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Просмотр по автору "Hudec R."

Просмотр по автору "Hudec R."

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  • Analysis of modern observations of meteor showers based on PTM methods 
    Sharafutdinova A.A.; Andreev A.O.; Nefedyev Y.A.; Hudec R.; Demina N.Y. (2021)
    The work is focused on the analysis of modern observations of meteoroids included in the data bank formed by both professional researchers and amateur astronomers. Based on the modern physical theory of meteoroids (PTM), ...
  • Application of biomimetics in x-ray optics 
    Hudec R.; Remisova K. (2017)
    © 2017 COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only. The principles of biomimetics were successfully applied in X ray optics in the past and recently, e.g. in Lobster-Eye optical systems. ...
  • Astronomical photographic data archives: Recent status 
    Hudec R. (2019)
    © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim I briefly present and discuss the recent status (with emphasis on digitization and data access) of astronomical photographic data archives worldwide, both photometric and ...
  • Astrophysical payloads for picosatellites 
    Hudec R. (2017)
    The recent progress in cubesatellite technology allows to consider scientific applications of these minsatellites including astrophysical research. Miniature X-ray and UV-payloads may serve as an example.
  • Astrophysics with digitized astronomical plate archives 
    Hudec R. (2018)
    © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim We discuss the recent status of astrophysical analyses with digitized astronomical plate archives with emphasis on high-energy and transient astrophysics. These data ...
  • Authenticating the Presence of a Relativistic Massive Black Hole Binary in OJ 287 Using Its General Relativity Centenary Flare: Improved Orbital Parameters 
    Dey L.; Valtonen M.; Gopakumar A.; Zola S.; Hudec R.; Pihajoki P.; Ciprini S.; Matsumoto K.; Sadakane K.; Kidger M.; Nilsson K.; Mikkola S.; Sillanpää A.; Takalo L.; Lehto H.; Berdyugin A.; Piirola V.; Jermak H.; Baliyan K.; Pursimo T.; Caton D.; Alicavus F.; Baransky A.; Blay P.; Boumis P.; Boyd D.; Torrent M.; Campos F.; Gómez J.; Chandra S.; Chavushyan V.; Dalessio J.; Debski B.; Drozdz M.; Er H.; Erdem A.; Pérez A.; Ramazani V.; Filippenko A.; Gafton E.; Ganesh S.; Garcia F.; Gazeas K.; Godunova V.; Pinilla F.; Gopinathan M.; Haislip J.; Harmanen J.; Hurst G.; Janík J.; Jelinek M.; Joshi A.; Kagitani M.; Karjalainen R.; Kaur N.; Keel W.; Kouprianov V.; Kundera T.; Kurowski S.; Kvammen A.; Lacluyze A.; Lee B.; Liakos A.; Lindfors E.; De Haro J.; Mugrauer M.; Nogues R.; Neely A.; Nelson R.; Ogloza W.; Okano S.; Pajdosz-Śmierciak U.; Pandey J.; Perri M.; Poyner G.; Provencal J.; Raj A.; Reichart D.; Reinthal R.; Reynolds T.; Saario J.; Sadegi S.; Sakanoi T.; González J.; Sameer; Schweyer T.; Simon A. (2018)
    © 2018. The American Astronomical Society. All rights reserved. Results from regular monitoring of relativistic compact binaries like PSR 1913+16 are consistent with the dominant (quadrupole) order emission of gravitational ...
  • Biomimetics and astronomical X-ray optics 
    Hudec R.; Remisova K. (2017)
    Some sea and water animals have strange mirror eyes which have (or might have) potential application in science and technology in general and in X-ray astrophysics in particular. While the principles of mirror eyes of ...
  • Constraining the period of the ringed secondary companion to the young star J1407 with photographic plates 
    Mentel R.; Kenworthy M.; Cameron D.; Scott E.; Mellon S.; Hudec R.; Birkby J.; Mamajek E.; Schrimpf A.; Reichart D.; Haislip J.; Kouprianov V.; Hambsch F.; Tan T.; Hills K.; Grindlay J.; Rodriguez J.; Lund M.; Kuhn R. (2018)
    © ESO 2018. Context. The 16 Myr old star 1SWASP J140747.93-394542.6 (V1400 Cen) underwent a series of complex eclipses in May 2007, interpreted as the transit of a giant Hill sphere filling debris ring system around a ...
  • Digitization and astrophysical use of Hewitt Camera Archive 
    Hudec R.; Hudec L.; Howarth J. (2018)
    © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim We briefly present the status of digitization and astrophysical use of the Hewitt Camera Archive, UK. These wide-field images, so far little used for astrophysical work, ...
  • Effective collecting area of lobster eye optics and optimal value of effective angle 
    Tichý V.; Barbera M.; Hudec R.; Willingale R. (2019)
    © 2019, The Author(s). Effective collecting area represents one of principal parameters of optical systems. The common requirement is to obtain as large effective collecting area as it is possible. The paper presents an ...
  • ESA THESEUS and cataclysmic variables 
    Hudec R.; Simon V.; Amati L.; Frontera F.; Bozzo E.; O'Brien P.T.; Goetz D. (2021)
    The capabilities of the considered space mission THESEUS for investigation of cataclysmic variables (CVs) are discussed.Transient High-Energy Sky and Early Universe Surveyor (THESEUS) is a space mission proposal accepted ...
