Search Results - "Rimmer, P. B."
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Prebiosignature Molecules Can Be Detected in Temperate Exoplanet Atmospheres with JWST
Published in The Astronomical journal (01-08-2023)“…Abstract The search for biosignatures on exoplanets connects the fields of biology and biochemistry to astronomical observation, with the hope that we might…”
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The Galactic cosmic ray intensity at the evolving Earth and young exoplanets
Published in Monthly notices of the Royal Astronomical Society (01-12-2020)“…ABSTRACT Cosmic rays may have contributed to the start of life on the Earth. Here, we investigate the evolution of the Galactic cosmic ray spectrum at the…”
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3
Linking Atmospheric Chemistry of the Hot Jupiter HD 209458b to Its Formation Location through Infrared Transmission and Emission Spectra
Published in The Astrophysical journal (01-06-2022)“…Abstract The elemental ratios of carbon, nitrogen, and oxygen in the atmospheres of hot Jupiters may hold clues to their formation locations in the…”
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Lightning climatology of exoplanets and brown dwarfs guided by Solar system data
Published in Monthly notices of the Royal Astronomical Society (01-10-2016)“…Clouds form on extrasolar planets and brown dwarfs where lightning could occur. Lightning is a tracer of atmospheric convection, cloud formation and ionization…”
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Multiwaveband photometry of the irradiated brown dwarf WD0137−349B
Published in Monthly notices of the Royal Astronomical Society (11-03-2015)“…WD0137-349 is a white dwarf-brown dwarf binary system in a 116 min orbit. We present radial velocity observations and multiwaveband photometry from V, R and I…”
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IONIZATION IN ATMOSPHERES OF BROWN DWARFS AND EXTRASOLAR PLANETS. IV. THE EFFECT OF COSMIC RAYS
Published in The Astrophysical journal (10-09-2013)“…Cosmic rays provide an important source for free electrons in Earth's atmosphere and also in dense interstellar regions where they produce a prevailing…”
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MOVES – IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b
Published in Monthly notices of the Royal Astronomical Society (01-04-2021)“…ABSTRACT Hot Jupiters provide valuable natural laboratories for studying potential contributions of high-energy radiation to pre-biotic synthesis in the…”
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Is lightning a possible source of the radio emission on HAT-P-11b?
Published in Monthly notices of the Royal Astronomical Society (11-09-2016)“…Lightning induced radio emission has been observed on Solar system planets. There have been many attempts to observe exoplanets in the radio wavelength,…”
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The energetic particle environment of a GJ 436 b-like planet
Published in Monthly notices of the Royal Astronomical Society (31-03-2023)“…ABSTRACT A key first step to constrain the impact of energetic particles in exoplanet atmospheres is to detect the chemical signature of ionization due to…”
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Identifiable Acetylene Features Predicted for Young Earth-like Exoplanets with Reducing Atmospheres Undergoing Heavy Bombardment
Published in The Astrophysical journal (01-01-2020)“…The chemical environments of young planets are assumed to be largely influenced by the impacts of bodies lingering on unstable trajectories after the…”
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Oxidised micrometeorites as evidence for low atmospheric pressure on the early Earth
Published in Geochemical perspectives letters (01-01-2019)“…Reconstructing a record of the partial pressure of molecular oxygen in Earth's atmosphere is key for understanding macroevolutionary and environmental change…”
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IONIZATION IN ATMOSPHERES OF BROWN DWARFS AND EXTRASOLAR PLANETS. V. ALFVEN IONIZATION
Published in The Astrophysical journal (10-10-2013)“…Observations of continuous radio and sporadic X-ray emission from low-mass objects suggest they harbor localized plasmas in their atmospheric environments. For…”
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IONIZATION IN ATMOSPHERES OF BROWN DWARFS AND EXTRASOLAR PLANETS. IV. THE EFFECT OF COSMIC RAYS
Published in The Astrophysical journal (21-08-2013)Get full text
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IONIZATION IN ATMOSPHERES OF BROWN DWARFS AND EXTRASOLAR PLANETS. V. ALFVÉN IONIZATION
Published in The Astrophysical journal (19-09-2013)Get full text
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Hydrogen cyanide in nitrogen-rich atmospheres of rocky exoplanets
Published in Icarus (New York, N.Y. 1962) (01-09-2019)“…Hydrogen cyanide (HCN) is a key feedstock molecule for the production of life's building blocks. The formation of HCN in an N2-rich atmospheres requires first…”
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Linking atmospheric chemistry of the hot Jupiter HD 209458b to its formation location through infrared transmission and emission spectra
Published 11-05-2022“…The elemental ratios of carbon, nitrogen, and oxygen in the atmospheres of hot Jupiters may hold clues to their formation locations in the protostellar disc…”
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17
Reduced atmospheres of post-impact worlds: The early Earth
Published 21-04-2022“…Impacts may have had a significant effect on the atmospheric chemistry of the early Earth. Reduced phases in the impactor (e.g., metallic iron) can reduce the…”
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The energetic particle environment of a GJ 436 b-like planet
Published 13-03-2023“…A key first step to constrain the impact of energetic particles in exoplanet atmospheres is to detect the chemical signature of ionisation due to stellar…”
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19
The Galactic cosmic ray intensity at the evolving Earth and young exoplanets
Published 04-09-2020“…Cosmic rays may have contributed to the start of life on Earth. Here, we investigate the evolution of the Galactic cosmic ray spectrum at Earth from ages $t =…”
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Shedding Light on the Kinetics of the Carboxysulfitic Scenario
Published in ACS earth and space chemistry (30-10-2024)Get full text
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