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With more than 80 transits observed in the CoRoT light curve with a cadence of 32 s, CoRoT-Exo-2b provides an excellent case to search for the secondary eclipse of the planet, with an expected signal of less than 10^-4 in relative flux. The…

Astrophysics · Physics 2009-11-13 R. Alonso , S. Aigrain , F. Pont , T. Mazeh , the CoRoT Exoplanet Science Team

As part of our ongoing effort to investigate transit timing variations (TTVs) of known exoplanets, we monitored transits of the four exoplanets HAT-P-18b, HAT-P-19b, HAT-P-27b/WASP-40b and WASP-21b. All of them are suspected to show TTVs…

We report the discovery of three new transiting hot Jupiters by WASP-South together with the TRAPPIST photometer and the Euler/CORALIE spectrograph. WASP-74b orbits a star of V = 9.7, making it one of the brighter systems accessible to…

We report first results from the CHinese Exoplanet Searching Program from Antarctica (CHESPA)---a wide-field high-resolution photometric survey for transiting exoplanets carried out using telescopes of the AST3 (Antarctic Survey Telescopes…

From the list of 2321 transiting planet candidates announced by the Kepler Mission, we select seven targets with favorable properties for the capacity to dynamically maintain an exomoon and present a detectable signal. These seven…

Earth and Planetary Astrophysics · Physics 2015-06-12 David M. Kipping , Joel Hartman , Lars A. Buchhave , Allan R. Schmitt , Gáspár Á. Bakos , David Nesvorny

We report the identification of 32 transiting-planet candidates in HATNet field G205. We describe the procedures that we have used to follow up these candidates with spectroscopic and photometric observations, and we present a status report…

Although OGLE-TR-56b was the second transiting exoplanet discovered, only one light curve, observed in 2006, has been published besides the discovery data. We present twenty-one light curves of nineteen different transits observed between…

Earth and Planetary Astrophysics · Physics 2015-05-30 E. R. Adams , M. Lopez-Morales , J. L. Elliot , S. Seager , D. J. Osip , M. J. Holman , J. N. Winn , S. Hoyer , P. Rojo

We present a study of the light curve of the transiting exoplanet CoRoT-2b, aimed at detecting the secondary eclipse and measuring its depth. The data were obtained with the CoRoT satellite during its first run of more than 140 days. After…

Earth and Planetary Astrophysics · Physics 2010-03-11 R. Alonso , T. Guillot , T. Mazeh , S. Aigrain , A. Alapini , P. Barge , A. Hatzes , F. Pont

Context. Due to their low transit probability, the long-period planets are, as a population, only partially probed by transit surveys. Radial velocity surveys thus have a key role to play, in particular for giant planets. Cold Jupiters…

We present transit photometry of three exoplanets, TrES-4b, HAT-P-3b, and WASP-12b, allowing for refined estimates of the systems' parameters. TrES-4b and WASP-12b were confirmed to be "bloated" planets, with radii of 1.706 +/- 0.056 R_Jup…

Earth and Planetary Astrophysics · Physics 2015-05-27 Tucker Chan , Mikael Ingemyr , Joshua N. Winn , Matthew J. Holman , Roberto Sanchis-Ojeda , Gil Esquerdo , Mark Everett

The discovery of the short-period giant exoplanet population, the so-called hot Jupiter population, and their link to brown dwarfs and low-mass stars challenges the conventional view of planet formation and evolution. We took advantage of…

Transit observations have become an important technique to probe exoplanets. Therefore, there are many projects carrying on organized observations of transit events, which make a huge amount of light-curve and transit timing data available.…

Earth and Planetary Astrophysics · Physics 2023-10-16 Li-Chin Yeh , Ing-Guey Jiang , Napaporn A-thano

We report the first results from a search for transiting warm Jupiter exoplanets - gas giant planets receiving stellar irradiation below about $10^8$ erg s$^{-1}$ cm$^{-2}$, equivalent to orbital periods beyond about 10 days around Sun-like…

Photometric surveys such as Kepler have the precision to identify exoplanet and eclipsing binary candidates from only a single transit. K2, with its 75d campaign duration, is ideally suited to detect significant numbers of single-eclipsing…

Never before has the detection and characterization of exoplanets via transit photometry been as promising and feasible as it is now, due to the increasing breadth and sensitivity of time domain optical surveys. Past works have made use of…

Earth and Planetary Astrophysics · Physics 2023-12-14 Anna Zuckerman , James Davenport , Steve Croft , Andrew Siemion , Imke de Pater

A search for extrasolar planetary transits using the extended Kepler mission (K2) campaigns 9 and 11 revealed five new candidates towards the Galactic bulge. The stars EPIC 224439122, 224560837, 227560005, 230778501 and 231635524 are found…

Earth and Planetary Astrophysics · Physics 2019-04-10 C. C. Cortes , D. Minniti , S. Villanova

We refined the ephemeris of seven transiting exoplanets HAT-P-6b, HAT-P-12b, HAT-P-18b, HAT-P-22b, HAT-P-32b, HAT-P-33b, and HAT-P-52b. We observed 11 transits from eight observatories in different filters for HAT-P-6b and HAT-P-32b. Also,…

We present the overall statistical results from the Robo-AO Kepler planetary candidate survey, comprising of 3857 high-angular resolution observations of planetary candidate systems with Robo-AO, an automated laser adaptive optics system.…

Our knowledge of the Solar System, encourages us to beleive that we might expect exomoons to be present around some of the known exoplanets. With present hardware and existing optical astronomy methods we shall not be able to find exomoons…

Earth and Planetary Astrophysics · Physics 2017-12-20 Dragan Lukic

Context: When the planet transits its host star, it is possible to measure the planetary radius and (with radial velocity data) the planet mass. For the study of planetary atmospheres, it is essential to obtain transit and occultation…

Earth and Planetary Astrophysics · Physics 2013-03-28 M. Lendl , M. Gillon , D. Queloz , R. Alonso , A. Fumel , E. Jehin , D. Naef
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