prof. Mgr. Jiří Krtička, Ph.D.

Curriculum vitae

Name, first names, scientific degrees

• Jiří Krtička, born 28. July 1975 in Broumov

Department/Faculty/University

• Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno

Function, current position

• professor

Education and academic qualifications

• 1981-1989: elementary school Police nad Metují
• 1989-1993: secondary school Náchod
• 1993-1998: physics, Faculty of Science, Masarykov Univerzity in Brno, master thesis "Model atmospheres of K giants", supervisor doc. RNDr. Vladimír Štefl, CSc.
• 1998-2001: PhD study of theoretical physics and astrophysics, PhD thesis "Hydrodynamics of the stellar wind", supervisor RNDr. Jiří Kubát, CSc.
• 2007: habilition, Faculty of Science, Masaryk University, habilitation thesis NLTE models of hot-star winds

Professional experience

• 1998-2003: specialist, Astronomial Institute, Academy of Sciences of CR, Ondřejov
• 2001: specialist, Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno (3 months)
• 2001-2007: assistant professor, Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno
• 2002: research assistant, University of Glasgow, Glasgow, Scotland, Great Britain (6 months)
• 2008-2011: associate professor: Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno
• since 2012: professor: Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno

Teaching activities

• Mathematical analysis I, seminar tutor
• Mathematical analysis II, seminar tutor
• Thermodynamics and statistical physics, lecturer, seminar tutor
• Statistical physics and thermodynamics, lecturer, seminar tutor
• Introduction to the stellar physics, lecturer
• Introduction to the physics of stellar systems, lecturer
• Variable stars, lecturer
• Astronomical seminar, organizer of the seminar
• Practical astrophysics - basic course, lecturer
• Practical astrophysics - advanced course, lecturer
• Physics of hot stars, lecturer
• advisor of 3 PhD students
• advisor of 14 bachelor and 9 master thesis

Research activities

• hot star winds
• atmospheres of chemically peculiar stars
• outflowing discs of fast rotating stars
• cool star atmospheres
• principal investigator of the grant GA ČR 205/07/0031 "Stellar winds of first stars"
• principal investigator of the grant GA ČR GP205/03/D020 "Hydrodynamics of the stellar wind of hot stars"
• principal investigator of the grant GA AV IAA301630901 "Spectral energy distribution of hot stars and its variability"
• principal investigator of the grant GA ČR GA205/04/1267 "Circumstellar envelopes of hot stars"
• principal investigator of the grant GA ČR 205/08/0003 "Mass-loss rate predictions for hot stars"
• principal investigator of the grant MUNI/A/0968/2009 "Physis of stars and stellar systems"
• principal investigator of the grant MŠMT Aktion MEB 061014 "Magnetic and Variable Stars: From Ground to Space"
• principal investigator of the grant GA ČR P209/12/0217 "Multispectral variability of hot stars and its nature"
• principal investigator of the grant GA ČR 13-10589S "Mass loss of hot massive star"
• principal investigator of the grant GA ČR 16-01116S "Atmospheres and circumstellar environment of magnetic hot stars"
• principal investigator of the grant GA ČR 18-05665S "Mass-loss in evolved massive stars"

Professional stays abroad

• 2002: University of Glasgow, Glasgow, Scotland, Velká Británie (6 months)
• 2003: University of Glasgow, Glasgow, Scotland, Velká Británie (2 weeks)
• 2004: Astronomický ústav Slovenskej akadémie vied, Tatranská Lomnica, Slovakia (3 days)
• 2004: Hamburger Sternwarte, Hamburg, Germany (1 week)
• 2005: Tartu Observatoorium, Toravere, Estonia (1 week)
• 2005: Universität Potsdam, Postupim, Germany (1 week)
• 2006: Universitäts-Sternwarte München, Muenchen, Germany (3 days)
• 2006: Universität Potsdam, Potsdam, Germany (10 days)
• 2006: Astronomický ústav SAV, Tatranská Lomnica, Slovakia (3 days)
• 2007: Universitäts-Sternwarte München, Mnichov, Německo (3 days)
• 2007: Universität Potsdam, Postdam, Germany (1 week)
• 2008: Universität Wien, Wien, Austria (1 week)
• 2008: Canakkale Onsekiz Mart Universitesi, Canakkale, Turkey (1 week)
• 2008: Univerzitet u Beogradu, Beograd, Serbia (1 week)
• 2008: University of Delaware, Newark, USA (1 week)
• 2009: Universität Potsdam, Postdam, Germany (1 week)
• 2009: Universität Wien, Wien, Austria (3 days)

