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Exoplanetary science is among the fastest evolving fields of today's astronomical research. Ground-based planet-hunting surveys alongside dedicated space missions (Kepler, CoRoT) are delivering an ever-increasing number of exoplanets, now…

Instrumentation and Methods for Astrophysics · Physics 2011-11-28 M. Tessenyi , M. Ollivier , G. Tinetti , J. P. Beaulieu , V. Coudé du Foresto , T. Encrenaz , G. Micela , B. Swinyard , I. Ribas , A. Aylward , J. Tennyson , M. R. Swain , A. Sozzetti , G. Vasisht , P. Deroo

In the late 1990s, the Optical Gravitational Lensing Experiment (OGLE) team conducted the second phase of their long-term monitoring programme, OGLE-II, which since has been superseded by OGLE-III. All the monitoring data of this second…

Astrophysics · Physics 2009-11-13 I. Snellen , R. van der Burg , M. de Hoon , F. Vuijsje

We present here a new robotic telescope called TRAPPIST (TRAnsiting Planets and PlanetesImals Small Telescope). Equipped with a high-quality CCD camera mounted on a 0.6 meter light weight optical tube, TRAPPIST has been installed in April…

Earth and Planetary Astrophysics · Physics 2015-05-27 M. Gillon , E. Jehin , P. Magain , V. Chantry , D. Hutsemekers , J. Manfroid , D. Queloz , S. Udry

Thueringer Landessternwarte Tautenburg (TLS) has started to operate a small dedicated telescope - the Tautenburg Exoplanet Search Telescope (TEST) - searching for transits of extrasolar planets in photometric time series observations. In a…

Because the planets of a system form in a flattened disk, they are expected to share similar orbital inclinations at the end of their formation. The high-precision photometric monitoring of stars known to host a transiting planet could thus…

Earth and Planetary Astrophysics · Physics 2015-05-18 M. Gillon , X. Bonfils , B. -O. Demory , S. Seager , D. Deming , A. H. M. J. Triaud

The internal antarctic plateau revealed in the last years to be a site with interesting potentialities for the astronomical applications due to the extreme dryness and low temperatures, the typical high altitude of the plateau, the weak…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 E. Masciadri , F. Lascaux , S. Hagelin , P. Le Moigne , J. Noilhan

To support the selection of large optical/infrared telescope sites in western China, long-term monitoring of atmospheric conditions and astronomical seeing has been conducted at the Muztagh-Ata site on the Pamir Plateau since 2017. With the…

Instrumentation and Methods for Astrophysics · Physics 2025-09-09 Wenbo Gu , Ali Esamdin , Cunhai Bai , Jicheng Zhang , Xuan Zhang , Guojie Feng , Letian Wang , Guangxin Pu , Xinliang Wang , Daiping Zhang

We report the first extrasolar planet observations from the 10.4-m Gran Telescopio Canarias (GTC), currently the world's largest, fully steerable, single-aperture optical telescope. We used the OSIRIS tunable filter imager on the GTC to…

Earth and Planetary Astrophysics · Physics 2015-05-19 Knicole D. Colon , Eric B. Ford , Brian Lee , Suvrath Mahadevan , Cullen H. Blake

By the precise timing of the low amplitude (0.005 - 0.02 magnitude) transits of exoplanets around their parent star it should be possible to infer the presence of other planetary bodies in the system down to Earth-like masses. We describe…

Astrophysics · Physics 2008-09-22 I. A. Steele , S. D. Bates , N. Gibson , F. Keenan , J. Meaburn , C. J. Mottram , D. Pollacco , I. Todd

Uninterrupted observations from space-borne telescopes provide the photometric precision that is required to detect shallow transits of small planets missed by ground-based surveys. We used data from the Transiting Exoplanet Survey…

Earth and Planetary Astrophysics · Physics 2022-06-29 G. Maciejewski

New telescopes are being built to measure the Cosmic Microwave Background (CMB) with unprecedented sensitivity, including Simons Observatory (SO), CCAT-prime, the BICEP Array, SPT-3G, and CMB Stage-4. We present observing strategies for…

The Multi-site All-sky CAmeRA MASCARA is an instrument concept consisting of several stations across the globe, with each station containing a battery of low-cost cameras to monitor the near-entire sky at each location. Once all stations…

Radial velocity searches for extrasolar planets have recently detected several very low mass (7-20M_Earth) planets in close orbits with periods <10 days. We consider the prospects for detecting the analogs of these planets in Galactic open…

Astrophysics · Physics 2007-05-23 Joshua Pepper , B. Scott Gaudi

The Canadian MOST satellite is a unique platform for observations of bright transiting exoplanetary systems. Providing nearly continuous photometric observations for up to 8 weeks, MOST can produce important observational data to help us…

The small sizes of low mass stars in principle provide an opportunity to find Earth-like planets and "super-Earths" in habitable zones via transits. Large area synoptic surveys like Pan-STARRS and LSST will observe large numbers of low mass…

Solar and Stellar Astrophysics · Physics 2010-12-13 H. C. Ford , W. Bhatti , L. Hebb , L. Petro , M. Richmond , J. Rogers

Photometric follow-ups of transiting exoplanets (TEPs) may lead to discoveries of additional, less massive bodies in extrasolar systems. This is possible by detecting and then analysing variations in transit timing of transiting exoplanets.…

Earth and Planetary Astrophysics · Physics 2015-05-20 G. Maciejewski , R. Neuhaeuser , St. Raetz , R. Errmann , U. Kramm , T. O. B. Schmidt

This paper investigates the effects of observing windows on detecting transiting planets by calculating the fraction of planets with a given period that have zero, one (single), two (double), or $\ge$3 (multiple) transits occurring while…

Astrophysics · Physics 2009-11-13 S. W. Fleming , S. R. Kane , P. R. McCullough , F. R. Chromey

Photometry with the transit method has arguably been the most successful exoplanet discovery method to date. A short overview about the rise of that method to its present status is given. The method's strength is the rich set of parameters…

Earth and Planetary Astrophysics · Physics 2024-03-13 Hans J. Deeg , Roi Alonso

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

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…

Earth and Planetary Astrophysics · Physics 2015-06-05 Zachory K. Berta , Jonathan Irwin , David Charbonneau , Christopher J. Burke , Emilio E. Falco