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New optical measurements of planetary diameters V. Planet Mercury |
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| Authors: | Audouin Dollfus |
| Institution: | Observatoire de Paris, Section d''Astrophysique, 92190—Meudon, France |
| Abstract: | Telescopic measurements using the double-image technique, during transits of Mercury across the solar disk, give 2429 ± 18 km for the mean radius of Mercury along the two meridians centered at longitudes 90° and 270°, respectively (IAU system). |
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