Search Results for author: David Charbonneau

Found 2 papers, 1 papers with code

The Tierras Observatory: An ultra-precise photometer to characterize nearby terrestrial exoplanets

no code implementations17 Dec 2020 Juliana García-Mejía, David Charbonneau, Daniel Fabricant, Jonathan M. Irwin, Robert Fata, Joseph M. Zajac, Peter E. Doherty

The design choices that will enable our science goals include: a four-lens focal reducer and field-flattener to increase the field-of-view of the telescope from a $11. 94'$ to a $0. 48^{\circ}$ side; a custom narrow bandpass ($40. 2$ nm FWHM) filter centered around $863. 5$ nm to minimize PWV errors known to limit ground-based photometry of red dwarfs; and a deep-depletion $4K \times 4K$ CCD with a 300ke-full well and QE$>85\%$ in our bandpass, operating in frame transfer mode.

Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics

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