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Related papers: Transit timing variation in exoplanet WASP-3b

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We present the discovery of a candidate multiply-transiting system, the first one found in the CoRoT mission. Two transit-like features with periods of 5.11 and 11.76d are detected in the CoRoT light curve, around a main sequence K1V star…

We present nine newly observed transits of TrES-3, taken as part of a transit timing program using the RISE instrument on the Liverpool Telescope. A Markov-Chain Monte-Carlo analysis was used to determine the planet-star radius ratio and…

Earth and Planetary Astrophysics · Physics 2009-07-22 N. P. Gibson , D. Pollacco , I. Skillen , E. K. Simpson , S. Barros , Y. C. Joshi , I. Todd , C. Benn , D. Christian , M. Hrudková , F. P. Keenan , I. A. Steele

NASA Citizen Scientists have used Exoplanet Transit Interpretation Code (EXOTIC) to reduce 40 sets of time-series images of WASP-12 taken by privately owned telescopes and a 6-inch telescope operated by the Center for Astrophysics | Harvard…

We present twenty-three transit light curves and seven occultation light curves for the ultra-short period planet WASP-43 b, in addition to eight new measurements of the radial velocity of the star. Thanks to this extensive data set, we…

We report on spectroscopic and photometric observations through transits of the exoplanets WASP-22b and WASP-26b, intended to determine the systems' spin-orbit angles. We combine these data with existing data to refine the system…

Earth and Planetary Astrophysics · Physics 2015-05-28 D. R. Anderson , A. Collier Cameron , M. Gillon , C. Hellier , E. Jehin , M. Lendl , D. Queloz , B. Smalley , A. H. M. J. Triaud , M. Vanhuysse

Context. Increasing our knowledge of the interior structure, composition and density distribution of exoplanets is crucial to make progress in the understanding of exoplanetary formation, migration and habitability. However, the directly…

Earth and Planetary Astrophysics · Physics 2019-03-08 Sz. Csizmadia , H. Hellard , A. M. S. Smith

The ExoEcho project is designed to study the photodynamics of exoplanets by leveraging high-precision transit timing data from ground- and space-based telescopes. Some exoplanets are experiencing orbital decay, and transit timing variation…

Earth and Planetary Astrophysics · Physics 2025-01-13 Xinyue Ma , Wenqin Wang , Zixin Zhang , Cong Yu , Dichang Chen , Jiwei Xie , Shangfei Liu , Li Zhou , Bo Ma

We investigate the effect of planetary rotation on the transit spectrum of an extrasolar giant planet. During ingress and egress, absorption features arising from the planet's atmosphere are Doppler shifted by of order the planet's…

Astrophysics · Physics 2009-11-13 David S. Spiegel , Zoltan Haiman , B. Scott Gaudi

Aims: We present 11 high-precision photometric transit observations of the transiting super-Earth planet GJ1214b. Combining these data with observations from other authors, we investigate the ephemeris for possible signs of transit timing…

Nowadays, transit timing variations (TTVs) are proving to be a very valuable tool in exoplanetary science to detect exoplanets by observing variations in transit times. To study the transit timing variation of the hot Jupiter, TrES-2b, we…

Earth and Planetary Astrophysics · Physics 2024-09-19 Shraddha Biswas , D. Bisht , Ing-Guey Jiang , Devesh P. Sariya , Kaviya Parthasarathy

We perform a detailed study of six transiting planetary systems with relatively bright stars close enough to affect observations of these systems. Light curves are analysed taking into account the contaminating light and its uncertainty. We…

Earth and Planetary Astrophysics · Physics 2020-03-11 J. Southworth , A. J. Bohn , M. A. Kenworthy , C. Ginski , L. Mancini

We report the discovery of a 7.3 Mjup exoplanet WASP-14b, one of the most massive transiting exoplanets observed to date. The planet orbits the tenth-magnitude F5V star USNO-B1 11118-0262485 with a period of 2.243752 days and orbital…

We report on observations of 11 transit events of the transiting extrasolar planet XO-1b by the SuperWASP-North observatory. From our data, obtained during May-September 2004, we find that the XO-1b orbital period is 3.941634 +/- 0.000137…

We report the discovery of WASP-38b, a long period transiting planet in an eccentric 6.871815 day orbit. The transit epoch is 2455335.92050 +/- 0.00074 (HJD) and the transit duration is 4.663 hours. WASP-38b's discovery was enabled due to…

Five newly observed transit light curves of the TrES-3 planetary system are presented. Together with other light curve data from literature, 23 transit light curves in total, which cover an overall timescale of 911 epochs, have been…

Earth and Planetary Astrophysics · Physics 2013-08-13 Ing-Guey Jiang , Li-Chin Yeh , Parijat Thakur , Yu-Ting Wu , Ping Chien , Yi-Ling Lin , Hong-Yu Chen , Juei-Hwa Hu , Zhao Sun , Jianghui Ji

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,…

The search for extrasolar planets is strongly motivated by the goal of characterizing how frequent habitable worlds and life may be within the Galaxy. Whilst much effort has been spent on searching for Earth-like planets, large moons may…

Earth and Planetary Astrophysics · Physics 2015-03-19 David M. Kipping

Modern theoretical estimates show that with the help of real equipment we are able to detect large satellites of exoplanets (about the size of the Ganymede), although, numerical attempts of direct exomoon detection were unsuccessful. Lots…

Instrumentation and Methods for Astrophysics · Physics 2017-04-04 K. E. Naydenkin , D. S. Kaparulin

While various indirect methods are used to detect exoplanets, one of the most effective and accurate methods is the transit method, which measures the brightness of a given star for periodic dips when an exoplanet is passing in front of the…

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