Non-university activities

• member of International Astronomical Union (IAU)
• member of the Scientific Council, Astronomical Institute, Academy of Sciences CR (2007-2011)
• panel member of GA ČR (2011-2015, 2013-2015 chair)
• member of the Supervisory board, Astronomical Institute, Academy of Sciences CR (sine 2017)

Major publications

• KUBATOVA, B., D. SZECSI, A. A. C. SANDER, J. KUBAT, F. TRAMPER, Jiří KRTIČKA, C. KEHRIG, W. R. HAMANN, R. HAINICH a T. SHENAR. Low-metallicity massive single stars with rotation II. Predicting spectra and spectral classes of chemically homogeneously evolving stars. Astronomy and Astrophysics. LES ULIS CEDEX A: EDP SCIENCES S A, roč. 623, FEB 25 2019, s. "A8-1"-"A8-32", 32 s. ISSN 1432-0746. doi:10.1051/0004-6361/201834360. 2019. URL info
• REINDL, Nicole, Matthew BAINBRIDGE, N. PRZYBILLA, S. GEIER, Milan PRVÁK, Jiří KRTIČKA, R. H. OSTENSEN, J. TELTING a K. WERNER. Unravelling the baffling mystery of the ultrahot wind phenomenon in white dwarfs. Monthly Notices of the Royal Astronomical Society. Oxford: OXFORD UNIV PRESS, roč. 482, č. 1, s. "L93"-"L98", 6 s. ISSN 0035-8711. doi:10.1093/mnrasl/sly191. 2019. Full Text info
• KRTIČKA, Jiří a Jiří KUBÁT. Global hot-star wind models for stars from Magellanic Clouds. Astronomy and Astrophysics. EDP Sciences, roč. 612, duben, s. "A20-1"-"A20-11", 11 s. ISSN 1432-0746. doi:10.1051/0004-6361/201731969. 2018. URL info
• KRTIČKA, Jiří a Achim FELDMEIER. Light variations due to the line-driven wind instability and wind blanketing in O stars. ASTRONOMY & ASTROPHYSICS. LES ULIS CEDEX A: EDP SCIENCES S A, roč. 617, léto, s. "A121-1"-"A212-7", 7 s. ISSN 1432-0746. doi:10.1051/0004-6361/201731614. 2018. URL info
• KRTIČKA, Jiří. Hot-star wind models with magnetically split line blanketing. ASTRONOMY & ASTROPHYSICS. LES ULIS CEDEX A: EDP SCIENCES S A, roč. 620, podzim, s. "A176-1"-"A176-4", 4 s. ISSN 1432-0746. doi:10.1051/0004-6361/201834097. 2018. info
• KRTIČKA, Jiří, Jiří KUBÁT a Iva KRTIČKOVÁ. Wind inhibition by X-ray irradiation in HMXBs: the influence of clumping and the final X-ray luminosity. ASTRONOMY & ASTROPHYSICS. LES ULIS CEDEX A: EDP SCIENCES S A, roč. 620, podzim, s. "A150-1"-"A150-14", 14 s. ISSN 1432-0746. doi:10.1051/0004-6361/201833419. 2018. URL info
• KRTIČKA, Jiří, L. HUANG, Miroslav JAGELKA, T. LUFTINGER, Zdeněk MIKULÁŠEK, E. NIEMCZURA, Milan PRVÁK, J. SILVESTER a G. WADE. The nature of light variations in magnetic hot stars. Contributions of the Astronomical Observatory Skalnaté Pleso. TATRANSKA LOMINICA: The Institute, roč. 48, č. 1, s. 170-174. ISSN 1335-1842. 2018. URL info
• KRTIČKA, Jiří, Zdeněk MIKULÁŠEK, Gregory W. HENRY, Petr KURFÜRST a Marian KARLICKY. Torsional oscillations and observed rotational period variations in early-type stars. Monthly Notices of the Royal Astronomical Society. Oxford: OXFORD UNIV PRESS, roč. 464, č. 1, s. 933-939. ISSN 0035-8711. doi:10.1093/mnras/stw2451. 2017. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Comoving frame models of hot star winds II. Reduction of O star wind mass-loss rates in global models. Astronomy and Astrophysics. EDP Sciences, roč. 606, October, s. "A31-1"-"A31-12", 12 s. ISSN 1432-0746. doi:10.1051/0004-6361/201730723. 2017. URL info
• KRTIČKA, Jiří, Jiří KUBÁT a Iva KRTIČKOVÁ. Stellar wind models of subluminous hot stars. Astronomy and Astrophysics. EDP Sciences, roč. 593, September, s. "nestrankovano", 14 s. ISSN 0004-6361. doi:10.1051/0004-6361/201628433. 2016. URL info
• KRTIČKA, Jiří. The nature of the light variability of magnetic Of?p star HD 191612. Astronomy and Astrophysics. EDP Sciences, roč. 594, october, s. "nestrankovano", 4 s. ISSN 0004-6361. doi:10.1051/0004-6361/201629222. 2016. URL info
