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Related papers: Extreme Precision Radial Velocity Working Group Fi…

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Exoplanet research has shown an incessant growth since the first claim of a hot giant planet around a solar-like star in the mid-1990s. Today, the new facilities are working to spot the first habitable rocky planets around low-mass stars as…

Instrumentation and Methods for Astrophysics · Physics 2018-08-08 Serena Benatti

Stellar variability impacts radial velocities at various timescales and therefore the detectability of exoplanets and the mass determination based on this technique. It is necessary to implement systematic studies, to delineate the current…

Earth and Planetary Astrophysics · Physics 2023-08-16 Nadège Meunier , Romain Pous , Sophia Sulis , David Mary , Anne-Marie Lagrange

The EXtreme PREcision Spectrograph (EXPRES) is an environmentally stabilized, fiber-fed, $R=137,500$, optical spectrograph. It was recently commissioned at the 4.3-m Lowell Discovery Telescope (LDT) near Flagstaff, Arizona. The spectrograph…

Directly imaging temperate rocky planets orbiting nearby, Sun-like stars with a 6-m-class IR/O/UV space telescope, recently dubbed the Habitable Worlds Observatory, is a high priority goal of the Astro2020 Decadal Survey. To prepare for…

PARAS is a fiber-fed stabilized high-resolution cross-dispersed echelle spectrograph, located on the 1.2 m telescope in Mt. Abu India. Designed for exoplanet detection, PARAS is capable of single-shot spectral coverage of 3800 - 9600 A, and…

Instrumentation and Methods for Astrophysics · Physics 2016-08-24 Arpita Roy , Abhijit Chakraborty , Suvrath Mahadevan , Priyanka Chaturvedi , Neelam J. S. S. V. Prasad , Vishal Shah , F. M. Pathan , B. G. Anandarao

Two of TESS's major science goals are to measure masses for 50 planets smaller than 4 Earth radii and to discover high-quality targets for atmospheric characterization efforts. It is important that these two goals are linked by quantifying…

Earth and Planetary Astrophysics · Physics 2020-01-08 Natasha E. Batalha , Taylor Lewis , Jonathan J. Fortney , Natalie M. Batalha , Eliza Kempton , Nikole K. Lewis , Michael R. Line

We present analytic estimates of the fractional uncertainties on the mass, radius, surface gravity, and density of a transiting planet, using only empirical or semi-empirical measurements. We first express these parameters in terms of…

Earth and Planetary Astrophysics · Physics 2021-04-28 Romy Rodriguez Martinez , Daniel J. Stevens , B. Scott Gaudi , Joseph G. Schulze , Wendy R. Panero , Jennifer A. Johnson , Ji Wang

Ground based radial velocity (RV) searches continue to discover exoplanets below Neptune mass down to Earth mass. Furthermore, ground based transit searches now reach milli-mag photometric precision and can discover Neptune size planets…

Future space-based direct imaging missions are poised to search for biosignatures in the atmospheres of potentially habitable planets orbiting nearby AFGKM stars. Although these missions could conduct a survey of high-priority target stars…

Earth and Planetary Astrophysics · Physics 2019-03-26 Courtney D. Dressing , Christopher C. Stark , Peter Plavchan , Eric Lopez

The precision of radial velocity (RV) measurements to detect indirectly planetary companions of nearby stars has improved to enable the discovery of extrasolar planets in the Neptune and Super-Earth mass range. Discoveries of Earth-like…

Astrophysics · Physics 2009-11-13 Michael Endl , Martin Kuerster

Future direct imaging missions such as HabEx and LUVOIR aim to catalog and characterize Earth-mass analogs around nearby stars. The exoplanet yield of these missions will be dependent on the frequency of Earth-like planets, and potentially…

This work assesses the potential capability of the next generation of high-precision Radial Velocity (RV) instruments for Earth-twin exoplanet detection. From the perspective of the importance of data sampling, the Terra Hunting Experiment…

Earth and Planetary Astrophysics · Physics 2018-06-13 Richard D. Hall , Samantha J. Thompson , Will Handley , Didier Queloz

The EXtreme PREcision Spectrograph (EXPRES) is an optical fiber fed echelle instrument being designed and built at the Yale Exoplanet Laboratory to be installed on the 4.3-meter Discovery Channel Telescope operated by Lowell Observatory.…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 C. Jurgenson , D. Fischer , T. McCracken , D. Sawyer , A. Szymkowiak , A. B. Davis , G. Muller , F. Santoro

Radial velocity (RV) searches for Earth-mass exoplanets in the habitable zone around Sun-like stars are limited by the effects of stellar variability on the host star. In particular, suppression of convective blueshift and brightness…

With the example of Proxima Centauri we discuss the feasibility of detecting terrestrial planets (1 to a few M_Earth) using the high precision radial velocity (RV) technique. If a very high RV precision for M stars is achieved even planets…

We quantify the scientific potential for exoplanet imaging with the Mid-infrared E-ELT Imager and Spectrograph (METIS) foreseen as one of the instruments of the European Extremely Large Telescope (E-ELT). We focus on two main science cases:…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 Sascha P. Quanz , Ian Crossfield , Michael R. Meyer , Eva Schmalzl , Jenny Held

Future direct imaging missions will primarily observe planets that have been previously detected, mostly via the radial velocity (RV) technique, to characterize planetary atmospheres. In the meantime, direct imaging may discover new planets…

High Definition Astrometry (0.1 - 1.0 micro-arcseconds) will open a new window into neighboring planetary systems. For the first time, the realm of temperate terrestrial worlds will be explored. This includes Earth Analogs, thereby allowing…

Earth and Planetary Astrophysics · Physics 2019-05-21 Philip Horzempa

Having discovered that Earth-sized planets are common, we are now embarking on a journey to determine if Earth-like planets are also common. Finding Earth-like planets is one of the most compelling endeavors of the 21st century - leading us…

High precision radial velocity (RV) measurements have been central in the study of exoplanets during the last two decades, from the early discovery of hot Jupiters, to the recent mass measurements of Earth-sized planets uncovered by transit…

Instrumentation and Methods for Astrophysics · Physics 2018-05-02 Étienne Artigau , Lison Malo , René Doyon , Pedro Figueira , Xavier Delfosse , Nicola Astudillo-Defru