FH
Fred Hearty
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.GAastro-ph.COastro-phExoplanet detection methods (489)Fabry-Perot interferometers (524)Near infrared astronomy (1093)Radial velocity (1332)
On Valency
published · living versionsW_8epvx92t·v1 · currentpublished
A Headwind-like Helium Outflow from TOI-3884b
with Joe P. Ninan, Jessica Libby-Roberts, Suvrath Mahadevan, Oleg Kochukhov +17
1 version
W_tct389yc·v1published
W_hvw2p5b2·v1published
W_8ctawbxj·v1published
W_xhxevuuw·v1published
Preprints & journals
72 papers in the corpus · 2006–2025Time-resolved p-mode oscillations for subgiant HD 142091 with NEID at WIYN2506.18989v1 · Jacob K. Luhn, Paul Robertson, Samuel Halverson et al.2025 · 1 citationarXiv
Searching for GEMS: TOI-5688 A b, a low-density giant orbiting a high-metallicity early M-dwarf2409.01371v3 · Varghese Reji, Shubham Kanodia, Joe Ninan et al.2024 · 7 citationsarXiv
Quiet Please: Detrending Radial Velocity Variations from Stellar Activity with a Physically Motivated Spot Model2408.07121v1 · Jared C. Siegel, Samuel Halverson, Jacob K. Luhn et al.2024 · 7 citationsarXiv
A Neptune-mass exoplanet in close orbit around a very low-mass star challenges formation models.38033084 · Stefánsson, Guðmundur, Mahadevan, Suvrath, Miguel, Yamila et al.2023 · 31 citationsScience (New York, N.Y.). 2023;382(6674):1031-1035
TOI-5344 b: A Saturn-like planet orbiting a super-Solar metallicity M0 dwarf2310.20634v2 · Te Han, Paul Robertson, Shubham Kanodia et al.2023 · 13 citationsAJ 167 4 (2024)
TOI-2015b: A Warm Neptune with Transit Timing Variations Orbiting an Active mid M Dwarf2310.11775v2 · Sinclaire E. Jones, Gudmundur Stefansson, Kento Masuda et al.2023 · 0 citationsarXiv
Stable fiber-illumination for extremely precise radial velocities with NEID2307.12403v2 · Shubham Kanodia, Andrea S. J. Lin, Emily Lubar et al.2023 · 18 citationsarXiv
TOI-5375 B: A Very Low Mass Star at the Hydrogen-Burning Limit Orbiting an Early M-type Star2303.16193v1 · Mika Lambert, Chad F. Bender, Shubham Kanodia et al.2023 · 7 citationsarXiv
An extreme test case for planet formation: a close-in Neptune orbiting an ultracool star2303.13321v1 · Gudmundur Stefansson, Suvrath Mahadevan, Yamila Miguel et al.2023 · 1 citationarXiv
Characterization of low-mass companions to objects of interest observed with APOGEE-N2302.07713v1 · Caleb I. Canas, Chad F. Bender, Suvrath Mahadevan et al.2023 · 3 citationsApJS (2023), 265, 50
Detection of p-mode Oscillations in HD 35833 with NEID and TESS2210.00544v1 · Arvind F. Gupta, Jacob K. Luhn, Jason T. Wright et al.2022 · 10 citationsarXiv
The iLocater cryostat and thermal control system: enabling extremely precise radial velocity measurements for diffraction-limited spectrographs2209.00028v1 · Jonathan Crass, Nandini Sadagopan, Matthew Misch et al.2022 · 1 citationarXiv
TOI-1696 and TOI-2136: Constraining the Masses of Two Mini-Neptunes with HPF2204.09063v1 · Corey Beard, Paul Robertson, Shubham Kanodia et al.2022 · 8 citationsarXiv
A close-in puffy Neptune with hidden friends: The enigma of TOI 6202204.03108v1 · Michael A. Reefe, Rafael Luque, Eric Gaidos et al.2022 · 11 citationsAJ, 163(6), 269 (2022)
TOI-3757 b: A low density gas giant orbiting a solar-metallicity M dwarf2203.07178v3 · Shubham Kanodia, Jessica Libby-Roberts, Caleb I. Canas et al.2022 · 33 citationsThe Astronomical Journal, Volume 164, Number 3 (2022 AJ 164 81)
Rotational modulation of spectroscopic Zeeman signatures in low-mass stars2201.11288v1 · Ryan C. Terrien, Allison Keen, Katy Oda et al.2022 · 22 citationsarXiv
Observing the Sun as a star: Design and early results from the NEID solar feed2112.05711v2 · Andrea S.J. Lin, Andrew Monson, Suvrath Mahadevan et al.2021 · 41 citationsarXiv
A hot Mars-sized exoplanet transiting an M dwarf2112.03958v1 · Caleb I. Canas, Suvrath Mahadevan, William D. Cochran et al.2021 · 10 citationsAJ, 163, 3 (2022)
An eccentric Brown Dwarf eclipsing an M dwarf2112.03959v2 · Caleb I. Canas, Suvrath Mahadevan, Chad F. Bender et al.2021 · 23 citationsAJ, 163, 89 (2022)
Gaia 20eae: A newly discovered episodically accreting young star2112.01717v1 · Arpan Ghosh, Saurabh Sharma, Joe. P. Ninan et al.2021 · 17 citationsarXiv
The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data2112.02026v2 · Abdurro'uf, Katherine Accetta, Conny Aerts et al.2021 · 1,291 citationsarXiv
