, and SN 2010jl supernovae, we have obtained distances in excellent agreement with the previously known distances to the parent galaxies. The dense shell method is based on the radiation hydrodynamic model of a supernova. The method of the blackbody model, as well as the correctness of its application for simple estimates of distances from observation data, has been justified.
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