activity
20182026
most citedA resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

64 citations · 136 across the 17 of their papers we have counts for

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Showing astro-ph.IMShow all

7 papers · 1 filter

astro-ph.IM2026

Optimal Photon Counting with Fast, Low Noise Astronomical Imagers

Jack T. Dinsmore, Christopher Layden, Roger W. Romani +9

Measuring rapid astrophysical phenomena requires many short exposures, which suffer from repeated read noise. A variety of recent technologies are achieving sub-electron read noise…

astro-ph.IM2026

The Lightspeed project: high-speed, ultra-low read noise imaging and polarimetry for the Magellan telescopes

Christopher Layden, Kevin Burdge, John J. Piotrowski +12

Lightspeed will be an ultra-fast (> kHz), ultra-low read noise, multicolor (ugriz + IR) imager for the 6.5 meter Magellan Clay telescope. In a single-channel configuration, Lightsp…

astro-ph.IM2026

proto-Lightspeed: a high-speed, ultra-low read noise imager on the Magellan Clay Telescope

Christopher Layden, Kevin Burdge, Gabor Furesz +9

proto-Lightspeed is a new instrument that has been commissioned on the Nasmyth East port of the Magellan Clay Telescope at Las Campanas Observatory to deliver high-speed optical im…

astro-ph.IM2020

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

Juliana García-Mejía, David Charbonneau, Daniel Fabricant +4

We report on the status of the Tierras Observatory, a refurbished 1.3-m ultra-precise fully-automated photometer located at the F. L. Whipple Observatory atop Mt. Hopkins, Arizona.…

astro-ph.IM2020

Characterization of a multi-etalon array for ultra-high resolution spectroscopy

Surangkhana Rukdee, Sagi Ben-Ami, Andrew Szentgyorgyi +3

The upcoming Extremely Large Telescopes (ELTs) are expected to have the collecting area required to detect potential biosignature gases in the atmosphere of rocky planets around ne…

astro-ph.IM2019★ 12 cited

First radial velocity results from the MINiature Exoplanet Radial Velocity Array (MINERVA)

Maurice L. Wilson, Jason D. Eastman, Matthew A. Cornachione +52

The MINiature Exoplanet Radial Velocity Array (MINERVA) is a dedicated observatory of four 0.7m robotic telescopes fiber-fed to a KiwiSpec spectrograph. The MINERVA mission is to d…

astro-ph.IM2018★ 19 cited

High Resolution Spectroscopy using Fabry Perot Intereferometer Arrays: An Application to Searches for O in Exoplanetary Atmospheres

Sagi Ben-Ami, Mercedes López-Morales, Juliana Garcia-Mejia +2

We present a novel implementation for extremely high resolution spectroscopy using custom-designed Fabry Perot Interferometer (FPI) arrays. For a given telescope aperture at the se…