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The Milky Way Galaxy is literally teeming with exoplanets; thousands of planets have been discovered, with thousands more planet candidates identified. Terrestrial-like planets are quite common around other stars, and are expected to be…

Earth and Planetary Astrophysics · Physics 2020-07-15 A. Petralia , E. Alei , G. Aresu , D. Locci , C. Cecchi-Pestellini , G. Micela , R. Claudi , A. Ciaravella

KMOS is a multi-object near-infrared integral field spectrometer with 24 deployable cryogenic pick-off arms. Inevitably, data processing is a complex task that requires careful calibration and quality control. In this paper we describe all…

Exoplanet detections and characterizations via direct imaging require high contrast and high angular resolution. These requirements typically require (i) cutting-edge instrumental facilities, (ii) optimized differential imaging to introduce…

Instrumentation and Methods for Astrophysics · Physics 2023-11-01 Jules Dallant , Maud Langlois , Olivier Flasseur , Éric Thiébaut

We are now on a clear trajectory for improvements in exoplanet observations that will revolutionize our ability to characterize their atmospheric structure, composition, and circulation, from gas giants to rocky planets. However, exoplanet…

Earth and Planetary Astrophysics · Physics 2019-05-20 Jonathan J. Fortney , Tyler D. Robinson , Shawn Domagal-Goldman , Anthony D. Del Genio , Iouli E. Gordon , Ehsan Gharib-Nezhad , Nikole Lewis , Clara Sousa-Silva , Vladimir Airapetian , Brian Drouin , Robert J. Hargreaves , Xinchuan Huang , Tijs Karman , Ramses M. Ramirez , Gregory B. Rieker , Jonathan Tennyson , Robin Wordsworth , Sergei N Yurchenko , Alexandria V Johnson , Timothy J. Lee , Chuanfei Dong , Stephen Kane , Mercedes Lopez-Morales , Thomas Fauchez , Timothy Lee , Mark S. Marley , Keeyoon Sung , Nader Haghighipour , Tyler Robinson , Sarah Horst , Peter Gao , Der-you Kao , Courtney Dressing , Roxana Lupu , Daniel Wolf Savin , Benjamin Fleury , Olivia Venot , Daniela Ascenzi , Stefanie Milam , Harold Linnartz , Murthy Gudipati , Guillaume Gronoff , Farid Salama , Lisseth Gavilan , Jordy Bouwman , Martin Turbet , Yves Benilan , Bryana Henderson , Natalie Batalha , Rebecca Jensen-Clem , Timothy Lyons , Richard Freedman , Edward Schwieterman , Jayesh Goyal , Luigi Mancini , Patrick Irwin , Jean-Michel Desert , Karan Molaverdikhani , John Gizis , Jake Taylor , Joshua Lothringer , Raymond Pierrehumbert , Robert Zellem , Natasha Batalha , Sarah Rugheimer , Jacob Lustig-Yaeger , Renyu Hu , Eliza Kempton , Giada Arney , Mike Line , Munazza Alam , Julianne Moses , Nicolas Iro , Laura Kreidberg , Jasmina Blecic , Tom Louden , Paul Molliere , Kevin Stevenson , Mark Swain , Kimberly Bott , Nikku Madhusudhan , Joshua Krissansen-Totton , Drake Deming , Irina Kitiashvili , Evgenya Shkolnik , Zafar Rustamkulov , Leslie Rogers , Laird Close

We present Exo-Transmit, a software package to calculate exoplanet transmission spectra for planets of varied composition. The code is designed to generate spectra of planets with a wide range of atmospheric composition, temperature,…

Earth and Planetary Astrophysics · Physics 2017-03-22 Eliza M. -R. Kempton , Roxana E. Lupu , Albert Owusu-Asare , Patrick Slough , Bryson Cale

At optical wavelengths, an exoplanet's signature is essentially reflected light from the host star - several orders of magnitude fainter. Since it is superimposed on the star spectrum its detection has been a difficult observational…

Earth and Planetary Astrophysics · Physics 2013-10-07 Jorge H. C. Martins , Pedro Figueira , Nuno Santos , Christophe Lovis

Context. Spectroscopy of exoplanet atmospheres at high resolving powers is rapidly gaining popularity to measure the presence of atomic and molecular species. While this technique is robust against contaminant absorption in the Earth's…

Earth and Planetary Astrophysics · Physics 2019-10-30 A. Chiavassa , M. Brogi

[Abridged] Recently, there have been a series of detections of molecules in the atmospheres of extrasolar planets using high spectral resolution (R~100,000) observations, mostly using the CRyogenic high-resolution InfraRed Echelle…

