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pro vyhledávání: '"Régis Lachaume"'
Autor:
Olga V. Zakhozhay, Ralf Launhardt, Andre Müller, Stefan S. Brems, Paul Eigenthaler, Mario Gennaro, Angela Hempel, Maren Hempel, Thomas Henning, Grant M. Kennedy, Sam Kim, Martin Kürster, Régis Lachaume, Yashodhan Manerikar, Jayshil A. Patel, Alexey Pavlov, Sabine Reffert, Trifon Trifonov
Context. The occurrence rate and period distribution of (giant) planets around young stars is still not as well constrained as for older main-sequence stars. This is mostly due to the intrinsic activity-related complications and the avoidance of youn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::477c5ca140d60003d1107a2dcc38cd91
http://wrap.warwick.ac.uk/168911/7/WRAP-RVSPY-Radial-Velocity-Survey-for-Planets-around-Young-Stars-Target-characterization-high-cadence-survey-2022.pdf
http://wrap.warwick.ac.uk/168911/7/WRAP-RVSPY-Radial-Velocity-Survey-for-Planets-around-Young-Stars-Target-characterization-high-cadence-survey-2022.pdf
Publikováno v:
Research Notes of the AAS. 6:257
We calculate the angle ψ between the Sun path at sunset and the horizon to be ψ = arctan 1 − sin 2 δ cos 2 ϕ tan ( 90 ° − ϕ ) , where δ is the decl. of the Sun, and ϕ is the latitude of the place. We dub this angle the ghorub angle, after
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::126a92a17a489b0ed5cb8c84d82da541
https://doi.org/10.3847/2515-5172/aca6ea
https://doi.org/10.3847/2515-5172/aca6ea
Autor:
Jerome Bouvier, Suzanne Aigrain, Estelle Moraux, Jonathan Irwin, Régis Lachaume, Hervé Bouy, Julia Roquette
Publikováno v:
Proceedings of the International Astronomical Union. International Astronomical Union
Together with the stellar rotation, the spotted surfaces of low-mass magnetically active stars produce modulations in their brightness. These modulations can be resolved by photometric variability surveys, allowing direct measurements of stellar spin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8e551f47d44593635076cd498be643a
https://doi.org/10.1017/s1743921319009797
https://doi.org/10.1017/s1743921319009797
Conference
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Autor:
Lachaume, Régis
Publikováno v:
Astrophysique [astro-ph]. Université Joseph-Fourier-Grenoble I, 2003. Français
It is nowadays widely accepted that low mass star formation initiated from a molecular cloud undergoes a phase where the central object is surrounded by a disc, in which planets may form later. The study of such a disc aims at the understanding of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0c2de1cce81efe6ca9396d55714b85bb
https://tel.archives-ouvertes.fr/tel-00006474
https://tel.archives-ouvertes.fr/tel-00006474