The near-UV transit of HD 189733b with the XMM–Newton optical monitor

George W. King,Lía Corrales,Peter J. Wheatley,Panayotis Lavvas,Maria E. Steinrueck,Vincent Bourrier,David Ehrenreich,Alain Lecavelier des Etangs,Tom Louden

Monthly Notices of the Royal Astronomical Society（2021）

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摘要

We present analysis of XMM–Newton optical monitor observations in the near-ultraviolet of HD 189733, covering 20 primary transits of its hot Jupiter planet. The transit is clearly detected with both the UVW2 and UVM2 filters, and our fits to the data reveal transit depths in agreement with that observed optically. The measured depths correspond to radii of $1.059^{+0.046}_{-0.050}$ and ...

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关键词

planets and satellites: atmospheres,planets and satellites: individual: HD 189733b,ultraviolet: planetary systems

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