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Showing 1–3 of 3 results
Advanced filters: Author: T. Mazeh Clear advanced filters

  • The analysis of radial velocity variations of O-type stars in the Small Magellanic Cloud reveals a large fraction of close binaries, suggesting that binary physics also plays a prominent role in the low-metallicity environment of the distant Universe.

    • H. Sana
    • T. Shenar
    • R. Willcox
    Research
    Nature Astronomy
    Volume: 9, P: 1337-1346

  • Of the more than 400 known exoplanets, about 70 transit their central star, most in small orbits (with periods of around 1 day, for instance). Here, observations are reported of the transit of CoRoT-9b, which orbits with a period of 95.274 days, on a low eccentricity, around a solar-like star. Its relatively large periastron distance yields a 'temperate' photospheric temperature estimated to be between 250 and 430 K, and its interior composition is inferred to be consistent with those of Jupiter and Saturn.

    • H. J. Deeg
    • C. Moutou
    • G. Wuchterl
    Research
    Nature
    Volume: 464, P: 384-387