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

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Abstract

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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Authors and Affiliations

  1. Sternberg Astronomical Institute, Moscow State University (SAI MSU), Universitetskii pr. 13, Moscow, 119992, Russia

    D. Yu. Tsvetkov, S. Yu. Shugarov, I. M. Volkov, N. N. Pavlyuk, O. V. Vozyakova & N. I. Shatsky

  2. Astronomical Institute, Academy of Sciences of Slovakia, P.O. Box 18, Tatranská Lomnica, 05960, Slovakia

    S. Yu. Shugarov

  3. St. Petersburg State University, Astronomical Institute, Universitetskii pr. 28, Petrodvorets, St. Petersburg, 198504, Russia

    A. A. Nikiforova, I. S. Troitsky & Yu. V. Troitskaya

  4. Pulkovo Astronomical Observatory, Russian Academy of Sciences, Pulkovskoe sh. 65, St. Petersburg, 196140, Russia

    A. A. Nikiforova

  5. Institute for Theoretical and Experimental Physics, ul. Bol’shaya Cheremushkinskaya 25, Moscow, 117259, Russia

    P. V. Baklanov

  6. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    P. V. Baklanov

  7. National Research Nuclear University (MEPhI), Kashirskoe sh. 31, Moscow, 115409, Russia

    P. V. Baklanov

Authors
  1. D. Yu. Tsvetkov
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  2. S. Yu. Shugarov
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  3. I. M. Volkov
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  4. N. N. Pavlyuk
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  5. O. V. Vozyakova
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  6. N. I. Shatsky
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  7. A. A. Nikiforova
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  8. I. S. Troitsky
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  9. Yu. V. Troitskaya
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  10. P. V. Baklanov
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Corresponding author

Correspondence to D. Yu. Tsvetkov.

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Tsvetkov, D.Y., Shugarov, S.Y., Volkov, I.M. et al. Light Curves of the Type II-P Supernova SN 2017eaw: The First 200 Days. Astron. Lett. 44, 315–323 (2018). https://doi.org/10.1134/S1063773718050043

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  • DOI: https://doi.org/10.1134/S1063773718050043

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