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20122024
most citedExoplanet Biosignatures: A Review of Remotely Detectable Signs of Life

529 citations · 3.8k across the 47 of their papers we have counts for

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32 papers · 1 filter

astro-ph.EP2024

The Mega-MUSCLES Treasury Survey: X-ray to infrared Spectral Energy Distributions of a representative sample of M dwarfs

David J. Wilson, Cynthia S. Froning, Girish M. Duvvuri +15

We present 5-1x10^7 Angstrom spectral energy distributions (SEDs) for twelve M dwarf stars covering spectral types M0-M8. Our SEDs are provided for community use as a sequel to the…

astro-ph.EP2024

Earth-like exoplanets in spin-orbit resonances: climate dynamics, 3D atmospheric chemistry, and observational signatures

Marrick Braam, Paul I. Palmer, Leen Decin +3

Terrestrial exoplanets around M- and K-type stars are important targets for atmospheric characterisation. Such planets are likely tidally locked with the order of spin-orbit resona…

astro-ph.EP2024★ 5 cited

Large Interferometer For Exoplanets (LIFE). XIV. Finding terrestrial protoplanets in the galactic neighborhood

Lorenzo Cesario, Tim Lichtenberg, Eleonora Alei +62

The increased brightness temperature of young rocky protoplanets during their magma ocean epoch makes them potentially amenable to atmospheric characterization to distances from th…

astro-ph.EP2024★ 20 cited

Large Interferometer For Exoplanets (LIFE): XIII. The Value of Combining Thermal Emission and Reflected Light for the Characterization of Earth Twins

E. Alei, S. P. Quanz, B. S. Konrad +9

Following the recommendations to NASA and ESA, the search for life on exoplanets will be a priority in the next decades. Two direct imaging space mission concepts are being develop…

astro-ph.EP2023★ 17 cited

Prebiosignature Molecules Can Be Detected in Temperate Exoplanet Atmospheres with JWST

Alastair Claringbold, Paul Rimmer, Sarah Rugheimer +1

The search for biosignatures on exoplanets connects the fields of biology and biochemistry to astronomical observation, with the hope that we might detect evidence of active biolog…

astro-ph.EP2023★ 20 cited

Large Interferometer For Exoplanets (LIFE): IX. Assessing the Impact of Clouds on Atmospheric Retrievals at Mid-Infrared Wavelengths with a Venus-Twin Exoplanet

B. S. Konrad, E. Alei, S. P. Quanz +10

The Large Interferometer For Exoplanets (LIFE) initiative aims to develop a space based mid-infrared (MIR) nulling interferometer to measure the thermal emission spectra of tempera…

astro-ph.EP2022★ 28 cited

Variability due to climate and chemistry in observations of oxygenated Earth-analogue exoplanets

Gregory Cooke, Dan Marsh, Catherine Walsh +2

The Great Oxidation Event was a period during which Earth's atmospheric oxygen (O) concentrations increased from times its present atmospheric level (PAL) to nea…

astro-ph.EP2022★ 60 cited

Large Interferometer For Exoplanets (LIFE): V. Diagnostic potential of a mid-infrared space-interferometer for studying Earth analogs

Eleonora Alei, Björn S. Konrad, Daniel Angerhausen +6

An important future goal in exoplanetology is to detect and characterize potentially habitable planets. Using nulling interferometry, LIFE will allow us to constrain the radius and…

astro-ph.EP2021★ 60 cited

Large Interferometer For Exoplanets (LIFE): III. Spectral resolution, wavelength range and sensitivity requirements based on atmospheric retrieval analyses of an exo-Earth

B. S. Konrad, E. Alei, D. Angerhausen +9

Temperate terrestrial exoplanets are likely common objects, but their discovery and characterization is very challenging. Concepts for optimized space missions to overcome these ch…

astro-ph.EP2021

Starting Life and Searching for Life on Rocky Planets

Paul B Rimmer, Sukrit Ranjan, Sarah Rugheimer

The study of origins of life on Earth and the search for life on other planets are closely linked. Prebiotic chemical scenarios can help prioritize planets as targets for the searc…

astro-ph.EP2021★ 203 cited

Large Interferometer For Exoplanets (LIFE): I. Improved exoplanet detection yield estimates for a large mid-infrared space-interferometer mission

S. P. Quanz, M. Ottiger, E. Fontanet +68

One of the long-term goals of exoplanet science is the atmospheric characterization of dozens of small exoplanets in order to understand their diversity and search for habitable wo…

astro-ph.EP2021★ 40 cited

Characterizing Atmospheres of Transiting Earth-like Exoplanets Orbiting M Dwarfs with James Webb Space Telescope