• KRTIČKA, Jiří, Petr KURFÜRST a Iva KRTIČKOVÁ. Magnetorotational instability in decretion disks of critically rotating stars and the outer structure of Be and Be/X-ray disks. Astronomy and Astrophysics. EDP Sciences, roč. 573, january, s. "nestránkováno", 7 s. ISSN 0004-6361. doi:10.1051/0004-6361/201424867. 2015. URL info
• OKSALA, Mary Elisabeth, Oleg KOCHUKHOV, Jiří KRTIČKA, Richard H. TOWNSEND, Greg A. WADE, Milan PRVÁK, Zdeněk MIKULÁŠEK, J. SILVESTER a Stanley P. OWOCKI. Revisiting the rigidly rotating magnetosphere model for sigma Ori E – II. Magnetic Doppler imaging, arbitrary field RRM, and light variability. Monthly Notices of the Royal Astronomical Society. Oxford University Press, roč. 451, č. 2, s. 2015-2029. ISSN 0035-8711. doi:10.1093/mnras/stv1086. 2015. URL info
• KRTIČKA, Jiří, Jiří KUBÁT a Iva KRTIČKOVÁ. X-ray irradiation of the winds in binaries with massive components. Astronomy and Astrophysics. EDP Sciences, roč. 579, july, s. "nestránkováno", 15 s. ISSN 0004-6361. doi:10.1051/0004-6361/201525637. 2015. URL info
• KRTIČKA, Jiří. Mass loss in main-sequence B stars. Astronomy and Astrophysics. Les Ulis: EDP Sciences, roč. 564, April, s. "A70-1"-"A70-10", 10 s. ISSN 0004-6361. doi:10.1051/0004-6361/20131980. 2014. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Effect of rotational mixing and metallicity on the hot star wind mass-loss rates. Astronomy and Astrophysics. EDP Sciences, roč. 567, JULY, s. "A63-1"-"A63-7", 7 s. ISSN 0004-6361. doi:10.1051/0004-6361/201423845. 2014. URL info
• KRTIČKA, Jiří, Jan JANÍK, Hana MARKOVÁ, Zdeněk MIKULÁŠEK, Juraj ZVERKO, Milan PRVÁK a Marek SKARKA. Ultraviolet and visual flux and line variations of one of the least variable Bp stars HD 64740. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 556, léto, s. "A18-1"-"A18-11", 11 s. ISSN 0004-6361. doi:10.1051/0004-6361/201221018. 2013. URL info
• GRANADA, A., S. EKSTROEM, C. GEORGY, Jiří KRTIČKA, S. OWOCKI, Georges MEYNET a A. MAEDER. Populations of rotating stars II. Rapid rotators and their link to Be-type stars. ASTRONOMY & ASTROPHYSICS. LES ULIS CEDEX A: EDP SCIENCES S A, roč. 553, květen, s. "A25-1"-"A25-14", 14 s. ISSN 0004-6361. doi:10.1051/0004-6361/201220559. 2013. URL info
• KRTIČKA, Jiří, Zdeněk MIKULÁŠEK, Theresa LÜFTINGER, Denis SHULYAK, Juraj ZVERKO, Jozef ŽIŽŇOVSKÝ a Nikolaj SOKOLOV. Modelling of the ultraviolet and visual SED variability in the hot magnetic Ap star CU Virginis. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 537, A14, s. A14-1;A11-14, 14 s. ISSN 0004-6361. doi:10.1051/0004-6361/201117490. 2012. URL info
• KRTIČKA, Jiří, Jiří KUBÁT a Jan SKALICKÝ. X-Ray Photoionized Bubble in the Wind of Vela X-1 Pulsar Supergiant Companion. Astrophysical Journal. Chicago: University of Chicago Press, roč. 757, č. 2, s. 162-167. ISSN 0004-637X. doi:10.1088/0004-637X/757/2/162. 2012. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Influence of extreme ultraviolet radiation on the P V ionization fraction in hot star winds. Monthly Notices of the Royal Astronomical Society. roč. 427, č. 1, s. 84-90. ISSN 0035-8711. doi:10.1111/j.1365-2966.2012.21895.x. 2012. URL info
• MUIJRES, Lianne, Alex DE KOTER, Jorick VINK, Jiří KRTIČKA, Jiří KUBÁT a Norbert LANGER. Predictions of the effect of clumping on the wind properties of O-type stars. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 526, zima, s. "A32-1"-"A32-11", 11 s. ISSN 0004-6361. doi:10.1051/0004-6361/201014290. 2011. URL info
• KRTIČKA, Jiří, Stanley P. OWOCKI a Georges MEYNET. Mass and angular momentum loss via decretion disks. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 527, č. 03, s. "A84-1"-"A84-9", 9 s. ISSN 0004-6361. doi:10.1051/0004-6361/201015951. 2011. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Improved velocity law parameterization for hot star winds. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 534, podzim, s. "A97-1"-"A97-3", 3 s. ISSN 0004-6361. doi:10.1051/0004-6361/201116679. 2011. URL info
