Searching for optical flares on the X-ray transient EXO 040830-7134.7

Article Sidebar

PDF XML
Published: 24.12.2024
Metrics Information

Main Article Content

Aleksei Shlyapnikov
Crimean Astrophysical Observatory, Nauchny 298409
Mark Gorbachev
Crimean Astrophysical Observatory, Nauchny, 298409; Kazan (Volga region) Federal University, Kazan 420008, Russia

Abstract

This paper provides a brief overview of the research on EXO 040830-7134.7 since the discovery of the X-ray transient. The data of its observations in the X-ray and optical ranges of the spectrum are analyzed. As a result of processing the light curves and through visual control, more than 30 significant flares have been detected. The maximum flare energy is recorded at 1034 erg. Images with the most typical flares are presented in this publication.

Keywords: X-ray transient, red dwarf, optical flares

Supporting Agencies

The authors would like to thank all who ensure the operation of the Strasbourg Astronomical Data Center and express their gratitude to the Russian Foundation for Basic Research for partial support of the conducted research through grants No. 19-02-00191 and No. 19-29-11027 (first author).

Article Details

Issue

Vol. 5 No. 4 (2024)

Section

Magnetism and activity of the Sun and stars – 2021 Conference proceedings

How to Cite

Shlyapnikov A., Gorbachev M., 2024. Acta Astrophysica Taurica, vol. 5, no. 4, pp. 1–4. Available at: https://astrophysicatauricum.org/index.php/aat/article/view/92 (Accessed: 21 March 2026)

The metadata for this submission is licensed under a Creative Commons Attribution 4.0 International License.

Copyright and publishing rights for texts published in Acta Astrophysica Taurica is retained by the authors, with first publication rights granted to the journal.Texts are free to use with proper attribution and link to the licensing (Creative Commons Attribution 4.0 International).

Creative Commons License

References

Gorbachev M.A., Shlyapnikov A.A., 2021. 25th All-Russian Annual Conference on Solar Physics, Proceedings, SPb, pp. 97–100. (In Russ.)

Boller Th., Freyberg M.J., Trümper J. et al., 2016. Astron. Astrophys., vol. 588, id. A103.

Castro-Tirado A.J., Brandt S., Lund N., 1999. Astron. Astrophys., vol. 347, p. 927.

Cutispoto G., Tagliaferri G., Pallavicini R., et al., 1996. Astron. Astrophys. Sup., vol. 115, p. 41.

Della C.R., Maccacaro T., Caccianiga A., et al., 2004. Astron. Astrophys., vol. 428, p. 383.

Gershberg R.E., Katsova M.M., Lovkaya M.N., et al., 1999. Astron. Astrophys. Sup., vol. 139, p. 555.

Gershberg R.E., Terebizh A.V., Shlyapnikov A.A., 2011. Bull. Crim. Astrophys. Observ., vol. 107, iss. 1, p. 11.

Giommi P., Perri M., Fiore F., 2000. Astron. Astrophys., vol. 362, p. 799.

Günther M., Zhan Z., Seager S., et al., 2020. Astron. J., vol. 159, p. 60.

Linsky J.L., 1991. Memorie della Societa Astronomica Italiana, vol. 62, p. 307.

Pettersen B.R., 1991. Memorie della Societa Astronomica Italiana, vol. 62, p. 217.

Ricker G.R., Winn J.N., Vanderspek R., et al., 2014. Proceed. of the SPIE, vol. 9143, id. 914320, p. 20.

van der Woerd H., Tagliaferri G., Thomas H.C., et al., 1989. Astron. Astrophys., vol. 220, p. 221.

Voges W., Gruber R., Haberl F., et al., 1994. ROSAT Source Catalog. Available at: https://vizier.cds.unistra.fr/viz-bin/VizieR?-source=IX/11 (Accessed: 05 November 2021).