Search results
- 1.0574119 - ASÚ 2024 RIV RS eng J - Journal Article
Vondrák, Jan - Böhm, V. - Böhm, B.
Newly found Mayan records of astronomical phenomena in Dresden Codex.
Serbian Astronomical Journal. Roč. 206, June (2023), s. 29-37. ISSN 1450-698X. E-ISSN 1820-9289
Institutional support: RVO:67985815
Keywords : ephemerides * planets and satellites * history and philosophy of astronomy
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 0.5, year: 2022
Method of publishing: Open access
Permanent Link: https://hdl.handle.net/11104/0344471File Download Size Commentary Version Access 574119.pdf 2 5.1 MB Publisher’s postprint open-access - 2.0557766 - ASÚ 2023 RIV RS eng J - Journal Article
Vondrák, Jan - Böhm, V. - Böhm, B.
Did Old Maya Observe Mercury?
Serbian Astronomical Journal. Roč. 204, č. 1 (2022), s. 65-76. ISSN 1450-698X. E-ISSN 1820-9289
Institutional support: RVO:67985815
Keywords : calendar * ephemerides * Mercury
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 0.5, year: 2022
Method of publishing: Open access
Permanent Link: http://hdl.handle.net/11104/0332253File Download Size Commentary Version Access 557766.pdf 1 2.3 MB Publisher’s postprint open-access - 3.0553002 - ASÚ 2022 CZ cze J - Journal Article
Böhm, B. - Böhm, V. - Vondrák, Jan
Mayská data maximálních elongací Merkuru v Drážďanském kodexu.
[Mayan dates of Mercury's greatest elongations in Dresden Codex.]
Astropis. Roč. 126, č. 1 (2021), s. 30-33. ISSN 1211-0485
Institutional support: RVO:67985815
Keywords : Mercury * greatest elongations * Dresden Codex
OECD category: Astronomy (including astrophysics,space science)
Permanent Link: http://hdl.handle.net/11104/0328466 - 4.0537141 - ASÚ 2021 RIV CZ eng J - Journal Article
Vondrák, Jan - Ron, Cyril
Period and Q-Factor of Free Core Nutation, Based on Different Geophysical Excitations and VLBI Solutions.
Acta geodynamica et geomaterialia. Roč. 17, č. 2 (2020), s. 207-215. ISSN 1214-9705. E-ISSN 2336-4351
Institutional support: RVO:67985815
Keywords : rotation of the Earth * geophysical excitations * geomagnetic jerks
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 1.176, year: 2020
Method of publishing: Open access
Permanent Link: http://hdl.handle.net/11104/0314892File Download Size Commentary Version Access 537141.pdf 1 1.5 MB Publisher’s postprint open-access - 5.0521618 - ASÚ 2020 RIV CZ eng J - Journal Article
Ron, Cyril - Vondrák, Jan - Dill, R. - Chapanov, Y.
Combination of geo-magnetic jerks with updated ESMGFZ effective angular momentum functions for the modelling of polar motion excitation.
Acta geodynamica et geomaterialia. Roč. 16, č. 4 (2019), s. 359-363. ISSN 1214-9705. E-ISSN 2336-4351
Institutional support: RVO:67985815
Keywords : polar motion * geophysical excitation * geomagnetic jerks
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 1.227, year: 2019
Method of publishing: Open access
Permanent Link: http://hdl.handle.net/11104/0306222File Download Size Commentary Version Access 521618.pdf 2 1.4 MB Publisher’s postprint open-access - 6.0510922 - ASÚ 2020 RIV CZ eng J - Journal Article
Vondrák, Jan - Ron, Cyril
New GFZ effective angular momentum excitation functions and their impact on nutation.
Acta geodynamica et geomaterialia. Roč. 16, č. 2 (2019), s. 151-155. ISSN 1214-9705. E-ISSN 2336-4351
Institutional support: RVO:67985815
Keywords : rotation of the Earth * geophysical excitations * geomagnetic jerks
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 1.227, year: 2019
Method of publishing: Open access
Permanent Link: http://hdl.handle.net/11104/0301286File Download Size Commentary Version Access 510922.pdf 2 915.3 KB Publisher’s postprint open-access - 7.0500543 - ASÚ 2019 CZ cze J - Journal Article
Vondrák, Jan
Ohlédnutí za historií Hvězdářské ročenky.
[Looking back at the history of Astronomical Yearbook.]
Astropis. Roč. 25, č. 3 (2018), s. 30-32. ISSN 1211-0485
Institutional support: RVO:67985815
Keywords : history * publishing
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics
Permanent Link: http://hdl.handle.net/11104/0292644 - 8.0486689 - ASÚ 2018 RIV RS eng J - Journal Article
Vondrák, Jan - Ron, Cyril
Geophysical fluids, geomagnetic jerks, and their impact on Earth orientation.
Publications of the Astronomical Observatory of Belgrade. Roč. 96, č. 1 (2017), s. 51-60. ISSN 0373-3742.
[National Conference of Astronomers of Serbia /17./. Belgrade, 23.09.2014-27.09.2014]
R&D Projects: GA ČR GA13-15943S
Institutional support: RVO:67985815
Keywords : Earth orientation * geophysical fluids * geomagnetic jerks
OECD category: Physical geography
Permanent Link: http://hdl.handle.net/11104/0281435 - 9.0478844 - ASÚ 2018 RIV CZ eng J - Journal Article
Chapanov, Y. - Ron, Cyril - Vondrák, Jan
Accuracy and Sensitivity of a Method of Jump Detection, Evaluated by Simulated Time Series.
Acta geodynamica et geomaterialia. Roč. 14, č. 1 (2017), s. 73-82. ISSN 1214-9705. E-ISSN 2336-4351
R&D Projects: GA ČR GA13-15943S
Institutional support: RVO:67985815
Keywords : time series * data jump detection * high-sensitive method
OECD category: Physical geography
Impact factor: 0.886, year: 2017
Permanent Link: http://hdl.handle.net/11104/0274891 - 10.0478843 - ASÚ 2018 RIV CZ eng J - Journal Article
Chapanov, Y. - Ron, Cyril - Vondrák, Jan
Decadal Cycles of Earth Rotation, Mean Sea Level and Climate, Excited by Solar Activity.
Acta geodynamica et geomaterialia. Roč. 14, č. 2 (2017), s. 241-250. ISSN 1214-9705. E-ISSN 2336-4351
R&D Projects: GA ČR GA13-15943S
Institutional support: RVO:67985815
Keywords : Earth rotation * solar activity * mean sea level
OECD category: Physical geography
Impact factor: 0.886, year: 2017
Permanent Link: http://hdl.handle.net/11104/0274890