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Progress in Supernovae Studies with the 2.5-m Telescope at the Caucasus Mountain Observatory of SAI MSU

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Abstract

We present photometric and spectrocsopic observations of supernovae carried out with the 2.5-m telescope of the Caucasus Mountain Observatory of SAI MSU. The light curves for the objects 2017egm, 2017eaw, 2018cow, 2018aoq, 2018zd, 2019yvr, 2019vxm, 2020tlf, and 2020xtz were constructed and their basic parameters were determined. The observed light curves are compared to the theoretical calculations for SNe II-P 2017eaw and 2018aoq. The spectra of SNe 2019vxm, 2019yvr, 2020tlf, 2020xtz are presented. The profiles of emission lines are studied for SNe IIn 2019vxm and 2020tlf. Spectral modeling was carried out for SNe 2019yvr and 2020xtz. The results of the program of prompt SNe spectral classification for eight objects are reported.

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Notes

  1. IRAF is distributed by the National Optical Astronomy Observatory, which is operated by AURA under cooperative agreement with the National Science Foundation.

  2. https://www.wis-tns.org/

  3. http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19fje/

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ACKNOWLEDGMENTS

The authors express their gratitude to the staff of Sternberg Astronomy Institute of M. V. Lomonosov Moscow State University, who provided assistance in organizing the observations and participated in the data processing: N. I. Shatsky, S. A. Potanin, A. V. Dodin, K. E. Atapin, A. M. Tatarnikov, A. A. Belinski, O. V. Vozyakova, M. A. Burlak, N. P. Ikonnikova, I. M. Volkov, S. Yu. Shugarov, V. G. Metlov, V. P. Goranskij, S. V. Zhuyko, and S. G. Zheltoukhov. The work was carried out using equipment acquired through the funding of the Development Program of M. V. Lomonosov Moscow State University.

Funding

The work was supported by the Scientific and Educational School of M. V. Lomonosov Moscow State University ‘‘Fundamental and Applied Research in Space’’. The authors express their gratitude for the support from the Development Program of M. V. Lomonosov Moscow State University. The work of V. Echeistov was supported by the Ministry of Science and Higher Education of the Russian Federation within the framework of the funding program for major scientific projects of the national project ‘‘Science’’, grant No. 075-15-2020-778. The work of P. Baklanov on theoretical modeling of SNe light curves is supported by the grant from the Russian Science Foundation (RSF), grant No. 21-11-00362.

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Authors and Affiliations

  1. Sternberg Astronomical Institute, Moscow State University, 119234, Moscow, Russia

    D. Yu. Tsvetkov, N. N. Pavlyuk & V. A. Echeistov

  2. National Research Center ‘‘Kurchatov Institute’’, 117218, Moscow, Russia

    P. V. Baklanov

  3. Lebedev Physical Institute, Russian Academy of Sciences, 119333, Moscow, Russia

    P. V. Baklanov

  4. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, 125047, Moscow, Russia

    P. V. Baklanov

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  1. D. Yu. Tsvetkov
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  2. N. N. Pavlyuk
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  3. V. A. Echeistov
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  4. P. V. Baklanov
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Correspondence to D. Yu. Tsvetkov.

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Translated by E. Porphyrieva

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Tsvetkov, D.Y., Pavlyuk, N.N., Echeistov, V.A. et al. Progress in Supernovae Studies with the 2.5-m Telescope at the Caucasus Mountain Observatory of SAI MSU. Astrophys. Bull. 78, 514–534 (2023). https://doi.org/10.1134/S1990341323700232

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