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researcher

J. Grenfell

83 papers hereh-index 406.5k citations321 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author1
  • first author13
  • middle author48
  • last author1

Across the 63 of 83 papers where every author was matched, so the position is known.

fields
  • astro-ph.EP73
  • astro-ph5
  • astro-ph.IM5

identity via Semantic Scholar / OpenAlex

activity
20062026
most citedExoplanet Biosignatures: A Review of Remotely Detectable Signs of Life

529 citations · 4.3k across the 81 of their papers we have counts for

collaborators
Showing 2023Show all

3 papers · 1 filter

astro-ph.EP2023

Impact of Cosmic Rays on Atmospheric Ion Chemistry and Spectral Transmission Features of TRAPPIST-1e

Konstantin Herbst, Andreas Bartenschlager, John Lee Grenfell +10

Ongoing observing projects like the James Webb Space Telescope (JWST) and future missions offer the chance to characterize Earth-like exoplanetary atmospheres. Thereby, M-dwarfs ar…

astro-ph.EP2023

Assessment of a Physics-based Retrieval of Exoplanet Atmospheric Temperatures from Infrared Emission Spectra

Franz Schreier, J. Lee Grenfell, Fabian Wunderlich +1

Atmospheric temperatures are to be estimated from thermal emission spectra of Earth-like exoplanets orbiting M-stars as observed by current and future planned missions. To this end…

astro-ph.EP2023★ 16 cited

Redox state and interior structure control on the long-term habitability of stagnant-lid planets

Philipp Baumeister, Nicola Tosi, Caroline Brachmann +2

A major goal in the search for extraterrestrial life is the detection of liquid water on the surface of exoplanets. On terrestrial planets, volcanic outgassing is a significant sou…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.