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Hubble Space Telescope Transmission Spectroscopy of the Exoplanet HD 189733b: High-altitude atmospheric haze in the optical and near-UV with STIS

Abstract:

We present Hubble Space Telescope optical and near-ultraviolet transmission spectra of the transiting hot-Jupiter HD189733b, taken with the repaired Space Telescope Imaging Spectrograph (STIS) instrument. The resulting spectra cover the range 2900-5700 Ang and reach per-exposure signal-to-noise levels greater than 11,000 within a 500 Ang bandwidth. We used time series spectra obtained during two transit events to determine the wavelength dependance of the planetary radius and measure the exop...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Journal:
Monthly Notices of the Royal Astronomical Society
Publication date:
2011-02-28
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:60653e5c-217d-43f1-b818-36cb42bdabd2
Source identifiers:
170357
Local pid:
pubs:170357
Keywords:

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