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A neck-line structure in the dust tail of Comet C/2004 F4 (Bradfield)

Autor: L. Pansecchi, M. Scardia

Publikováno v: Astronomy & Astrophysics. 430:1129-1132

Three CCD images of Comet C/2004 F4 (Bradfield), taken on three different dates close to the time of the Earth crossing through the plane of the comet orbit (2004 May 2.9280 UT), show a ray-shaped structure (RSS) in the dust tail, accompanied by a sh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16c05e4a69d55a1d7ce89508abbc4bab
https://doi.org/10.1051/0004-6361:20041766

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A search for pulsations in the HgMn star HD 45975 with CoRoT photometry and ground-based spectroscopy

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2014, 561, pp.A35. ⟨10.1051/0004-6361/201322289⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2014, 561, pp.A35. ⟨10.1051/0004-6361/201322289⟩
Astronomy & Astrophysics

The existence of pulsations in HgMn stars is still being debated. To provide the first unambiguous observational detection of pulsations in this class of chemically peculiar objects, the bright star HD 45975 was monitored for nearly two months by the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8676bd788c168f6b54af90587b25cea0
https://hal.science/hal-02575785

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Low-amplitude rotational modulation rather than pulsations in the CoRoT B-type supergiant HD 46769

Autor: Steven Bloemen, Pieter Degroote, C. Catala, R. Samadi, I. Papics, V. S. Schmid, R. Oestensen, Conny Aerts, Norberto Castro, E. Poretti, M. Auvergne, Sergio Simón-Díaz, M. Rainer, Coralie Neiner, Maryline Briquet, A. Baglin, F. Baudin, M. Scardia, E. Michel

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2013, 557, pp.A114. ⟨10.1051/0004-6361/201322097⟩
Astronomy & Astrophysics, 557, pp. A114(10-A114(9)
Astronomy and Astrophysics-A&A, 2013, 557, pp.A114. ⟨10.1051/0004-6361/201322097⟩
Astronomy & Astrophysics, 557, A114(10-A114(9)
Astronomy & Astrophysics

{We aim to detect and interpret photometric and spectroscopic variability of the bright CoRoT B-type supergiant target HD\,46769 ($V=5.79$). We also attempt to detect a magnetic field in the target.} {We analyse a 23-day oversampled CoRoT light curve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e02d51a1a60e355cf3e7b5142db47987
https://hal.archives-ouvertes.fr/hal-02527693

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The GAPS programme with HARPS-N at TNG: II. No giant planets around the metal-poor star HIP 11952

In the context of the program Global Architecture of Planetary Systems (GAPS), we have performed radial velocity monitoring of the metal-poor star HIP 11952 on 35 nights over about 150 days using the newly installed high resolution spectrograph HARPS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d42c774b45bdc2f140ba63e2dbd0022
http://hdl.handle.net/2108/204693

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Orbital elements of Minor Planets

Autor: H. Debehogne, D. Ghiringhelli, M. Scardia

Publikováno v: Astronomische Nachrichten: A Journal on all Fields of Astronomy. 317:43-48

Orbital elements of the numbered minor planets 4209 - Briggs, 5177 - Hugowolf and preliminary orbital elements of the unnumbered minor planets 1988 RL4, 1989 CE8 and 1989 DJ are given.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::425474d5642d2ac86caa3e53ee796848
https://doi.org/10.1002/asna.2113170113

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Photographic positions of Minor Planets

Autor: H. Debehogne, M. Scardia, D. Ghiringhelli

Publikováno v: Astronomische Nachrichten. 316:415-418

Photographic precise positions of 13 minor planets obtained with the G.P.O. astrograph at E.S.O. (La Silla, Chile) in September 1987 are given.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::288d6f2a669a57802bdb0bdfc7e95403
https://doi.org/10.1002/asna.2103160609

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