Transiting Planets Orbiting Source Stars in Microlensing Events

• Autorzy: Rybicki, K. , Wyrzykowski, Ł.
• Języki publikacji: EN

Abstrakty

EN

The phenomenon of microlensing has successfully been used to detect extrasolar planets. By observing characteristic, rare deviations in the gravitational microlensing light curve one can discover that a lens is a star-planet system. In this paper we consider an opposite case where the lens is a single star and the source has a transiting planetary companion. We have studied the light curve of a source star with transiting companion magnified during microlensing event. Our model shows that in dense stellar fields, in which blending is significant, the light drop generated by transits is greater near the maximum of microlensing, which makes it easier to detect. We derive the probability for the detection of a planetary transit in a microlensed source to be of 2×10^-6 for an individual microlensing event.

Słowa kluczowe

EN

planetary systems; gravitational lensing: micro

• Czasopismo: Acta Astronomica
• Rocznik: 2014
• Tom: Vol. 64, No. 1
• Strony: 65--75
• Opis fizyczny: Bibliogr. 18 poz., wykr.

Twórcy

autor

Rybicki, K.

• Warsaw University Observatory, Al. Ujazdowskie 4, 00-478 Warszawa, Poland,

autor

Wyrzykowski, Ł.

• Warsaw University Observatory, Al. Ujazdowskie 4, 00-478 Warszawa, Poland,
• Institute of Astronomy, University of Cambridge, Madingley Road, CB3 0HA Cambridge, UK

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