Publications (6)
Spectral features of Earth-like planets and their detectability at different orbital distances around F, G, and K-type stars
Pascal Hedelt, Philip von Paris, Mareike Godolt +6
We investigate the spectral appearance of Earth-like exoplanets in the HZ of different main sequence stars at different orbital distances. We furthermore discuss for which of these…
Transmission Spectroscopy with the ACE-FTS Infrared Spectral Atlas of Earth: A Model Validation and Feasibility Study
Franz Schreier, Steffen Städt, Pascal Hedelt +1
Infrared solar occultation measurements are well established for remote sensing of Earth's atmosphere, and the corresponding primary transit spectroscopy has turned out to be valua…
Atmospheric constraints for the CO2 partial pressure on terrestrial planets near the outer edge of the habitable zone
Philip von Paris, J. Lee Grenfell, Pascal Hedelt +3
In recent years, several potentially habitable, probably terrestrial exoplanets and exoplanet candidates have been discovered. The amount of CO2 in their atmosphere is of great imp…
Spectroscopic characterization of the atmospheres of potentially habitable planets: GL 581 d as a model case study
Philip von Paris, Juan Cabrera, Mareike Godolt +5
(abridged) The Super-Earth candidate GL 581 d is the first potentially habitable extrasolar planet. Therefore, GL 581 d is used to illustrate a hypothetical detailed spectroscopic…
Sensitivity of Biomarkers to Changes in Chemical Emissions in the Earth's Proterozoic Atmosphere
John Lee Grenfell, Stefanie Gebauer, Philip von Paris +5
The search for life beyond the Solar System is a major activity in exoplanet science. However, even if an Earth-like planet were to be found, it is unlikely to be at a similar stag…
The Earth as an extrasolar transiting planet - II: HARPS and UVES detection of water vapor, biogenic O, and O
Luc Arnold, David Ehrenreich, Alfred Vidal-Madjar +9
The atmospheric composition of transiting exoplanets can be characterized during transit by spectroscopy. For the transit of an Earth twin, models predict that biogenic and $…