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Photochemical hazes can trace the C/O ratio in exoplanet atmospheres
Lia Corrales, Lisseth Gavilan, D. J. Teal +1
Photochemical hazes are suspected to obscure molecular features, such as water, from detection in the transmission spectra of exoplanets with atmospheric temperatures < 800 K. The…
The strongly irradiated planets in Praesepe
George W. King, Peter J. Wheatley, Victoria A. Fawcett +3
We present an analysis of XMM-Newton observations of four stars in the young (670 Myr) open cluster Praesepe. The planets hosted by these stars all lie close in radius-period space…
Five new hot-Jupiter transits investigated with Swift-UVOT
Lia Corrales, Sasikrishna Ravi, George W. King +3
Short wavelength exoplanet transit measurements have been used to probe mass-loss in exoplanet atmospheres. We present the Swift-UVOT transit light curves for five hot Jupiters orb…
The near-UV transit of HD 189733b with the XMM-Newton Optical Monitor
George W. King, Lía Corrales, Peter J. Wheatley +6
We present analysis of XMM-Newton Optical Monitor observations in the near-ultraviolet of HD 189733, covering twenty primary transits of its hot Jupiter planet. The transit is clea…
Astro 2020: Astromineralogy of interstellar dust with X-ray spectroscopy
Lia Corrales, Lynne Valencic, Elisa Costantini +16
X-ray absorption fine structure (XAFS) in the 0.2-2 keV band is a crucial component in multi-wavelength studies of dust mineralogy, size, and shape -- parameters that are necessary…