Matches in SemOpenAlex for { <https://semopenalex.org/work/W4364357054> ?p ?o ?g. }
- W4364357054 endingPage "A158" @default.
- W4364357054 startingPage "A158" @default.
- W4364357054 abstract "Cross-correlation spectroscopy is an invaluable tool in the study of exoplanets. However, aliasing between spectral lines makes it vulnerable to systematic biases. This work strives to constrain the aliases of the cross-correlation function to provide increased confidence in the detections of elements in the atmospheres of ultra-hot Jupiters (UHJs) observed with high-resolution spectrographs. We use a combination of archival transit observations of the UHJ KELT-9 b obtained with the HARPS-N and CARMENES spectrographs and show that it is possible to leverage each instrument’s strengths to produce robust detections at a substantially reduced signal-to-noise. Aliases that become present at low signal-to-noise regimes are constrained through a linear regression model. We confirm previous detections of H I, Na I, Mg I, Ca II, Sc II, Ti II, Cr II, Fe I, and Fe II, and detect eight new species, Ca I, Cr I, Ni I, Sr II, and Tb II, at the 5σ level, and Ti I, V I, and Ba II above the 3 σ level. Ionised terbium (Tb II) has never before been seen in an exoplanet atmosphere. We further conclude that a 5 σ threshold may not provide a reliable measure of confidence when used to claim detections, unless the systematics in the cross-correlation function caused by aliases are taken into account." @default.
- W4364357054 created "2023-04-12" @default.
- W4364357054 creator A5009442468 @default.
- W4364357054 creator A5011395889 @default.
- W4364357054 creator A5011617394 @default.
- W4364357054 creator A5017163128 @default.
- W4364357054 creator A5017617403 @default.
- W4364357054 creator A5085744538 @default.
- W4364357054 creator A5086496621 @default.
- W4364357054 creator A5087863018 @default.
- W4364357054 date "2023-05-01" @default.
- W4364357054 modified "2023-10-01" @default.
- W4364357054 title "The Mantis Network" @default.
- W4364357054 cites W1972226679 @default.
- W4364357054 cites W1976875638 @default.
- W4364357054 cites W1977126129 @default.
- W4364357054 cites W1993701031 @default.
- W4364357054 cites W1993817768 @default.
- W4364357054 cites W1997043944 @default.
- W4364357054 cites W1997669024 @default.
- W4364357054 cites W1999533780 @default.
- W4364357054 cites W2009450324 @default.
- W4364357054 cites W2036953117 @default.
- W4364357054 cites W2043152580 @default.
- W4364357054 cites W2066293328 @default.
- W4364357054 cites W2089630383 @default.
- W4364357054 cites W2092289266 @default.
- W4364357054 cites W2096390283 @default.
- W4364357054 cites W2136597776 @default.
- W4364357054 cites W2140611633 @default.
- W4364357054 cites W2158129300 @default.
- W4364357054 cites W2158222867 @default.
- W4364357054 cites W2162653031 @default.
- W4364357054 cites W2202368580 @default.
- W4364357054 cites W2235383234 @default.
- W4364357054 cites W2474206369 @default.
- W4364357054 cites W2528349507 @default.
- W4364357054 cites W2621369616 @default.
- W4364357054 cites W2622937564 @default.
- W4364357054 cites W2626907310 @default.
- W4364357054 cites W2809953403 @default.
- W4364357054 cites W2888199016 @default.
- W4364357054 cites W2895216826 @default.
- W4364357054 cites W2897974938 @default.
- W4364357054 cites W2945631454 @default.
- W4364357054 cites W2947309999 @default.
- W4364357054 cites W2950390689 @default.
- W4364357054 cites W2984630980 @default.
- W4364357054 cites W2995930961 @default.
- W4364357054 cites W2997435233 @default.
- W4364357054 cites W3007820680 @default.
- W4364357054 cites W3018354661 @default.
- W4364357054 cites W3024449407 @default.
- W4364357054 cites W3027856248 @default.
- W4364357054 cites W3032485088 @default.
- W4364357054 cites W3039635874 @default.
- W4364357054 cites W3098000512 @default.
- W4364357054 cites W3098298686 @default.
- W4364357054 cites W3098746777 @default.
- W4364357054 cites W3099064405 @default.
- W4364357054 cites W3099278318 @default.
- W4364357054 cites W3100402233 @default.
- W4364357054 cites W3100657927 @default.
- W4364357054 cites W3100704581 @default.
- W4364357054 cites W3101340384 @default.
- W4364357054 cites W3101385282 @default.
- W4364357054 cites W3103095507 @default.
- W4364357054 cites W3103145119 @default.
- W4364357054 cites W3103387875 @default.
- W4364357054 cites W3103867616 @default.
- W4364357054 cites W3104200917 @default.
- W4364357054 cites W3104399644 @default.
- W4364357054 cites W3105034142 @default.
- W4364357054 cites W3127828288 @default.
- W4364357054 cites W3133886174 @default.
- W4364357054 cites W3136164652 @default.
- W4364357054 cites W3149882728 @default.
- W4364357054 cites W3163457862 @default.
- W4364357054 cites W3166496227 @default.
- W4364357054 cites W3175498296 @default.
- W4364357054 cites W3183205306 @default.
- W4364357054 cites W3194362059 @default.
- W4364357054 cites W3209752112 @default.
- W4364357054 cites W3210144802 @default.
- W4364357054 cites W3214806220 @default.
- W4364357054 cites W3216714574 @default.
- W4364357054 cites W3217093632 @default.
- W4364357054 cites W4205670691 @default.
- W4364357054 cites W4220709639 @default.
- W4364357054 cites W4220996380 @default.
- W4364357054 cites W4223577568 @default.
- W4364357054 cites W4232651849 @default.
- W4364357054 cites W4286897146 @default.
- W4364357054 cites W4288091663 @default.
- W4364357054 cites W4288712267 @default.
- W4364357054 cites W4289253294 @default.
- W4364357054 cites W4296018713 @default.
- W4364357054 cites W4296483202 @default.