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Related papers: JexoSim: A time domain simulator of exoplanet tran…

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The recently developed JWST Exoplanet Observation Simulator (JexoSim) simulates transit spectroscopic observations of exoplanets by JWST with each of its four instruments using a time-domain approach. Previously we reported the validation…

Earth and Planetary Astrophysics · Physics 2021-09-15 Subhajit Sarkar , Nikku Madhusudhan

A new generation of exoplanet research beckons and with it the need for simulation tools that accurately predict signal and noise in transit spectroscopy observations. We developed ExoSim: an end-to-end simulator that models noise and…

Instrumentation and Methods for Astrophysics · Physics 2021-03-17 Subhajit Sarkar , Enzo Pascale , Andreas Papageorgiou , Luke J. Johnson , Ingo Waldmann

The James Webb Space Telescope's NIRSpec instrument will unveil the nature of exoplanet atmospheres across the wealth of planet types, from temperate terrestrial worlds to ultrahot Jupiters. In particular, the 0.6-5.3 micron PRISM mode is…

Earth and Planetary Astrophysics · Physics 2022-03-30 Zafar Rustamkulov , David Sing , Rongrong Liu , Ashley Wang

The James Webb Space Telescope (JWST) is predicted to make great advances in the field of exoplanet atmospheres. Its 25 m2 mirror means that it can reach unprecedented levels of precision in observations of transit spectra, and can thus…

Earth and Planetary Astrophysics · Physics 2015-02-10 Joanna K. Barstow , Suzanne Aigrain , Patrick G. J. Irwin , Sarah Kendrew , Leigh N. Fletcher

In this white paper, we assess the potential for JWST to characterize the atmospheres of super-Earth exoplanets, by simulating a range of transiting spectra with different masses and temperatures. Our results are based on a JWST simulator…

Earth and Planetary Astrophysics · Physics 2015-07-10 Natasha Batalha , Jason Kalirai , Jonathan Lunine , Mark Clampin , Don Lindler

The James Webb Space Telescope (JWST) will devote significant observing time to the study of exoplanets. It will not be serviceable as was the Hubble Space Telescope, and therefore the spacecraft/instruments will have a relatively limited…

Earth and Planetary Astrophysics · Physics 2020-03-25 Charles D. Fortenbach , Courtney D. Dressing

As we approach the James Webb Space Telescope (JWST) era, several studies have emerged that aim to: 1) characterize how the instruments will perform and 2) determine what atmospheric spectral features could theoretically be detected using…

Instrumentation and Methods for Astrophysics · Physics 2017-04-19 Natasha E. Batalha , Avi Mandell , Klaus Pontoppidan , Kevin B. Stevenson , Nikole K. Lewis , Jason Kalirai , Thomas Greene , Loïc Albert , Louise D. Nielsen , Nick Earl

The James Webb Space Telescope (JWST) is ushering in a new era in remote sensing of exoplanetary atmospheres. Atmospheric retrievals of exoplanets can be highly sensitive to high-precision JWST data. It is, therefore, imperative to…

Earth and Planetary Astrophysics · Physics 2023-07-12 Måns Holmberg , Nikku Madhusudhan

Eclipse exoplanet spectroscopy has yielded detection of H_2O, CH_4, CO_2 and CO in the atmosphere of hot jupiters and neptunes. About 40 large terrestrial planets are announced or confirmed, two of which are transiting, and another deemed…

Earth and Planetary Astrophysics · Physics 2015-05-19 A. R. Belu , F. Selsis , J-C. Morales , I. Ribas , C. Cossou , H. Rauer

Gen TSO is a noise calculator specifically tailored to simulate James Webb Space Telescope (JWST) time-series observations of exoplanets. Gen TSO enables the estimation of signal-to-noise ratios (S/N) for transit or eclipse depths through…

Earth and Planetary Astrophysics · Physics 2024-10-31 Patricio E. Cubillos

The JWST has ushered in a new era of exoplanet transit spectroscopy. Among the JWST instruments, the Near-Infrared Spectrograph (NIRSpec) has the most extensive set of configurations for exoplanet time series observations. The NIRSpec Prism…

Earth and Planetary Astrophysics · Physics 2024-05-14 Subhajit Sarkar , Nikku Madhusudhan , Savvas Constantinou , Måns Holmberg

The James Webb Space Telescope (JWST) has now started its exploration of exoplanetary worlds. In particular, the Mid-InfraRed Instrument (MIRI) with its Low-Resolution Spectrometer (LRS) carries out transit, eclipse, and phase-curve…

Earth and Planetary Astrophysics · Physics 2024-03-04 Achrène Dyrek , Elsa Ducrot , Pierre-Olivier Lagage , Pascal Tremblin , Sarah Kendrew , Jeroen Bouwman , Rémi Bouffet

The James Webb Space Telescope (JWST) will measure exoplanet transmission and eclipse spectroscopy at un-precedented precisions to better understand planet structure, dynamics, chemistry and formation. These are essential tools on the march…

Earth and Planetary Astrophysics · Physics 2018-07-18 Everett Schlawin , Thomas P. Greene , Michael Line , Jonathan J. Fortney , Marcia Rieke

EChOSim is the end-to-end time-domain simulator of the Exoplanet Characterisation Observatory (EChO) space mission. EChOSim has been developed to assess the capability EChO has to detect and characterize the atmospheres of transiting…

The field of exoplanet atmospheric characterization has recently made considerable advances with the advent of high-resolution spectroscopy from large ground-based telescopes and the commissioning of the James Webb Space Telescope (JWST).…

Earth and Planetary Astrophysics · Physics 2024-04-25 Eliza M. -R. Kempton , Heather A. Knutson

We have entered the era of the James Webb Space Telescope (JWST). We use the first JWST transmission spectrum of the hot Saturn-mass exoplanet, WASP-39 b, obtained with the NIRSpec instrument in the 3-5 $\mu$m range to investigate (a) what…

Earth and Planetary Astrophysics · Physics 2023-02-08 Savvas Constantinou , Nikku Madhusudhan , Siddharth Gandhi

The James Webb Space Telescope will enable astronomers to obtain exoplanet spectra of unprecedented precision. Especially the MIRI instrument may shed light on the nature of the cloud particles obscuring planetary transmission spectra in…

Earth and Planetary Astrophysics · Physics 2017-03-22 Paul Mollière , Roy van Boekel , Jeroen Bouwman , Thomas Henning , Pierre-Olivier Lagage , Michiel Min

The James Webb Space Telescope (JWST) will revolutionize our understanding of exoplanets with transit spectroscopy of a wide range of mature planets close to their host stars ($<$2 AU) and with coronagraphic imaging and spectroscopy of…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 Charles A. Beichman , Tom P. Greene

To address the the problem of calibration of instrument systematics in transit light curves, we present the Python package ExoTiC-ISM. Transit spectroscopy can reveal many different chemical components in exoplanet atmospheres, but such…

Instrumentation and Methods for Astrophysics · Physics 2020-07-16 Iva Laginja , Hannah R. Wakeford
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