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Located within 10 degrees of the North Pole, northern Ellesmere Island offers continuous darkness in the winter months. This capability can greatly enhance the detection efficiency of planetary transit surveys and other time domain…

In the last two decades, thousands of extrasolar planets were discovered based on different observational techniques, and their number must increase substantially in virtue of the ongoing and near-future approved missions and facilities. It…

Earth and Planetary Astrophysics · Physics 2018-08-01 J. V. Cunha , F. E. Silva , J. A. S. Lima

Radial velocity surveys are beginning to reach the time baselines required to detect Jupiter analogs, as well as sub-Saturn mass planets in close orbits. Therefore it is important to understand the sensitivity of these surveys at long…

Astrophysics · Physics 2009-11-10 Andrew Cumming

Observations of extrasolar planets using Integral Field Spectroscopy (IFS), if coupled with an extreme Adaptive Optics system and analyzed with a Simultaneous Differential Imaging technique (SDI), are a powerful tool to detect and…

Astrophysics · Physics 2009-11-11 A. Berton , R. G. Gratton , M. Feldt , T. Henning , S. Desidera , M. Turatto , H. M. Schmid , R. Waters

Methods used to detect giant exoplanets can be broadly divided into two categories: indirect and direct. Indirect methods are more sensitive to planets with a small orbital period, whereas direct detection is more sensitive to planets…

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

The radial velocity method is one of the most successful techniques for detecting exoplanets. It works by detecting the velocity of a host star induced by the gravitational effect of an orbiting planet, specifically the velocity along our…

Instrumentation and Methods for Astrophysics · Physics 2020-08-26 David E. Jones , David C. Stenning , Eric B. Ford , Robert L. Wolpert , Thomas J. Loredo , Christian Gilbertson , Xavier Dumusque

Astrometric measurements of stellar systems are becoming significantly more precise and common, with many ground and space-based instruments and missions approaching 1 microarcsecond precision. We examine the multi-wavelength astrometric…

Solar and Stellar Astrophysics · Physics 2015-06-04 Jeffrey L. Coughlin , Mercedes Lopez-Morales

The high-resolution, dual channel, visible and near-infrared spectrograph CARMENES offers exciting opportunities for stellar and exoplanetary research on M dwarfs. In this work we address the challenge of reaching the highest radial…

With an emphasis in detecting Earth-like planets set forth by the 2010 Decadal Survey and in searching for planets around M dwarfs set forth by the 2008 Exoplanet Task Force, radial velocity surveys with infrared echelle spectrometers will…

Earth and Planetary Astrophysics · Physics 2010-12-23 A. Tanner , R. White , J. Bailey , T. Barman

Combining adaptive optics and interferometric observations results in a considerable contrast gain compared to single-telescope, extreme AO systems. Taking advantage of this, the ExoGRAVITY project is a survey of known young giant…

The ESPRESSO spectrograph at ESO's Very Large Telescope (VLT) has, since it began science operations in October 2018, revolutionised exoplanet science. The combination of the large VLT mirrors and the high resolution and stability of the…

Earth and Planetary Astrophysics · Physics 2022-08-10 Louise Dyregaard Nielsen , Julia Victoria Seidel

Population studies of Kepler's multi-planet systems have revealed a surprising degree of structure in their underlying architectures. Information from a detected transiting planet can be combined with a population model to make predictions…

Earth and Planetary Astrophysics · Physics 2021-11-03 Matthias Y. He , Eric B. Ford , Darin Ragozzine

We provide a preliminary estimate of the performance of reflex astrometry on Earth-like planets in the habitable zones of nearby stars. In Monte Carlo experiments, we analyze large samples of astrometric data sets with low to moderate…

Earth and Planetary Astrophysics · Physics 2011-02-11 Robert A. Brown

Precise mass measurements of exoplanets discovered by the direct imaging or transit technique are required to determine planet bulk properties and potential habitability. Furthermore, it is generally acknowledged that, for the foreseeable…

Transmission and eclipse spectroscopy have been invaluable tools for the characterisation of extrasolar planet atmospheres. While they will continue to provide many new insights and discoveries in the decade(s) to come, these methods are…

Instrumentation and Methods for Astrophysics · Physics 2025-12-17 Ignas Snellen , Sebastiaan Haffert , Matthew Kenworthy , Tomas Stolker

There are several methods for indirectly detecting exoplanets, such as transit, radial velocity, astrometry, and the conventional gravitational microlensing approach. These methods rely on observing the effects of exoplanets on the emission…

Earth and Planetary Astrophysics · Physics 2024-07-09 Fatemeh Bagheri , Ramon E. Lopez , Amir Shahmoradi

Radial-velocity follow-up of stars harbouring transiting planets detected by TESS is expected to require very large amounts of expensive telescope time in the next few years. Therefore, scheduling strategies should be implemented to…

Earth and Planetary Astrophysics · Physics 2021-03-31 Lorenzo Cabona , Pedro Viana , Marco Landoni , João Faria

Exoplanet science is booming. In 20 years our knowledge has expanded considerably, from the first discovery of a Hot Jupiter, to the detection of a large population of Neptunes and super-Earths, to the first steps toward the…

Numerous telescopes and techniques have been used to find and study extrasolar planets, but none has been more successful than NASA's Kepler Space Telescope. Kepler has discovered the majority of known exoplanets, the smallest planets to…

Earth and Planetary Astrophysics · Physics 2015-06-22 Jack J. Lissauer , Rebekah I. Dawson , Scott Tremaine
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