Search Results - "Sekeráš, M"

MASS-LOSS RATE BY THE MIRA IN THE SYMBIOTIC BINARY V1016 CYGNI FROM RAMAN SCATTERING by Sekeráš, M., Skopal, A.

“…ABSTRACT The mass-loss rate from Mira variables represents a key parameter in our understanding of their evolutionary tracks. We introduce a method for…”
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Diagnostic of the Symbiotic Stars Environment by Thomson, Raman and Rayleigh Scattering Processes by Sekeráš, M., Skopal, A.

“…Symbiotic stars are long-period interacting binaries consisting of a cool giant as the donor star and a white dwarf as the acretor. Due to acretion of the…”
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Electron optical depths and temperatures of symbiotic nebulae from Thomson scattering by Sekeráš, M., Skopal, A.

“…Symbiotic binaries are comprised of nebulae, whose densest portions have electron concentrations of 108-1012 cm−3 and extend to a few astronomical units. They…”
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Contribution of the Electron Scattering Process to the Broad Hα Wings by Sekeráš M., Skopal A.

“…We modeled the extended wings of the OVI 1032, 1038 Å resonance lines and He II 1640 Å emission line in the spectra of Z And, AG Dra and V1016 Cyg by the…”
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What Powers the 2006 Outburst of the Symbiotic Star BF Cygni? by Skopal, A., Sekeráš, M., Tomov, N. A., Tomova, M. T., Tarasova, T. N., Wolf, M.

“…BF Cygni is a classical symbiotic binary. Its optical light curve occasionally shows outbursts of the Z And-type, whose nature is not well understood. During…”
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Affordable échelle spectroscopy with a 60 cm telescope by Pribulla, T., Garai, Z., Hambálek, Ľ., Kollár, V., Komžík, R., Kundra, E., Nedoroščík, J., Sekeráš, M., Vaňko, M.

“…A new fiber‐fed spectrograph was installed at the 60 cm telescope of the Stará Lesná Observatory. The article presents tests of its performance (spectral…”
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Electron optical depths and temperatures of symbiotic nebulae from Thomson scattering: Thomson scattering and symbiotic nebulae by Sekeráš, M., Skopal, A.

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Photometry of Symbiotic Stars - XIV by Sekeráš, M, Skopal, A, Shugarov, S, Shagatova, N, Kundra, E, Komžík, R, Vrašťák, M, Peneva, S. P, Semkov, E, Stubbings, R

“…2019, Contributions of the Astronomical Observatory Skalnat\'e Pleso, vol. 49, no. 1, p. 19-66 on-line:…”
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New outburst of the symbiotic nova AG Peg after 165 years by Skopal, A, Shugarov, S. Yu, Sekeráš, M, Wolf, M, Tarasova, T. N, Teyssier, F, Fujii, M, Guarro, J, Garde, O, Graham, K, Lester, T, Bouttard, V, Lemoult, T, Sollecchia, U, Montier, J, Boyd, D

“…A&A 604, A48 (2017) AG Peg is known as the slowest symbiotic nova, which experienced its nova-like outburst around 1850. After 165 years, during June of 2015,…”
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Electron optical depths and temperatures of symbiotic nebulae from Thomson scattering by Sekeras, M, Skopal, A

“…Symbiotic binaries are comprised of nebulae, whose densest portions have electron concentrations of 1E+8 - 1E+12 cm-3 and extend to a few AU. They are…”
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Evolved stars as donors in symbiotic binaries by Skopal, A, Sekeras, M, Shagatova, N

“…EAS Publications Series, Volume 71-72, 2015, pp.189-192 This contribution is focused on the role of cool giants in symbiotic binaries. Especially, we pay…”
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The origin of the supersoft X-ray--optical/UV flux anticorrelation in the symbiotic binary AG Draconis by Skopal, A, Sekeras, M, Gonzalez-Riestra, R, Viotti, R. F

“…AG Draconis produces a strong supersoft X-ray emission.The X-ray and optical/UV fluxes are in a strict anticorrelation throughout the active and quiescent…”
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