Výsledky vyhledávání

An orbital determination of Triton with the use of a revised pole model

Autor: K. X. Shen, X. Cheng, H. Y. Zhang, S. H. Wang, G. Dourneau, Dahai Yan, Shanshan Li, X. J. Xi, D. Harper, R. C. Qiao

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2014, 438 (2), pp.1663-1668. ⟨10.1093/MNRAS/STT2304⟩

International audience; In this paper, we used the 3108 Earth-based astrometric observations from the Natural Satellite Data Center over more than 30 yr time span from 1975 to 2006 for determining the epoch state vectors of the Neptunian largest sate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5af6a7cd6ec46989657c4f8b608711c7
https://doi.org/10.1093/mnras/stt2304

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Digitization and reduction of old astronomical plates of natural satellites★

Autor: X. J. Xi, R. C. Qiao, X. Cheng, Ye-Zhao Yu, H. Y. Zhang, Dahai Yan, G. Dourneau

International audience; Old astrophotographic plates are precious sources of historical data for astronomical studies, especially regarding the improvement of natural satellite orbits. Today, with the advent of new, accurate techniques, these old dat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b79ff701d19cf48c78f89ad8577fd530
http://hdl.handle.net/20.500.12278/95858

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Updated Phoebe’s orbit

Autor: K. X. Shen, H. Y. Zhang, Shanshan Li, R. C. Qiao, G. Dourneau, S. H. Wang, Zheng-Hong Tang

Publikováno v: Monthly Notices of the Royal Astronomical Society. 417:2387-2391

In recent years, many new CCD observations of Phoebe, the ninth Saturnian satellite, were published. In this paper, we have used all the observations of Phoebe available until 2009 to update Phoebe's orbit. These observations represent a total number

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f46d9a23e600765d16f1dee9b0f560f
https://doi.org/10.1111/j.1365-2966.2011.19420.x

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CCD astrometric observations of Phoebe in 2005-2008

Autor: X. Cheng, X. J. Xi, H. Y. Zhang, Z. X. Qi, R. C. Qiao, S. H. Wang, G. Dourneau, K. X. Shen, Zheng-Hong Tang

Publikováno v: Monthly Notices of the Royal Astronomical Society. 413:1079-1082

Astrometric observations of Phoebe, the faint ninth satellite of Saturn, with a visual magnitude of 16.5, were performed during four successive oppositions in 2005, 2006, 2007 and 2008. A total of 1173 new observed positions of Phoebe, representing m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9cb0b5e1d02fa9ec74b9fb6ca243a9a2
https://doi.org/10.1111/j.1365-2966.2011.18214.x

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Astrometric observations of Nereid in 2006-2007★

Autor: X. Cheng, K. X. Shen, X. Y. Hu, X. J. Xi, Zheng-Hong Tang, R. C. Qiao, S. H. Wang, G. Dourneau

Publikováno v: Monthly Notices of the Royal Astronomical Society. 391:1791-1795

In this paper, we present 112 new CCD astrometric positions of Nereid, the second and faint satellite of Neptune (mv � 19). We observed this small satellite in the 2006–2007 period with the 1 and 2.16-m telescopes of Xinglong Station near Beijing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1cd483db5537c759af77b8efa45c3524
https://doi.org/10.1111/j.1365-2966.2008.13982.x

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The PHEMU09 catalogue and astrometric results of the observations of the mutual occultations and eclipses of the Galilean satellites of Jupiter made in 2009

