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We present a fast, efficient and easy to apply computational method for the detection of planetary transits in large photometric datasets. The code has been specifically produced to analyse an ensemble of 21,950 stars in the globular…

Astrophysics · Physics 2009-11-10 David T. F Weldrake , Penny D Sackett

Searching for transit timing variations in the known transiting exoplanet systems can reveal the presence of other bodies in the system. Here we report such searches for two transiting exoplanet systems, TrES-1 and WASP-2. Their new…

The Large Synoptic Survey Telescope (LSST) will photometrically monitor approximately 1 billion stars for ten years. The resulting light curves can be used to detect transiting exoplanets. In particular, as demonstrated by Lund et al.…

Earth and Planetary Astrophysics · Physics 2015-07-24 Savannah R. Jacklin , Michael B. Lund , Joshua Pepper , Keivan G. Stassun

The detection of thousands of extrasolar planets by the transit method naturally raises the question of whether potential extrasolar observers could detect the transits of the Solar System planets. We present a comprehensive analysis of the…

Earth and Planetary Astrophysics · Physics 2017-09-08 R. Wells , K. Poppenhaeger , C. A. Watson , R. Heller

Short-period super-Earths and Neptunes are now known to be very frequent around solar-type stars. Improving our understanding of these mysterious planets requires the detection of a significant sample of objects suitable for detailed…

Earth and Planetary Astrophysics · Physics 2017-05-17 M. Gillon , B. -O. Demory , C. Lovis , D. Deming , D. Ehrenreich , G. Lo Curto , M. Mayor , F. Pepe , D. Queloz , S. Seager , D. Segransan , S. Udry

In this work we investigate the problem concerning the presence of additional bodies gravitationally bounded with the WASP-3 system. We present eight new transits of this planet and analyse all the photometric and radial velocity data…

Earth and Planetary Astrophysics · Physics 2015-06-12 M. Montalto , J. Gregorio , G. Boue' , A. Mortier , I. Boisse , M. Oshagh , M. Maturi , P. Figueira , S. Sousa , N. C. Santos

The proposed Transiting Exoplanet Survey Satellite (TESS) will survey the entire sky to locate the nearest and brightest transiting extrasolar planets with orbital periods up to about 36 days. Here we estimate the number and kind of…

Astrophysics · Physics 2008-12-09 Timothy M. Brown , David W. Latham

Using Monte Carlo simulations we analyze the potential of the upcoming transit survey Pan-Planets. The analysis covers the simulation of realistic light curves (including the effects of ingress/egress and limb-darkening) with both…

Astrophysics · Physics 2009-11-13 J. Koppenhoefer , C. Afonso , R. P. Saglia , Th. Henning

We have performed photometric observations of nearly 7 million stars with 8 < V < 15 with the SuperWASP-North instrument from La Palma between 2004 May-September. Fields in the RA range 17-18hr, yielding over 185,000 stars with sufficient…

Context. Hot subdwarfs, which are hot and small He-burning objects, are ideal targets for exploring the evolution of planetary systems after the red giant branch (RGB). Thus far, no planets have been confirmed around them, and no systematic…

Most planetary discoveries with the K2 and TESS missions are restricted to short periods because of the limited duration of observation. However, the re-observation of sky area allows for the detection of longer period planets. We describe…

Earth and Planetary Astrophysics · Physics 2020-02-19 S. Dholakia , S. Dholakia , Andrew W. Mayo , Courtney D. Dressing

A lightcurve of the eclipsing binary CM Draconis has been analyzed for the presence of transits of planets of size >= 2.5 Earth-radii (Re), with periods of 60 days or less, and in co-planar orbits around the binary system. About 400 million…

The Wide Field Camera Transit Survey is a pioneer program aimed to search for extra-solar planets in the near-infrared. The standard data reduction pipeline of the program uses aperture photometry to construct the light curves. We…

We present an improved estimate of the occurrence rate of small planets orbiting small stars by searching the full four-year Kepler data set for transiting planets using our own planet detection pipeline and conducting transit injection and…

Earth and Planetary Astrophysics · Physics 2015-05-27 Courtney D. Dressing , David Charbonneau

I report the results of a new search for transiting planets on a set of 1.4 million lightcurves extracted from TESS Full Frame Images (FFIs) using the DIAmante pipeline. The data come from the first two years of observations of TESS…

Earth and Planetary Astrophysics · Physics 2022-10-27 M. Montalto

The WASP-10 planetary system is intriguing because different values of radius have been reported for its transiting exoplanet. The host star exhibits activity in terms of photometric variability, which is caused by the rotational modulation…

Earth and Planetary Astrophysics · Physics 2015-05-30 G. Maciejewski , St. Raetz , N. Nettelmann , M. Seeliger , Ch. Adam , G. Nowak , R. Neuhaeuser

Ground-based searches for transiting Jupiter-sized planets have so far produced few detections of planets, but many of stellar systems with eclipse depths, durations, and orbital periods that resemble those expected from planets. I show…

Astrophysics · Physics 2009-11-10 Timothy M. Brown

We present new transit light curves for planets in six extrasolar planetary systems. They were acquired with 0.4-2.2 m telescopes located in west Asia, Europe, and South America. When combined with literature data, they allowed us to…

The results of a search for eclipsing Am star binaries using photometry from the SuperWASP survey are presented. The light curves of 1742 Am stars fainter than V = 8.0 were analysed for the presences of eclipses. A total of 70 stars were…