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We present a statistical approach to assess the dust environment for a yet unknown comet (or when its parameters are known only with large uncertainty). This is of particular importance for missions such as ESA's Comet Interceptor mission…

Two groundbreaking new facilities will commence operations early in the 2020s and thereafter define much of the broad landscape of US optical-infrared astronomy in the remaining decade. The Large Synoptic Survey Telescope (LSST), perched…

The search for signs of life in the Universe has entered a new phase with the advent of the James Webb Space Telescope (JWST). Detecting biosignature gases via exoplanet atmosphere transmission spectroscopy is in principle within JWST's…

Earth and Planetary Astrophysics · Physics 2025-09-24 Sara Seager , Luis Welbanks , Lucas Ellerbroek , William Bains , Janusz J. Petkowski

Doppler and transit surveys are finding extrasolar planets of ever smaller mass and radius, and are now sampling the domain of superEarths (1-3 Earth radii). Recent results from the Doppler surveys suggest that discovery of a transiting…

Earth and Planetary Astrophysics · Physics 2015-05-13 D. Deming , S. Seager , J. Winn , E. Miller-Ricci , M. Clampin , D. Lindler , T. Greene , D. Charbonneau , G. Laughlin , G. Ricker , D. Latham , K. Ennico

We present our lens mass model of SMACS J0723, the first strong gravitational lens observed by the James Webb Space Telescope (JWST). We use data from the Hubble Space Telescope and Multi Unit Spectroscopic Explorer (MUSE) to build our…

Astrophysics of Galaxies · Physics 2022-10-14 G. B. Caminha , S. H. Suyu , A. Mercurio , G. Brammer , P. Bergamini , E. Vanzella , A. Acebron

Photometric and spectroscopic observations of five nearly parabolic comets with eccentricity larger than 0.99 at heliocentric distances greater than 4 AU were performed. No molecular emission was observed for any studied comet and the…

Since white dwarfs are small, the contrast between the thermal emission of an orbiting object and a white dwarf is dramatically enhanced compared to a main sequence host. Furthermore, rocky objects much smaller than the moon have no…

Earth and Planetary Astrophysics · Physics 2015-06-22 Henry Lin , Abraham Loeb

Direct-detection searches for dark matter are insensitive to dark matter particles that have large interactions with ordinary matter, which are stopped in the atmosphere or the Earth's crust before reaching terrestrial detectors. We use…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-18 Peizhi Du , Rouven Essig , Bernard J. Rauscher , Hailin Xu

The long-anticipated James Webb Space Telescope (JWST) will be able to directly detect large samples of galaxies at very high redshift. Using the well-established, computationally efficient Santa Cruz semi-analytic model, with recently…

Comets are pristine remnants of the Solar system, composed of dust and ice. They remain inactive and undetectable for most of their orbit due to low temperatures. However, as they approach the Sun, volatile materials sublimate, expelling…

Earth and Planetary Astrophysics · Physics 2023-11-20 K. Aravind , Shashikiran Ganesh

We describe the selection of the James Webb Space Telescope (JWST) North Ecliptic Pole (NEP) Time-Domain Field (TDF), a ~14' diameter field located within JWST's northern Continuous Viewing Zone (CVZ) and centered at (RA, Dec)_J2000 =…

Astrophysics of Galaxies · Physics 2018-11-07 Rolf A. Jansen , Rogier A. Windhorst

We present a new analysis of the potential power of deep, near-infrared, imaging surveys with the James Webb Space Telescope (JWST) to improve our knowledge of galaxy evolution. In this work we properly simulate what can be achieved with…

Astrophysics of Galaxies · Physics 2019-05-01 T. W. Kemp , J. S. Dunlop , R. J. McLure , C. Schreiber , A. C. Carnall , F. Cullen

The planned launch of the James Webb Space Telescope in 2018 will herald a new era of exoplanet spectroscopy. JWST will be the first telescope sensitive enough to potentially characterize terrestrial planets from their transmission spectra.…

Earth and Planetary Astrophysics · Physics 2016-03-11 Joanna K. Barstow , Suzanne Aigrain , Patrick G. J. Irwin , Sarah Kendrew , Leigh N. Fletcher

CO$_2$ is an important, stable, and abundant molecule in the Universe, but it is very difficult to detect because it has no observable pure rotational transitions. The unique sensitivity and resolution of the James Webb Space Telescope…

Astrophysics of Galaxies · Physics 2026-02-25 J. Qiu , A. Ciurlo , M. R. Morris , P. Vermot , J. L. Bourlot , D. Rouan , A. Togi , T. Do , A. M. Ghez , E. Bron , F. L. Petit , Y. Clénet , E. A. C. Mills , J. R. Lu

We review the development of dust science from the first ground-based astronomical observations of dust in space to compositional analysis of individual dust particles and their source objects. A multitude of observational techniques is…

Earth and Planetary Astrophysics · Physics 2019-12-03 Eberhard Grün , Harald Krüger , Ralf Srama

Exoplanetary science has reached a historic moment. The James Webb Space Telescope will be capable of probing the atmospheres of rocky planets, and perhaps even search for biologically produced gases. However this is contingent on…

In this chapter, we provide a review of radiative processes in cometary atmospheres spanning a broad range of wavelengths, from radio to X-rays. We focus on spectral modeling, observational opportunities, and anticipated challenges in the…

Earth and Planetary Astrophysics · Physics 2022-09-07 D. Bodewits , B. P. Bonev , M. A. Cordiner , G. L. Villanueva

On July 13, 2022, NASA released to the whole world the data obtained by the James Webb Space Telescope (JWST) Early Release Observations (ERO). These are the first set of science-grade data from this long-awaited facility, marking the…

Astrophysics of Galaxies · Physics 2023-01-04 Haojing Yan , Zhiyuan Ma , Chenxiaoji Ling , Cheng Cheng , Jia-sheng Huang

Brown dwarfs are essential probes of stellar and planetary formation, yet their low luminosities pose challenges for detection at large Galactic distances. The James Webb Space Telescope (JWST), with its unprecedented near-infrared…

Solar and Stellar Astrophysics · Physics 2025-10-03 Zhijun Tu , Shu Wang , Xiaodian Chen , Jifeng Liu

Spectroscopic transiting observations of the atmospheres of hot Jupiters around other stars, first with Hubble Space Telescope and then Spitzer, opened the door to compositional studies of exoplanets. The James Webb Space Telescope will…

Earth and Planetary Astrophysics · Physics 2019-04-02 J. I. Lunine , T. Greene , C. Beichman , J. Bean , H. B. Hammel , M. S. Marley
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