Autor: M. I. Varfolomeev, Nello Ruocco, J. Prost, J. Garlitz, Brian Loader, A. Amossé, J. Mcfarland, C. Druon, Christian Napoli, J. Grismore, A. Sonka, M. Unwin, D. N. da Silva Neto, C. Lopresti, Alexios Liakos, J. Rovira, S. Degenhardt, G. Estraviz, S. Combe, A. Douvris, R. Vieira-Martins, G. Dourneau, J. F. Le Campion, A. Dias-Oliveira, Marcelo Assafin, E. Tontodonati, F. Bragas-Ribas, N. I. Koshkin, Zheng-Hong Tang, Shaolin Li, H. Pavlov, Benoît Noyelles, Andrea Marchini, T. Pauwels, L. Shakun, G. Sbarufatti, F. Colas, Brad Timerson, R. Maulella, J. Vilar, S. Yu. Gorda, M. Ishida, M. Delcroix, K. Miyashita, M. Constantinescu, D. F. Guo, Gennaro Marino, V. Priban, C. K. Ellington, R. Venable, K. Tigani, Gianluca Masi, C. Perelló, D. Gault, E. Lo Savio, Shilong Liao, V. G. Tejfel, M. Ida, A. Collard, R. Zambelli, F. Casarramona, T. George, J. P. Rousselle, P. Farissier, Fabio Salvaggio, L. Barbieri, C. Arena, S. Bolzoni, A. Scheck, G. Dangl, D. Herald, John Talbot, B. Klemt, Jean-Eudes Arlot, William Thuillot, Q. Y. Peng, Ricard Casas, R. Ruisi, P. De Cat, N. V. Sinyaeva, V. Tsamis, A. V. Ivanov, P. Vingerhoets, C. Sciuto, H. Watanabe, H. X. Yin, A. Farmakopoulos, Yong Yu, Apostolos A. Christou, Julio Camargo, A. Sofia, S. Razemon, N. V. Emelyanov, A. Massalle

Publikováno v: Astronomy and Astrophysics
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2014, 572, pp.A120. ⟨10.1051/0004-6361/201423854⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2014, 572, pp.A120. 〈10.1051/0004-6361/201423854〉
Astronomy and Astrophysics-A&A, EDP Sciences, 2014, 572, pp.A120. ⟨10.1051/0004-6361/201423854⟩

Context. In 2009, the Sun and the Earth passed through the equatorial plane of Jupiter and therefore the orbital planes of its main satellites. It was the equinox on Jupiter. This occurrence made mutual occultations and eclipses between the satellite

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8501a42d8f0db832883ca0c11b38f3e5
http://hdl.handle.net/20.500.12278/96031

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An analysis of satellite calibration methods for CCD astrometry of Saturn's satellites

Autor: R. C. Qiao, K. X. Shen, G. Dourneau, J. R. Liu

Publikováno v: Astronomy & Astrophysics. 367:1061-1069

This paper presents an analysis of astrometric reduction methods for the calibration of a CCD target. To compare these methods, we collected about 3000 recent CCD observations between 1990-1997. We discuss the comparison of the four main contemporary

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c988393a29d57ba72f0ea65809b1cd6
https://doi.org/10.1051/0004-6361:20000548

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CCD astrometric observations of the five major Uranian satellites made in 1998-2007 and comparison with theory

Autor: X. Cheng, H. Y. Zhang, X. J. Xi, Zehao Tang, K. X. Shen, R. C. Qiao, G. Dourneau

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2013, 428 (3), pp.2755-2764. ⟨10.1093/mnras/sts240⟩

International audience; An observational campaign of the five Uranian major satellites was carried out during the period 1998-2007. A total of 2358 satellite observations in 1025 CCD frames were taken at two observational stations near Beijing and Sh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fe6f8044c4c9bc4bdc4baf01d78ea74
https://hal.archives-ouvertes.fr/hal-00763960

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Astrometric results of observations of mutual occultations and eclipses of the Saturnian satellites in 2009

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2012, 544, pp.29. ⟨10.1051/0004-6361/201118509⟩
Astronomy and Astrophysics-A&A, 2012, 544, pp.29. ⟨10.1051/0004-6361/201118509⟩

Context. The photometry of mutual occultations and eclipses of natural planetary satellites can be used to infer very accurate astrometric data. This can be achieved by processing the light curves of the satellites observed during international campa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a283a9846bc49e682b3e3685fa13ccd
http://hdl.handle.net/20.500.12278/96667

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Mutual Events of Saturn's Satellites in 1995-1996

Autor: G. Dourneau, Kaare Aksnes

Publikováno v: Icarus. 112:545-548

Around the times of the passages of Earth and the Sun through Saturn's ringplane, 198 mutual occultations and eclipses are predicted to occur between Saturn's major satellites between January 1995 and December 1996. To aid photometric observations, p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02c5a67c9700c14fa06cd8b7606c770b
https://doi.org/10.1006/icar.1994.1207

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