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Discovery of a bright microlensing event with planetary features towards the Taurus region: a super Earth planetстатья
- Авторы: Nucita A.A., Licchelli D., De Paolis F., Ingrosso G., Strafella F., Katysheva N., Shugarov S.
- Сборник: arXiv:1802.06659v1
- Серия: Astrophysics > Earth and Planetary Astrophysics
- Год издания: 2018
- Аннотация: The transient event labeled as TCP J05074264+2447555 recently discovered towards the Taurus region was quickly recognized to be an ongoing microlensing event on a source located at distance of only 700−800 pc from Earth. Here, we show that observations with high sampling rate close to the time of maximum magnification revealed features that imply the presence of a binary lens system with very low mass ratio components. We present a complete description of the binary lens system which hosts an Earth-like planet with most likely mass of 9.2±6.6 M⊕. Furthermore, the source estimated location and detailed Monte Carlo simulations allowed us to classify the event as due to the closest lens system, being at a distance of ≃380 pc and mass ≃0.25 M⊙.
- Добавил в систему: Катышева Наталья Андреевна