activity
20092024
most citedCHIRON - A Fiber Fed Spectrometer for Precise Radial Velocities

302 citations · 2.7k across the 99 of their papers we have counts for

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Showing 2022Show all

16 papers · 1 filter

astro-ph.EP2022★ 15 cited

NEID Reveals that The Young Warm Neptune TOI-2076 b Has a Low Obliquity

Robert C. Frazier, Gudmundur Stefansson, Suvrath Mahadevan +27

TOI-2076 b is a sub-Neptune-sized planet () that transits a young () bright () K-dwarf hosting a system of three transiting…

astro-ph.EP2022★ 18 cited

Ultimate limits of exoplanet spectroscopy: a quantum approach

Zixin Huang, Christian Schwab, Cosmo Lupo

One of the big challenges in exoplanet science is to determine the atmospheric makeup of extrasolar planets, and to find biosignatures that hint at the existence of biochemical pro…

astro-ph.IM2022★ 27 cited

MAROON-X: The first two years of EPRVs from Gemini North

Andreas Seifahrt, Jacob L. Bean, David Kasper +11

MAROON-X is a fiber-fed, optical EPRV spectrograph at the 8-m Gemini North Telescope on Mauna Kea, Hawai'i. MAROON-X was commissioned as a visiting instrument in December 2019 and…

astro-ph.IM2022★ 3 cited

Real-time exposure control and instrument operation with the NEID spectrograph GUI

Arvind F. Gupta, Chad F. Bender, Joe P. Ninan +14

The NEID spectrograph on the WIYN 3.5-m telescope at Kitt Peak has completed its first full year of science operations and is reliably delivering sub-m/s precision radial velocity…

astro-ph.SR2022★ 11 cited

Detection of p-mode Oscillations in HD 35833 with NEID and TESS

Arvind F. Gupta, Jacob K. Luhn, Jason T. Wright +15

We report the results of observations of p-mode oscillations in the G0 subgiant star HD 35833 in both radial velocities and photometry with NEID and TESS, respectively. We achieve…

physics.optics2022★ 4 cited

Quantifying broadband chromatic drifts in Fabry-Perot resonators for exoplanet science

Molly Kate Kreider, Connor Fredrick, Scott A. Diddams +9

The possibility of an Earth-Sun analog beyond our solar system is one of the most longstanding questions in science. At present, answering this question embodies an extremely diffi…

astro-ph.EP2022★ 50 cited

TOI-5205 b: A Short-period Jovian Planet Transiting a Mid-M Dwarf

Shubham Kanodia, Suvrath Mahadevan, Jessica Libby-Roberts +27

We present the discovery of TOI-5205~b, a transiting Jovian planet orbiting a solar metallicity M4V star, which was discovered using Transiting Exoplanet Survey Satellite photometr…

astro-ph.IM2022

The final design of the iLocater spectrograph: An optimized architecture for diffraction-limited EPRV instruments

Jonathan Crass, David Aikens, Joaquin Mason +7

iLocater is a near-infrared, extremely precise radial velocity (EPRV) spectrograph under construction for the dual 8.4 m diameter Large Binocular Telescope (LBT). The instrument wi…

astro-ph.EP2022★ 14 cited

GJ 3929: High Precision Photometric and Doppler Characterization of an Exo-Venus and its Hot, Mini-Neptune-mass Companion

Corey Beard, Paul Robertson, Shubham Kanodia +31

We detail the follow up and characterization of a transiting exo-Venus identified by TESS, GJ 3929b, (TOI-2013b) and its non-transiting companion planet, GJ 3929c (TOI-2013c). GJ 3…

astro-ph.EP2022★ 8 cited

TOI-1696 and TOI-2136: Constraining the Masses of Two Mini-Neptunes with HPF

Corey Beard, Paul Robertson, Shubham Kanodia +29

We present the validation of two planets orbiting M dwarfs, TOI-1696b and TOI-2136b. Both planets are mini-Neptunes orbiting nearby stars, making them promising prospects for atmos…

astro-ph.EP2022★ 10 cited

A close-in puffy Neptune with hidden friends: The enigma of TOI 620

Michael A. Reefe, Rafael Luque, Eric Gaidos +82

We present the validation of a transiting low-density exoplanet orbiting the M2.5 dwarf TOI 620 discovered by the NASA TESS mission. We utilize photometric data from both TESS and…

astro-ph.EP2022

TOI-3757 b: A low density gas giant orbiting a solar-metallicity M dwarf

Shubham Kanodia, Jessica Libby-Roberts, Caleb I. Canas +32

We present the discovery of a new Jovian-sized planet, TOI-3757 b, the lowest density planet orbiting an M dwarf (M0V). It orbits a solar-metallicity M dwarf discovered using TESS…

astro-ph.EP2022★ 23 cited

NEID Rossiter-McLaughlin Measurement of TOI-1268b: A Young Warm Saturn Aligned with Its Cool Host Star

Jiayin Dong, Chelsea X. Huang, George Zhou +56

Close-in gas giants present a surprising range of stellar obliquity, the angle between a planet's orbital axis and its host star's spin axis. It is unclear whether the obliquities…

astro-ph.SR2022★ 20 cited

Rotational modulation of spectroscopic Zeeman signatures in low-mass stars

Ryan C. Terrien, Allison Keen, Katy Oda +24

Accurate tracers of the stellar magnetic field and rotation are cornerstones for the study of M dwarfs and for reliable detection and characterization of their exoplanetary compani…

astro-ph.SR2022★ 23 cited

An eccentric Brown Dwarf eclipsing an M dwarf

Caleb I. Cañas, Suvrath Mahadevan, Chad F. Bender +16

We report the discovery of a brown dwarf transiting the early M dwarf TOI-2119 on an eccentric orbit () at an orbital period of $7.2008…

astro-ph.EP2022★ 41 cited

TOI-3714 b and TOI-3629 b: Two gas giants transiting M dwarfs confirmed with HPF and NEID

Caleb I. Cañas, Shubham Kanodia, Chad F. Bender +36

We confirm the planetary nature of two gas giants discovered by TESS to transit M dwarfs. TOI-3714 () is an M2 dwarf hosting a hot Jupiter ($M_p=0.70 \pm 0.03~\ma…