Light Curves of the Type II-P Supernova SN 2017eaw: The First 200 Days


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Аннотация

We present the results of our UBVRI photometry for the type II-P supernova SN 2017eaw in NGC6946 obtained fromMay 14 to December 7, 2017, at several telescopes, including the 2.5-m telescope at the CaucasusHigh-Altitude Observatory of the SAIMSU. The dates andmagnitudes atmaximumlight and the light-curve parameters have been determined. The color evolution, extinction, and peak luminosity of SN 2017eaw are discussed. The results of our preliminary radiation–gasdynamic simulations of its light curves with the STELLA code describe satisfactorily the UBVRI observational data.

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Авторлар туралы

D. Tsvetkov

Sternberg Astronomical Institute

Хат алмасуға жауапты Автор.
Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 13, Moscow, 119992

S. Shugarov

Sternberg Astronomical Institute; Astronomical Institute

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 13, Moscow, 119992; Tatranská Lomnica, 05960

I. Volkov

Sternberg Astronomical Institute

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 13, Moscow, 119992

N. Pavlyuk

Sternberg Astronomical Institute

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 13, Moscow, 119992

O. Vozyakova

Sternberg Astronomical Institute

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 13, Moscow, 119992

N. Shatsky

Sternberg Astronomical Institute

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 13, Moscow, 119992

A. Nikiforova

St. Petersburg State University; Pulkovo Astronomical Observatory

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 28, Petrodvorets, St. Petersburg, 198504; Pulkovskoe sh. 65, St. Petersburg, 196140

I. Troitsky

St. Petersburg State University

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 28, Petrodvorets, St. Petersburg, 198504

Yu. Troitskaya

St. Petersburg State University

Email: tsvetkov@sai.msu.su
Ресей, Universitetskii pr. 28, Petrodvorets, St. Petersburg, 198504

P. Baklanov

Institute for Theoretical and Experimental Physics; Novosibirsk State University; National Research Nuclear University (MEPhI)

Email: tsvetkov@sai.msu.su
Ресей, ul. Bol’shaya Cheremushkinskaya 25, Moscow, 117259; ul. Pirogova 2, Novosibirsk, 630090; Kashirskoe sh. 31, Moscow, 115409

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