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Planet-Planet Occultations in TRAPPIST-1 and Other Exoplanet Systems
Rodrigo Luger, Jacob Lustig-Yaeger, Eric Agol
We explore the occurrence and detectability of planet-planet occultations (PPOs) in exoplanet systems. These are events during which a planet occults the disk of another planet in…
Linear models for systematics and nuisances
Rodrigo Luger, Daniel Foreman-Mackey, David W. Hogg
The target of many astronomical studies is the recovery of tiny astrophysical signals living in a sea of uninteresting (but usually dominant) noise. In many contexts (i.e., stellar…
A seven-planet resonant chain in TRAPPIST-1
Rodrigo Luger, Marko Sestovic, Ethan Kruse +30
The TRAPPIST-1 system is the first transiting planet system found orbiting an ultra-cool dwarf star. At least seven planets similar to Earth in radius and in mass were previously f…
An update to the EVEREST K2 pipeline: Short cadence, saturated stars, and Kepler-like photometry down to Kp = 15
Rodrigo Luger, Ethan Kruse, Daniel Foreman-Mackey +2
We present an update to the EVEREST K2 pipeline that addresses various limitations in the previous version and improves the photometric precision of the de-trended light curves. We…