Search Results - "Kotrč, P."

New Observations of Balmer Continuum Flux in Solar Flares: Instrument Description and First Results by Kotrč, P., Procházka, O., Heinzel, P.

“…Increase in the Balmer continuum radiation during solar flares was predicted by various authors, but has never been firmly confirmed observationally using…”
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Simulation of Spectral Observations of an Eruptive Prominence by Kupryakov, Yu. A., Bychkov, K. V., Belova, O. M., Gorshkov, A. B., Kotrč, P.

“…The paper presents the results of an analysis of observations of an eruptive prominence on the MFS and HSFA2 spectrographs of the Ondřejov Observatory…”
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Hinode, TRACE, SOHO, and Ground-based Observations of a Quiescent Prominence by Heinzel, P, Schmieder, B, Fárník, F, Schwartz, P, Labrosse, N, Kotrč, P, Anzer, U, Molodij, G, Berlicki, A, DeLuca, E. E, Golub, L, Watanabe, T, Berger, T

“…A quiescent prominence was observed by several instruments on 2007 April 25. The temporal evolution was recorded in H alpha by the Hinode SOT, in X- rays by…”
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Analysis of the Eruptive Event after the Solar Flare of June 7, 2011 by Kupryakov, Yu. A., Gorshkov, A. B., Kotrč, P., Kashapova, L. K.

“…We present the results of the analysis of the observational data for the eruptive event of June 7, 2011 obtained both on spacecraft (SDO, LASCO) and using…”
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Study of an Extended EUV Filament Using SoHO/SUMER Observations of the Hydrogen Lyman Lines by Schwartz, P, Schmieder, B, Heinzel, P, Kotrc, P

“…A filament and its channel close to the solar disk were observed in the complete hydrogen Lyman spectrum, and in several EUV lines by the SUMER (Solar…”
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Study of an Extended EUV Filament Using SoHO/SUMER Observations of the Hydrogen Lyman Lines: II. Lyman α Line Observed During a Multi-wavelength Campaign by Schwartz, P., Schmieder, B., Heinzel, P., Kotrč, P.

“…A filament and its channel close to the solar disk were observed in the complete hydrogen Lyman spectrum, and in several EUV lines by the SUMER (Solar…”
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Simultaneous SOHO and Ground-Based Observations of a Large Eruptive Prominence and Coronal Mass Ejection by Plunkett, S.P, Vourlidas, A, Šimberová, S, Karlický, M, Kotrč, P, Heinzel, P, Kupryakov, Yu.A, Guo, W.P, Wu, S.T

“…Coronal mass ejections (CMEs) are frequently associated with erupting prominences near the solar surface. A spectacular eruption of the southern polar crown…”
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Measurement of linear polarization in the Hα line in solar flares by Kotrč, P.

“…Large solar telescopes built at places with a quite excellent seeing, equipped with a sophisticated optics and control system are too expensive and unique to…”
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Non-thermal particle effects on the Hα and Hβ line profiles in the 18 August 2002 solar flare by Kashapova, L. K., Kotrč, P., Kupryakov, Yu. A.

“…We present results of the 18 August 2002 flare analysis as an example for developing a diagnostic tool for thermal and non-thermal processes in chromospheric…”
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Multi-Wavelength Eclipse Observations of a Quiescent Prominence by Jejčič, S., Heinzel, P., Zapiór, M., Druckmüller, M., Gunár, S., Kotrč, P.

“…We construct the maps of temperatures, geometrical thicknesses, electron densities and gas pressures in a quiescent prominence. For this we use the RGB signal…”
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On measurements of the Balmer continuum flux in a solar flare: Analysis of pre-flare and flare pulsations by Zapiór, M., Kotrč, P., Oliver, R., Procházka, O., Heinzel, P.

“…A new ground based device for the measurement of the Balmer continuum flux in solar flares was recently developed and installed at the Ondřejov Observatory. We…”
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Modeling of Hα Eruptive Events Observed at the Solar Limb by Kotrč, P., Bárta, M., Schwartz, P., Kupryakov, Y. A., Kashapova, L. K., Karlický, M.

“…We present spectra and slit-jaw images of limb and on-disk eruptive events observed with a high temporal resolution by the Ondřejov Observatory optical…”
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Relation between cool and hot post-flare loops of 26 June 1992 derived from optical and X-ray (SXT-Yohkoh) observations by Schmieder, B., Heinzel, P., Wiik, J. E., Lemen, J., Anwar, B., Kotrč, P., Hiei, E.

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Reconstruction of the HSFA telescopes by Klvaňa, M., Kotrč, P., Knížek, M., Sobotka, M., Heinzel, P.

“…At present, two large horizontal solar telescopes with spectrographs, located at the Ondřejov Observatory, are undergoing an important reconstruction. The…”
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Evidence of magnetic field reconnection in the H alpha eruptive prominence on 18 September 1995 by Kotrc, P, Karlicky, M, Sicmberova, S, Knizek, M, Varady, M

“…In this paper we present a detailed study of a violent evolution of the 18 September 1995 eruptive prominence observed by the H alpha telescope and the…”
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Coordinated optical and Yohkoh observations of 26 June 1992 flare loops by Heinzel, P., Kotrč, P., Schmieder, B., Hiei, E., Anwar, B.

“…Optical spectra of large flare loops were detected by the Ondrejov Multichannel Flare Spectrograph (MFS) during coordinated observations with MSDP at Pic du…”
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On some peculiarities in the evolution of the McMath 16051 flare active region on 2-7 June, 1979 by GOLOVKO, A. A, KOTRC, P

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New Observations of Balmer Continuum Flux in Solar Flares, Instrument Description and First Results by Kotrč, P, Procházka, O, Heinzel, P

“…Increase in the Balmer continuum radiation during solar flares was predicted by various authors but never firmly confirmed observationally using ground-based…”
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Modeling of H[alpha] Eruptive Events Observed at the Solar Limb by Kotrc, P, Bárta, M, Schwartz, P, Kupryakov, Y A, Kashapova, L K, Karlický, M

“…Issue Title: Advances in European Solar Physics | Part II/II / Guest Editors: Valery M. Nakariakov, Manolis K. Georgoulis, and Stefaan Poedts We present…”
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Axially-symmetric Velocities in the 15 May 2000 Eruptive Prominence by Karlický, Marian, Kotrc, Pavel, Kupryakov, Yurij A

“…Large Doppler velocities with unique, almost regular elliptical features were observed in the Hα spectra of the May 15, 2000 eruptive prominence. These…”
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