Megan T. Gialluca, Tyler D. Robinson, Sarah Rugheimer +1

A number of transiting, potentially habitable Earth-sized exoplanets have recently been detected around several nearby M dwarf stars. These worlds represent important targets for a…

astro-ph.EP2020★ 15 cited

Finding Signs of Life on Earth-like Planets: High-resolution Transmission Spectra of Earth through time around FGKM stars

L. Kaltenegger, Z. Lin, S. Rugheimer

The search for life in the universe mainly uses modern Earth as a template. However, we know that Earth's atmospheric composition changed significantly through its geological evolu…

astro-ph.EP2020★ 88 cited

The High-Energy Radiation Environment Around a 10 Gyr M Dwarf: Habitable at Last?

Kevin France, Girish Duvvuri, Hilary Egan +20

High levels of X-ray and UV activity on young M dwarfs may drive rapid atmospheric escape on temperate, terrestrial planets orbiting within the liquid water habitable zone. However…

astro-ph.EP2019★ 62 cited

Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability & diversity

Sascha P. Quanz, Olivier Absil, Daniel Angerhausen +45

Exoplanet science is one of the most thriving fields of modern astrophysics. A major goal is the atmospheric characterization of dozens of small, terrestrial exoplanets in order to…

astro-ph.EP2019★ 246 cited

Impact of Space Weather on Climate and Habitability of Terrestrial Type Exoplanets

V. S. Airapetian, R. Barnes, O. Cohen +43

The current progress in the detection of terrestrial type exoplanets has opened a new avenue in the characterization of exoplanetary atmospheres and in the search for biosignatures…

astro-ph.EP2019★ 11 cited

The Need for Laboratory Measurements and Ab Initio Studies to Aid Understanding of Exoplanetary Atmospheres

Jonathan J. Fortney, Tyler D. Robinson, Shawn Domagal-Goldman +85

We are now on a clear trajectory for improvements in exoplanet observations that will revolutionize our ability to characterize their atmospheric structure, composition, and circul…

astro-ph.EP2019★ 28 cited

Theoretical Reflectance Spectra of Earth-Like Planets through Their Evolutions: Impact of Clouds on the Detectability of Oxygen, Water, and Methane with Future Direct Imaging Missions

Yui Kawashima, Sarah Rugheimer

In the near-future, atmospheric characterization of Earth-like planets in the habitable zone will become possible via reflectance spectroscopy with future telescopes such as the pr…

astro-ph.EP2019

Reconstructing Extreme Space Weather from Planet Hosting Stars

V. S. Airapetian, V. Adibekyan, M. Ansdell +80

The field of exoplanetary science is making rapid progress both in statistical studies of exoplanet properties as well as in individual characterization. As space missions provide…

astro-ph.EP2019★ 1 cited

Ultraviolet Spectropolarimetry as a Tool for Understanding the Diversity of Exoplanetary Atmospheres

L. Fossati, L. Rossi, D. Stam +19

The polarization state of starlight reflected by a planetary atmosphere uniquely reveals coverage, particle size, and composition of aerosols as well as changing cloud patterns. It…

astro-ph.EP2019★ 4 cited

The Importance of 3D General Circulation Models for Characterizing the Climate and Habitability of Terrestrial Extrasolar Planets

Eric T. Wolf, Ravi Kopparapu, Vladimir Airapetian +27

While recently discovered exotic new planet-types have both challenged our imaginations and broadened our knowledge of planetary system workings, perhaps the most compelling object…

astro-ph.EP2019★ 114 cited

Hydrogen Cyanide in Nitrogen-Rich Atmospheres of Rocky Exoplanets

Paul B. Rimmer, Sarah Rugheimer

Hydrogen cyanide (HCN) is a key feedstock molecule for the production of life's building blocks. The formation of HCN in an N-rich atmospheres requires first that the triple bo…

astro-ph.EP2018★ 4 cited

The Origins Space Telescope: Towards An Understanding of Temperate Planetary Atmospheres

Jonathan Fortney, Tiffany Kataria, Kevin Stevenson +46

The Origins Space Telescope (OST) is one of four mission concepts currently being studied by NASA in preparation for the Astrophysics 2020 Decadal Survey. With active cooling (~4 K…

astro-ph.EP2018★ 3 cited

Exploring Extreme Space Weather Factors of Exoplanetary Habitability

V. S. Airapetian, V. Adibekyan, M. Ansdell +46

It is currently unknown how common life is on exoplanets, or how long planets can remain viable for life. To date, we have a superficial notion of habitability, a necessary first s…