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Cited by 428

The DOI matches its Crossref record; 64 of the 64 references it cites were found in a registry or an index.

Hubble Space Telescope transmission spectroscopy of the exoplanet HD 189733b: high-altitude atmospheric haze in the optical and near-ultraviolet with STIS: HST transmission spectroscopy of HD 189733b

Open access
Sing, D. K., Pont, F., Aigrain, S., Charbonneau, D., Désert, J.-M., Gibson, N., Gilliland, R., Hayek, W., Henry, G., Knutson, H., des Etangs, A. Lecavelier, Mazeh, T., Shporer, A.·2011·Monthly Notices of the Royal Astronomical Society

Abstract

We present Hubble Space Telescope (HST) optical and near-ultraviolet transmission spectra of the transiting hot Jupiter HD 189733b, taken with the repaired Space Telescope Imaging Spectrograph (STIS) instrument. The resulting spectra cover the range 2900–5700 Å and reach per exposure signal-to-noise ratio levels greater than 11 000 within a 500-Å bandwidth. We used time series spectra obtained during two transit events to determine the wavelength dependence of the planetary radius and measure the exoplanet’s atmospheric transmission spectrum for the first time over this wavelength range. Our measurements, in conjunction with existing HST spectra, now provide a broad-band transmission spectrum covering the full optical regime. The STIS data also show unambiguous evidence of a large occulted stellar spot during one of our transit events, which we use to place constraints on the characteristics of the K dwarf’s stellar spots, estimating spot temperatures around Teff∼ 4250 K. With contemporaneous ground-based photometric monitoring of the stellar variability, we also measure the correlation between the stellar activity level and transit-measured planet-to-star radius contrast, which is in good agreement with predictions. We find a planetary transmission spectrum in good agreement with that of Rayleigh scattering from a high-altitude atmospheric haze as previously found from HST Advanced Camera for Surveys. The high-altitude haze is now found to cover the entire optical regime and is well characterized by Rayleigh scattering. These findings suggest that haze may be a globally dominant atmospheric feature of the planet which would result in a high optical albedo at shorter optical wavelengths.

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Crossref · 10.1111/j.1365-2966.2011.19142.x

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Metadata

Authors
Sing, D. K., Pont, F., Aigrain, S., Charbonneau, D., Désert, J.-M., Gibson, N., Gilliland, R., Hayek, W., Henry, G., Knutson, H., des Etangs, A. L., Mazeh, T., & Shporer, A.
Venue
Monthly Notices of the Royal Astronomical Society
Published
2011-07-25
Volume
416
Issue
2
Pages
1443-1455
ISSN
0035-8711 (ISSN-L)
OpenAlex
W2104072923
Cited by
428
References
64
FWCI
21.09
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Hubble Space Telescope transmission spectroscopy of the exoplanet HD 189733b: high-altitude atmospheric haze in the optical and near-ultraviolet with STIS: HST transmission spectroscopy of HD 189733b. https://app.cochat.ai/papers/10.1111/j.1365-2966.2011.19142.x
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Sing, D. K., Pont, F., Aigrain, S., Charbonneau, D., Désert, J.-M., Gibson, N., Gilliland, R., Hayek, W., Henry, G., Knutson, H., des Etangs, A. L., Mazeh, T., & Shporer, A. (2011). Hubble Space Telescope transmission spectroscopy of the exoplanet HD 189733b: high-altitude atmospheric haze in the optical and near-ultraviolet with STIS: HST transmission spectroscopy of HD 189733b. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1111/j.1365-2966.2011.19142.x

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