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The light-curve intrinsic variability in 47 Kepler contact binary stars

Autor: B Debski

Publikováno v: Monthly Notices of the Royal Astronomical Society. 516:5003-5020

This work studies the significance of the lightcurve intrinsic variability in the numerical modeling of contact binaries. Using synthetic light curves we are showing that the starspot-based intrinsic variability increases the apparent mass ratio by $

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb0e94f557a3a5856b1347a836ab50bc
https://doi.org/10.1093/mnras/stac2190

Linking chromospheric activity and magnetic field properties for late-type dwarf stars

Autor: E L Brown, S V Jeffers, S C Marsden, J Morin, S Boro Saikia, P Petit, M M Jardine, V See, A A Vidotto, M W Mengel, M N Dahlkemper, null the BCool Collaboration

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 514(3), 4300-4319
Monthly Notices of the Royal Astronomical Society, 2022, 514 (3), pp.4300-4319. ⟨10.1093/mnras/stac1291⟩

Spectropolarimetric data allow for simultaneous monitoring of stellar chromospheric $\log{R^{\prime}_{\rm{HK}}}$ activity and the surface-averaged longitudinal magnetic field, $B_l$, giving the opportunity to probe the relationship between large-scal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70e9c437c42a9d26cc91dec381f75ec3
https://hdl.handle.net/10023/25360

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The impact of two non-transiting planets and stellar activity on mass determinations for the super-Earth CoRoT-7b

Autor: Andrew Cameron, Thomas Wilson, ANCY ANNA JOHN

CoRoT-7 is an active star, whose orbiting planets and their masses have been under debate since their initial detection. In the previous studies, CoRoT-7 was found to have two planets, CoRoT-7b and CoRoT-7c with orbital periods of 0.85 and 3.69 days,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c94809f87dd4fbab03ac9103df4ce02
https://hdl.handle.net/10023/25813