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TOI 564 b and TOI 905 b: Grazing and Fully Transiting Hot Jupiters Discovered by TESS
Allen B. Davis, Songhu Wang, Matias Jones +46
We report the discovery and confirmation of two new hot Jupiters discovered by the Transiting Exoplanet Survey Satellite (TESS): TOI 564 b and TOI 905 b. The transits of these two…
The Measured Impact of Chromatic Atmospheric Effects on Barycentric Corrections: Results from the EXtreme PREcision Spectrograph
Ryan Blackman, Joel Ong, Debra Fischer
One source of error in high-precision radial velocity measurements of exoplanet host stars is chromatic change in Earth's atmospheric transmission during observations. Mitigation o…
Modeling the Echelle Spectra Continuum with Alpha Shapes and Local Regression Fitting
Xin Xu, Jessi Cisewski-Kehe, Allen B. Davis +2
Continuum normalization of echelle spectra is an important data analysis step that is difficult to automate. Polynomial fitting requires a reasonably high order model to follow the…
Towards a Self-calibrating, Empirical, Light-Weight Model for Tellurics in High-Resolution Spectra
Christopher Leet, Debra A. Fischer, Jeff A. Valenti
To discover Earth analogs around other stars, next generation spectrographs must measure radial velocity (RV) with 10 cm/s precision. To achieve 10cm/s precision, however, the effe…