• KRTIČKA, Jiří, Viktor VOTRUBA a Jiří KUBÁT. Weak wind effects in CNO driven winds of hot first stars. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 516, červenec, s. A100, 9 s. ISSN 0004-6361. 2010. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Comoving frame models of hot star winds I. Test of the Sobolev approximation in the case of pure line transitions. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 519, č. 09, s. A-50-1, 9 s. ISSN 0004-6361. 2010. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. NLTE wind models of hot subdwarf stars. Astrophysics and Space Science. Heidelberg: Springer Science+Business Media B.V., roč. 329, č. 1, s. 145-150. ISSN 0004-640X. 2010. URL info
• VOTRUBA, Viktor, Achim FELDMEIER, Jiří KRTIČKA a Jiří KUBÁT. Multicomponent stellar wind from hot subdwarfs stars. Astrophysics and Space Science. Heidelberg: Springer Science+Business Media B.V., roč. 329, č. 1, s. 159-161. ISSN 0004-640X. 2010. URL info
• SHULYAK, Denis, Jiří KRTIČKA, Zdeněk MIKULÁŠEK, Oleg KOCHUKHOV a Theresa LÜFTINGER. Modelling the light variability of the Ap star epsilon Ursae Majoris. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 524, November, s. A66-1;A66-9, 9 s. ISSN 0004-6361. 2010. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. CNO-driven winds of hot first stars. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 2009, č. 493, s. 585-593. ISSN 0004-6361. 2009. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. NLTE models of line-driven stellar winds III. Influence of X-ray radiation on wind structure of O stars. Monthly Notices of the Royal Astronomical Society. roč. 394, č. 4, s. 2065 - 2079. ISSN 0035-8711. 2009. URL info
• KRTIČKA, Jiří, Zdeněk MIKULÁŠEK, Gregory W. HENRY, Juraj ZVERKO, Jozef ZIZNOVSKY, Jan SKALICKÝ a Pavel ZVĚŘINA. The nature of the light variability of the silicon star HR 7224. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 37, č. 499, s. 567-577. ISSN 0004-6361. 2009. URL info
• KRTIČKA, Jiří, Achim FELDMEIER, Lida OSKINOVA, Jiří KUBÁT a Wolf-Rainer HAMANN. X-ray emission from hydrodynamical simulations in non-LTE wind models. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, Neuveden, č. 508, s. 841-848. ISSN 0004-6361. 2009. URL info
• KRAUS, Michaela, Jiří KUBÁT a Jiří KRTIČKA. On the importance of the wind emission to the optical continuum of OB supergiants. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 36, č. 481, s. 499-506. ISSN 0004-6361. 2008. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Hot star wind models with new solar abundances. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 2007, č. 464, s. L17-L20, 4 s. ISSN 0004-6361. 2007. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Radiatively Driven Winds of OB Stars - from Micro to Macro. In Active OB-Stars: Laboratories For Stellar and Circumstellar Physics. San Francisco, USA: Astronomical Society of the Pacific. s. 153-164. ISBN 978-1-583812-29-7. 2007. URL info
• KRTIČKA, Jiří, Zdeněk MIKULÁŠEK, Juraj ZVERKO a Jozef ŽIŽŇOVSKÝ. The light variability of the helium strong star HD 37776 as a result of its inhomogeneous elemental surface distribution. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 39, č. 470, s. 1089-1098, 12 s. ISSN 0004-6361. 2007. URL URL info
• KRTIČKA, Jiří a Jiří KUBÁT. The winds of hot massive first stars. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 2006, č. 446, s. 1039-1049. ISSN 0004-6361. 2006. URL info
• KRTIČKA, Jiří. NLTE models of line-driven stellar winds II. O stars in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society. roč. 367, č. 3, s. 1282-1296. ISSN 0035-8711. 2006. URL info
