Publication: Pixel lensing as a way to detect extrasolar planets in M31
Pixel lensing as a way to detect extrasolar planets in M31
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Ingrosso, G., Calchi Novati, S., De Paolis, F., Jetzer, P., Nucita, A. A., & Zakharov, A. F. (2009). Pixel lensing as a way to detect extrasolar planets in M31. Monthly Notices of the Royal Astronomical Society, 399, 219–228. https://doi.org/10.1111/j.1365-2966.2009.15184.x
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We study the possibility to detect extrasolar planets in M31 through pixel-lensing observations. Using a Monte Carlo approach, we select the physical parameters of the binary lens system, a star hosting a planet, and we calculate the pixel-lensing light curve taking into account the finite source effects. Indeed, their inclusion is crucial since the sources in M31 microlensing events are mainly giant stars. Light curves with detectable planetary features are selected by looking for significant deviations from the corresponding Paczyńs
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- Ingrosso, G
- Calchi Novati, S
- De Paolis, F
- Jetzer, P
- Nucita, A A
- Zakharov, A F
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Ingrosso, G., Calchi Novati, S., De Paolis, F., Jetzer, P., Nucita, A. A., & Zakharov, A. F. (2009). Pixel lensing as a way to detect extrasolar planets in M31. Monthly Notices of the Royal Astronomical Society, 399, 219–228. https://doi.org/10.1111/j.1365-2966.2009.15184.x
