Rauer, H. and Bockelee-Morvan, D. and Coustenis, A. and Guillot, T. and Schneider, J. (2000) Search for an exosphere around 51 Pegasi B with ISO. Astronomy and Astrophysics, 335, pp. 573-580.
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The detection of absorption features in spectra of 51 Peg obtained during transit of its planet would provide a first clue on the physical nature of the planet. We have searched for signatures of an exosphere of the planet orbiting 51 Peg in the wavelength range from 2.39 μm to 3.5 μm and from 4.55 μm to 4.74 μm using SWS on ISO. Careful comparison of spectra taken during the transit of the planet with spectra obtained when the planet was not in the line-of-sight did not reveal any significant differences. We provide the S/N ratio and upper limits on the equivalent width of potential absorption lines in all wavelength bands. The upper limits on the equivalent width can be used for comparisons with predictions of the density of a potential exosphere of 51 Peg in future models. Based on observations with ISO, an ESA project with instruments funded by ESA Member States (especially the PI countries: France, Germany, the Netherlands and the United Kingdom) and with the participation of ISAS and NASA.
|Title:||Search for an exosphere around 51 Pegasi B with ISO|
|Journal or Publication Title:||Astronomy and Astrophysics|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 573-580|
|Keywords:||TECHNIQUES: SPECTROSCOPIC, STARS: ATMOSPHERES, STARS: INDIVIDUAL: 51 PEG B|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institut für Weltraumsensorik und Planetenerkundung|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||14 Jan 2010 18:42|
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