  • ESA THESEUS and Czech participation 
    Hudec R.; Amati L.; Frontera F.; Bozzo E.; O'Brien P.T.; Goetz D.; Simon V. (2020)
    © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The recent status of the European Space Agency's (ESA) THESEUS (Transient High-Energy Sources and Early Universe Surveyor) project and the recent and expected Czech ...
  • European Space Agency SMILE and Czech participation 
    Hudec R.; Branduardi-Raymont G.; Sembay S.; Simon V. (2020)
    © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim SMILE (Solar wind Magnetosphere Ionosphere Link Explorer) is a space mission which aims to measure Earth's global system responses to solar wind and geomagnetic variations ...
  • Exploration of the high-redshift universe enabled by THESEUS 
    Tanvir N.R.; Le Floc’h E.; Christensen L.; Caruana J.; Salvaterra R.; Ghirlanda G.; Ciardi B.; Maio U.; D’Odorico V.; Piedipalumbo E.; Campana S.; Noterdaeme P.; Graziani L.; Amati L.; Bagoly Z.; Balázs L.G.; Basa S.; Behar E.; De Cia A.; Valle M.D.; De Pasquale M.; Frontera F.; Gomboc A.; Götz D.; Horvath I.; Hudec R.; Mereghetti S.; O’Brien P.T.; Osborne J.P.; Paltani S.; Rosati P.; Sergijenko O.; Stanway E.R.; Szécsi D.; Tot́h L.V.; Urata Y.; Vergani S.; Zane S. (2021)
    At peak, long-duration gamma-ray bursts are the most luminous sources of electromagnetic radiation known. Since their progenitors are massive stars, they provide a tracer of star formation and star-forming galaxies over ...
  • Fish eye optics 
    Hudec R.; Michalova S. (2017)
    We report on small student (high-school) project of the Czech Academy of Sciences dealing with animal (fish) eyes and possible application in science and technology. Albeit most fishes have refractive eyes, the recent ...
  • Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye 
    Wyrzykowski; Mróz P.; Rybicki K.A.; Gromadzki M.; Kołaczkowski Z.; Zieliński M.; Zieliński P.; Britavskiy N.; Gomboc A.; Sokolovsky K.; Hodgkin S.T.; Abe L.; Aldi G.F.; Almannaei A.; Altavilla G.; Al Qasim A.; Anupama G.C.; Awiphan S.; Bachelet E.; Baklş V.; Baker S.; Bartlett S.; Bendjoya P.; Benson K.; Bikmaev I.F.; Birenbaum G.; Blagorodnova N.; Blanco-Cuaresma S.; Boeva S.; Bonanos A.Z.; Bozza V.; Bramich D.M.; Bruni I.; Burenin R.A.; Burgaz U.; Butterley T.; Caines H.E.; Caton D.B.; Calchi Novati S.; Carrasco J.M.; Cassan A.; Epas V.; Cropper M.; Chruślińska M.; Clementini G.; Clerici A.; Conti D.; Conti M.; Cross S.; Cusano F.; Damljanovic G.; Dapergolas A.; D'Ago G.; De Bruijne J.H.J.; Dennefeld M.; Dhillon V.S.; Dominik M.; Dziedzic J.; Erece O.; Eselevich M.V.; Esenoglu H.; Eyer L.; Figuera Jaimes R.; Fossey S.J.; Galeev A.I.; Grebenev S.A.; Gupta A.C.; Gutaev A.G.; Hallakoun N.; Hamanowicz A.; Han C.; Handzlik B.; Haislip J.B.; Hanlon L.; Hardy L.K.; Harrison D.L.; Van Heerden H.J.; Hoette V.L.; Horne K.; Hudec R.; Hundertmark M.; Ihanec N.; Irtuganov E.N.; Itoh R.; Iwanek P.; Jovanovic M.D.; Janulis R.; Jelínek M.; Jensen E.; Kaczmarek Z.; Katz D.; Khamitov I.M.; Kilic Y.; Klencki J.; Kolb U.; Kopacki G.; Kouprianov V.V.; Kruszyńska K.; Kurowski S.; Latev G. (2020)
    © ESO 2020. Gaia16aye was a binary microlensing event discovered in the direction towards the northern Galactic disc and was one of the first microlensing events detected and alerted to by the Gaia space mission. Its light ...
  • Isodensity analysis of comets using the collection of digitized Engelhardt Astronomical Observatory photographic plates 
    Nefedyev Y.; Andreev A.; Hudec R. (2019)
    © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The field of astronomy dealing with comets is an important component of modern space investigations. This applies both to the study of physical, chemical, and evolutionary ...
  • Lobster eye optics: Position determination based on 1D optics with simple code mask 
    Nentvich O.; Urban M.; Blazek M.; Inneman A.; Hudec R.; Sieger L. (2019)
    Copyright © 2018 SPIE. Lobster eye X-ray optics in the one dimensional (1D) arrangement has advantages in higher reflectivity, especially for higher energies, compared to classical two dimensional (2D) Schmidt's arrangement. ...
  • Lobster eye type X-ray telescope with chromium-iridium coated tri-layer mirrors 
    Stehlikova V.; Döhring T.; Stollenwerk M.; Stadtmüller J.; Marsikova V.; Hudec R.; Flachs D.; Burwitz V.; Hartner G.; Rukdee S.; Müller T.; Inneman A.; Schmidt T.; Klementova M.; Zeising S.; Langmeier A. (2021)
    For space-born astronomical X-ray telescopes, iridium-based reflective layer systems are known as highly effective mirrors coatings. During the recent years, Aschaffenburg University of Applied Sciences and the Czech ...
  • Lobster eye X-ray monitors: Recent status 
    Hudec R.; Simon V. (2021)
    The capabilities of the considered space mission LOBSTER for investigation of cataclysmic variables (CVs) are discussed.

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