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Astrometric Detection of Giant Planets Around Nearby M Dwarfs: The Gaia Potential
A. Sozzetti, P. Giacobbe, M. G. Lattanzi +3
[abridged] We carry out numerical simulations to gauge the Gaia potential for precision astrometry of exoplanets orbiting a sample of known dM stars within 30 pc from the Sun. (1)…
Molecular Detectability in Exoplanetary Emission Spectra
Tessenyi Marcell, Tinetti Giovanna, Savini Giorgio +1
Of the many recently discovered worlds orbiting distant stars, very little is yet known of their chemical composition. With the arrival of new transit spectroscopy and direct imagi…
TAU: A 1D radiative transfer code for transmission spectroscopy of extrasolar planet atmospheres
M. D. J. Hollis, M. Tessenyi, G. Tinetti
The TAU code is a 1D line-by-line radiative transfer code, which is generally applicable for modelling transmission spectra of close-in extrasolar planets. The inputs are the assum…
Photometric stability analysis of the Exoplanet Characterisation Observatory
I. P. Waldmann, E. Pascale, B. Swinyard +6
Photometric stability is a key requirement for time-resolved spectroscopic observations of transiting extrasolar planets. In the context of the Exoplanet Characterisation Observato…
Blind extraction of an exoplanetary spectrum through Independent Component Analysis
Ingo P. Waldmann, Giovanna Tinetti, Pieter Deroo +3
Blind-source separation techniques are used to extract the transmission spectrum of the hot-Jupiter HD189733b recorded by the Hubble/NICMOS instrument. Such a 'blind' analysis of t…