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Microlensing is a proven extrasolar planet search method that has already yielded the detection of four exoplanets. These detections have changed our understanding of planet formation ``beyond the snowline'' by demonstrating that…

天体物理学 · 物理学 2007-05-23 Andrew Gould , B. Scott Gaudi , David P. Bennett

To date, the ability for observers to reveal the composition or thermal structure of an exoplanet's atmosphere has rested on two techniques: high-contrast direct imaging and time-series observations of transiting exoplanets. The former is…

地球与行星天体物理 · 物理学 2020-07-30 Kevin B. Stevenson

Future space telescopes may be able to directly image $\sim$10 - 100 planets with sizes and orbits consistent with habitable surface conditions ("exo-Earth candidates" or EECs), but observers will face difficulty in distinguishing these…

地球与行星天体物理 · 物理学 2020-02-27 Alex Bixel , Dániel Apai

The physical characterization of exoplanets will require to take spectra at several orbital positions. For that purpose, a direct imaging capability is necessary. Direct imaging requires an efficient stellar suppression mechanism,…

Transiting planets manifest themselves by a periodic dimming of their host star by a fixed amount. On the other hand, light curves of transiting circumbinary (CB) planets are expected to be neither periodic nor to have a single depth while…

天体物理学 · 物理学 2013-08-13 A. Ofir

The photometric light curves of BRITE satellites were examined through a machine learning technique to investigate whether there are possible exoplanets moving around nearby bright stars. Focusing on different transit periods, several…

地球与行星天体物理 · 物理学 2020-12-21 Li-Chin Yeh , Ing-Guey Jiang

Astrophysical false positives that mimic planetary transit are one of the main limitation to exoplanet transit surveys. In this proceeding, we review the issue of the false positive in transit survey and the possible complementary…

地球与行星天体物理 · 物理学 2013-10-09 A. Santerne , R. F. Díaz , J. -M. Almenara , A. Lethuillier , M. Deleuil , C. Moutou

Since the discovery of short-period exoplanets a decade ago, photometric surveys have been recognized as a feasible method to detect transiting hot Jupiters. Many transit surveys are now under way, with instruments ranging from 10-cm…

天体物理学 · 物理学 2009-11-11 Frederic Pont , Shay Zucker , Didier Queloz

The Kilodegree Extremely Little Telescope (KELT) survey is a ground-based program designed to search for transiting exoplanets orbiting relatively bright stars. To achieve this, the KELT Science Team operates two planets facilities -…

地球与行星天体物理 · 物理学 2016-05-10 Jack Soutter , Jonti Horner , Joshua Pepper

Exoplanet transit events are attractive targets for the ultrahigh-resolution capabilities afforded by optical interferometers. The intersection of two developments in astronomy enable direct imaging of exoplanet transits: first,…

太阳与恒星天体物理 · 物理学 2014-05-09 Gerard T. van Belle , Kaspar von Braun , Tabetha Boyajian , Gail Schaefer

The transit method allows the detection and characterization of planetary systems by analyzing stellar light curves. Convolutional neural networks appear to offer a viable solution for automating these analyses. In this research, two 1D…

Rotational mapping and glint are two proposed methods to directly detect liquid water on the surface of habitable exoplanets. However, false positives for both methods may prevent the unambiguous detection of exoplanet oceans. We use…

We recommend that the search for exoplanets around binary stars be extended to include X-ray binaries in which the accretor is a white dwarf, neutron star, or black hole. We present a novel idea for detecting planets bound to such mass…

地球与行星天体物理 · 物理学 2018-06-06 Nia Imara , Rosanne Di Stefano

With over 1800 planets discovered outside of the Solar System in the past two decades, the field of exoplanetology has broadened our perspective on planetary systems. Research priorities are now moving from planet detection to planet…

地球与行星天体物理 · 物理学 2015-09-07 Julien de Wit

The combination of high-contrast imaging and medium to high spectral resolution spectroscopy offers new possibilities for the detection and characterization of exoplanets. The molecular mapping technique uses the difference between the…

天体物理仪器与方法 · 物理学 2023-11-23 Alexis Bidot , David Mouillet , Alexis Carlotti

Searching for exoplanets with different methods has always been the focus of astronomers over the past few years. Among multiple planet detection techniques, astrometry stands out for its capability to accurately determine the orbital…

地球与行星天体物理 · 物理学 2023-09-22 Dong-Hong Wu

Transmission spectroscopy of Earth-like exoplanets is a potential tool for habitability screening. Transiting planets are present-day "Rosetta Stones" for understanding extrasolar planets because they offer the possibility to characterize…

天体物理仪器与方法 · 物理学 2011-02-11 L. Kaltenegger , W. A. Traub

The idea of finding extrasolar planets (ESPs) through observations of drops in stellar brightness due to transiting objects has been around for decades. It has only been in the last ten years, however, that any serious attempts to find ESPs…

天体物理学 · 物理学 2009-11-07 B. Tingley

We consider the effects of mutual transits by extrasolar planet-companion systems (in a true binary or a planet-satellite system) on light curves. We show that induced changes in light curves depend strongly on a ratio between a…

地球与行星天体物理 · 物理学 2015-05-13 Masanao Sato , Hideki Asada

In the effort to characterize the masses, radii, and atmospheres of potentially habitable exoplanets, there is an urgent need to find examples of such planets transiting nearby M dwarfs. The MEarth Project is an ongoing effort to do so, as…

地球与行星天体物理 · 物理学 2015-06-05 Zachory K. Berta , Jonathan Irwin , David Charbonneau , Christopher J. Burke , Emilio E. Falco
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