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Habitable worlds with JWST: transit spectroscopy of the TRAPPIST-1 system?

Barstow, JK; Irwin, PGJ; (2016) Habitable worlds with JWST: transit spectroscopy of the TRAPPIST-1 system? Monthly Notices of the Royal Astronomical Society , 461 (1) L92-L96. 10.1093/mnrasl/slw109. Green open access

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Abstract

The recent discovery of three Earth-sized, potentially habitable planets around a nearby cool star, TRAPPIST-1, has provided three key targets for the upcoming James Webb Space Telescope (JWST). Depending on their atmospheric characteristics and precise orbit configurations, it is possible that any of the three planets may be in the liquid water habitable zone, meaning that they may be capable of supporting life. We find that present-day Earth levels of ozone, if present, would be detectable if JWST observes 60 transits for innermost planet 1b and 30 transits for 1c and 1d.

Type: Article
Title: Habitable worlds with JWST: transit spectroscopy of the TRAPPIST-1 system?
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/mnrasl/slw109
Publisher version: http://doi.org/10.1093/mnrasl/slw109
Language: English
Additional information: This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Keywords: Science & Technology, Physical Sciences, Astronomy & Astrophysics, radiative transfer, methods: data analysis, planets and satellites: atmospheres, EARTH-LIKE PLANETS, WEBB-SPACE-TELESCOPE, ATMOSPHERES, SPECTRA
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1529965
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