• KRTIČKA, Jiří, Jiří KUBÁT a Detlef GROOTE. Multicomponent radiatively driven stellar winds IV. On the helium decoupling in the wind of sigma Ori E. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 460, č. 1, s. 145-153. ISSN 0004-6361. 2006. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Mass Loss from Massive Zero-Metallicity Stars. In Stellar Evolution at Low Metallicity: Mass Loss, Explosions. San Francisco, USA: Astronomical Society of the Pacific. s. 133-140. ISBN 1-58381-221-0. 2006. URL info
• KRTIČKA, Jiří, Daniela KORČÁKOVÁ a Jiří KUBÁT. Challenges to the theories of B stars circumstellar environment. In Publ. Astron. Inst. Czech. 93. vyd. Ondrejov: AsU AV CR. s. 29-35. 2005. URL info
• KUBÁT, Jiří, Jiří KRTIČKA a Izold PUSTYLNIK. Radiation induced coronal wind in late B stars. New Astronomy. roč. 2004, č. 9, s. 215-224. ISSN 1384-1076. 2004. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. NLTE models of line-driven stellar winds I. Method of calculation and first results for O stars. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 2004, č. 417, s. 1003-1016. ISSN 0004-6361. 2004. URL info
• KRTIČKA, Jiří, Richard K. BARRETT, John C. BROWN a Stanley P. OWOCKI. Kinematic model inversions of hot star recurrent DAC data - tests against dynamical CIR models. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 2004, č. 417, s. 1039-1045. ISSN 0004-6361. 2004. URL info
• SAAD, Somaya M., Jiří KUBÁT, Pavel KOUBSKÝ, Petr HARMANEC, Petr ŠKODA, Daniela KORČÁKOVÁ, Jiří KRTIČKA, Miroslav ŠLECHTA, Hrvoj BOŽIČ, H. AK, Petr HADRAVA a Viktor VOTRUBA. Properties and nature of Be stars XXIII. Long-term variations and physical properties of kappa Dra. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 35, č. 419, s. 607-621. ISSN 0004-6361. 2004. URL info
• KRTIČKA, Jiří, Daniela KORČÁKOVÁ a Jiří KUBÁT. Challenges to the theories of B stars circumstellar environment. Challenges to the theories of B stars circumstellar environmentAs. Astronomische Nachrichten. roč. 325, č. 1, s. 19-19. ISSN 0004-6337. 2004. URL info
• KRTIČKA, Jiří, Stanley P. OWOCKI, Jiří KUBÁT, Ross K. GALLOWAY a John C. BROWN. On multicomponent effects in stellar winds of stars at extremely low metallicity. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 35, č. 402, s. 713-718. ISSN 0004-6361. 2003. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Multicomponent radiatively driven stellar winds III. Radiative-acoustic waves in a two-component wind. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 35, č. 388, s. 531-549. ISSN 0004-6361. 2002. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Multicomponent radiatively driven stellar winds I.Nonisothermal three-component wind of hot B stars. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 35, č. 369, s. 222-238. ISSN 0004-6361. 2001. URL info
• KRTIČKA, Jiří a Jiří KUBÁT. Multicomponent radiatively driven stellar windsII. Gayley-Owocki heating in multitemperature winds of OB stars. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 35, č. 377, s. 175-191. ISSN 0004-6361. 2001. info
• KRTIČKA, Jiří a Jiří KUBÁT. Isothermal two-component stellar wind of hot stars. Astronomy and Astrophysics. Heidelberg: Springer-Verlag, roč. 32, č. 359, s. 983-990. ISSN 1432-0746. 2000. URL info
• HARMANEC, Petr, Pevel HABUDA, Stanislav ŠTEFL, Petr HADRAVA, Daniela KORČÁKOVÁ, Pevel KOUBSKÝ, Jiří KRTIČKA, Jiří KUBÁT, Petr ŠKODA, Miroslav ŠLECHTA a Marek WOLF. Properties and nature of Be stars. XX. Binary nature and orbital elements of gamma Cas. Astronomy and Astrophysics. Les Ulis Cedex, France: EDP Sciences, roč. 33, č. 364, s. 85-88. ISSN 0004-6361. 2000. URL info
• KRTIČKA, Jiří a Vladimír ŠTEFL. Atmosphere parameters of four K-giants obtained by spectrum fitting. Astronomy and Astrophysics Supplement Series. Les Ulis Cedex (France): EDP Sciences, roč. 31, č. 138, s. 47-54. ISSN 0365-0138. 1999. URL info

2018/10/31