2019
Transit timing variations, radial velocities, and long-term dynamical stability of the system Kepler-410
GAJDOŠ, Pavol, Martin VAŇKO, Theodor PRIBULLA, Daniel DUPKALA, Ján ŠUBJAK et. al.Základní údaje
Originální název
Transit timing variations, radial velocities, and long-term dynamical stability of the system Kepler-410
Autoři
GAJDOŠ, Pavol (garant), Martin VAŇKO, Theodor PRIBULLA, Daniel DUPKALA, Ján ŠUBJAK, Marek SKARKA (203 Česká republika, domácí), Petr KABÁTH (203 Česká republika), Lubomír HAMBÁLEK a Štefan PARIMUCHA
Vydání
Monthly Notices of the Royal Astronomical Society, Oxford, OXFORD UNIV PRESS, 2019, 0035-8711
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10308 Astronomy
Stát vydavatele
Česká republika
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 5.357
Kód RIV
RIV/00216224:14310/19:00109367
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000462410300109
Klíčová slova anglicky
planetary systems; planets and satellites: dynamical evolution andstability; techniques: radial velocities; methods: numerical; stars: individual: Kepler-410
Štítky
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 23. 1. 2020 15:29, Mgr. Marie Šípková, DiS.
Anotace
V originále
Transit timing variations of Kepler-410Ab were already reported in a few papers.Their semi-amplitude is about 14.5 minutes. In our previous paper, we found thatthe transit timing variations could be caused by the presence of a stellar companionin this system. Our main motivation for this paper was to investigate variation in aradial-velocity curve generated by this additional star in the system. We performedspectroscopic observation of Kepler-410 using three telescopes in Slovakia and CzechRepublic. Using the cross-correlation function, we measured the radial velocities of thestar Kepler-410A. We did not observe any periodic variation in a radial-velocity curve.Therefore, we rejected our previous hypothesis about additional stellar companionin the Kepler-410 system. We ran different numerical simulations to study mean-motion resonances with Kepler-410Ab. Observed transit timing variations could bealso explained by the presence of a small planet near to mean-motion resonance 2:3with Kepler-410Ab. This resonance is stable on a long-time scale. We also looked forstable regions in the Kepler-410 system where another planet could exist for a longtime.
Návaznosti
EF16_027/0008360, projekt VaV |
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