Earth and Planetary Astrophysics · Physics 2015-06-18 Remco J. de Kok , Jayne Birkby , Matteo Brogi , Henriette Schwarz , Simon Albrecht , Ernst J. W. de Mooij , Ignas A. G. Snellen

Spectral retrieval techniques are currently our best tool to interpret the observed exoplanet atmospheric data. Said techniques retrieve the optimal atmospheric components and parameters by identifying the best fit to an observed…

Earth and Planetary Astrophysics · Physics 2020-10-21 Kai Hou Yip , Ingo P. Waldmann , Angelos Tsiaras , Giovanna Tinetti

The discovery of a large number of terrestrial exoplanets in the habitable zones of their stars, many of which are qualitatively different from Earth, has led to a growing need for fast and flexible 3D climate models, which could model such…

Earth and Planetary Astrophysics · Physics 2022-02-09 Adiv Paradise , Evelyn Macdonald , Kristen Menou , Christopher Lee , Bo Lin Fan

Atmospheric profiling is a requirement for controlling wide-field Adaptive Optics (AO) instruments, analyzing the AO performance with respect to the observing conditions and predicting the Point Spread Function (PSF) spatial variations. We…

Instrumentation and Methods for Astrophysics · Physics 2019-04-17 Olivier Beltramo-Martin , Nazim A. Bharmal , Carlos M. Correia

Light-matter interactions lie at the heart of our exploration of exoplanetary atmospheres. Interpreting data obtained by remote sensing is enabled by meticulous, time- and resource-consuming work aiming at deepening our understanding of…

Earth and Planetary Astrophysics · Physics 2025-03-06 Laurent Wiesenfeld , Prajwal Niraula , Julien de Wit , Nejmeddine Jaïdane , Iouli E. Gordon , Robert J. Hargreaves

Our aim is to devise a detection method for exoplanet signatures (multiple sinusoids) that is both powerful and robust to partially unknown statistics under the null hypothesis. In the considered application, the noise is mostly created by…

Applications · Statistics 2021-10-14 Sophia Sulis , David Mary , Lionel Bigot

The Colorado Ultraviolet Transit Experiment (CUTE) is a 6U NASA CubeSat carrying a low-resolution (R ~3000), near-ultraviolet (255 - 330nm) spectrograph fed by a rectangular primary Cassegrain. CUTE, is planned for launch in spring 2020 and…

Instrumentation and Methods for Astrophysics · Physics 2018-07-23 A. G. Sreejith , Luca Fossati , Manfred Steller , Brian T. Fleming , Kevin France

A planet's emission spectrum contains information about atmospheric composition and structure. We compare the Bayesian Information Criterion (BIC) of blackbody fits and idealized spectral retrieval fits for the 44 planets with published…

Earth and Planetary Astrophysics · Physics 2015-06-18 C. J. Hansen , J. C. Schwartz , N. B. Cowan

Precision measurements of the beam pattern response are needed to predict the response of a radio telescope. Mapping the beam of a low frequency radio array presents a unique challenge and science cases such as the observation of the 21\,cm…

Instrumentation and Methods for Astrophysics · Physics 2024-07-08 Yifan Zhao , Daniel C. Jacobs , Titu Samson , Mrudula Gopal Krishna , Michael Horn , Marc-Olivier R. Lalonde , Raven Braithwaite , Logan Skabelund

We propose a new data analysis method for obtaining transmission spectra of exoplanet atmospheres and brightness variation across the stellar disk from transit observations. The new method is capable of recovering exoplanet atmosphere…

Solar and Stellar Astrophysics · Physics 2018-05-02 Erik Aronson , Nikolai Piskunov

Achieving a percentage-level precision measurement of the Coherent Elastic Neutrino Nucleus Scattering (CE{\nu}NS) spectrum requires a robust data processing pipeline which can be characterised with great precision. To fulfil this goal we…

Instrumentation and Detectors · Physics 2022-12-14 J. Colas , J. Billard , S. Ferriol , J. Gascon , T. Salagnac

We present new methodological features and physical ingredients included in the 1D radiative transfer code HELIOS, improving the hemispheric two-stream formalism. We conduct a thorough intercomparison survey with several established forward…

High-resolution spectrographs open a detailed window onto the atmospheres of stars and planets. As the number of systems observed with different instruments grows, it is crucial to develop a standard in analyzing spectral time series of…