High resolution near-infrared spectroscopy of a flare around the ultracool dwarf vB 102111.14647v1 · Shubham Kanodia, Lawrence W. Ramsey, Marissa Maney et al.2021 · 15 citationsThe Astrophysical Journal, Volume 925, Number 2, 2022
The Warm Neptune GJ 3470b has a Polar Orbit2111.01295v2 · Gudmundur Stefansson, Suvrath Mahadevan, Cristobal Petrovich et al.2021 · 84 citationsarXiv
The Aligned Orbit of WASP-148b, the Only Known Hot Jupiter with a Nearby Warm Jupiter Companion, from NEID and HIRES2110.08832v4 · Xian-Yu Wang, Malena Rice, Songhu Wang et al.2021 · 40 citationsarXiv
Extreme Precision Radial Velocity Working Group Final Report2107.14291v1 · Jonathan Crass, B. Scott Gaudi, Stephanie Leifer et al.2021 · 28 citationsarXiv
TOI-532b: The Habitable-zone Planet Finder confirms a Large Super Neptune in the Neptune Desert orbiting a metal-rich M dwarf host2107.13670v2 · Shubham Kanodia, Gudmundur Stefansson, Caleb I. Canas et al.2021 · 25 citationsAstronomical Journal, 162, 135, 2021
Non-detection of Helium in the upper atmospheres of TRAPPIST-1b, e and f2106.11444v1 · Vigneshwaran Krishnamurthy, Teruyuki Hirano, Gu\dhmundur Stef'ansson et al.2021 · 28 citationsarXiv
Broadband Stability of the Habitable Zone Planet Finder Fabry-Pérot Etalon Calibration System: Evidence for Chromatic Variation.38505866 · Terrien, Ryan C, Ninan, Joe P, Diddams, Scott A et al.2025 · 22 citationsThe Astronomical journal. 2021;161(6)
The Habitable-zone Planet Finder Detects a Terrestrial-mass Planet Candidate Closely Orbiting Gliese 1151: The Likely Source of Coherent Low-frequency Radio Emission from an Inactive Star2102.02233v1 · Suvrath Mahadevan, Gu\dhmundur Stef'ansson, Paul Robertson et al.2021 · 21 citationsarXiv
A warm Jupiter transiting an M dwarf: A TESS single transit event confirmed with the Habitable-zone Planet Finder2007.07098v2 · Caleb I. Canas, Gudmundur Stefansson, Shubham Kanodia et al.2020 · 40 citationsarXiv
A Mini-Neptune and a Venus-Zone Planet in the Radius Valley Orbiting the Nearby M2-dwarf TOI-1266: Validation with the Habitable-zone Planet Finder2006.11180v1 · Gudmundur Stefansson, Ravi Kopparapu, Andrea Lin et al.2020 · 3 citationsarXiv
Homogeneous Analysis of Globular Clusters from the APOGEE Survey with the BACCHUS Code. II. The Southern Clusters and Overview1912.04839v4 · Szabolcs M'esz'aros, Thomas Masseron, D. A. Garc'ia-Hern'andez et al.2019 · 158 citationsarXiv
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra1912.02905v2 · Romina Ahumada, Carlos Allende Prieto, Andres Almeida et al.2019 · 1,414 citationsarXivon Valency
Evidence for He I 10830 Å~ absorption during the transit of a warm Neptune around the M-dwarf GJ 3470 with the Habitable-zone Planet Finder1910.02070v2 · Joe P. Ninan, Gudmundur Stefansson, Suvrath Mahadevan et al.2019 · 82 citationsarXiv
Improving the Thermal Stability of a CCD Through Clocking1909.10438v1 · Cullen H. Blake, Dan Li, Joseph R. Tufts et al.2019 · 0 citationsarXiv
Ultra-Stable Environment Control for the NEID Spectrometer: Design and Performance Demonstration1902.07729v1 · Paul Robertson, Tyler Anderson, Gudmundur Stefansson et al.2019 · 1 citationarXiv
Kepler-730: A hot Jupiter system with a close-in, transiting, Earth-sized planet1812.08358v2 · Caleb I. Canas, Songhu Wang, Suvrath Mahadevan et al.2018 · 61 citationsarXiv
The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library1812.02759v2 · D. S. Aguado, Romina Ahumada, Andres Almeida et al.2018 · 396 citationsarXiv
The Second APOKASC Catalog: The Empirical Approach1804.09983v1 · Marc H. Pinsonneault, Yvonne P. Elsworth, Jamie Tayar et al.2018 · 303 citationsarXiv
Age-resolved chemistry of red giants in the solar neighbourhood1803.06352v1 · Diane K. Feuillet, Jo Bovy, Jon Holtzman et al.2018 · 86 citationsarXiv
The First APOKASC Catalog of Kepler Dwarf and Subgiant Stars1710.06858v3 · Aldo Serenelli, Jennifer Johnson, Daniel Huber et al.2017 · 154 citationsarXiv
Baade's window with APOGEE: Metallicities, ages and chemical abundances1702.01547v1 · M. Schultheis, A. Rojas-Arriagada, A. E. Garc'ia P'erez et al.2017 · 85 citationsA&A 600, A14 (2017)
The iLocater cryostat: design and thermal control strategy for precision radial velocity measurements1609.04411v1 · Jonathan Crass, Louis G. Fantano, Frederick R. Hearty et al.2016 · 3 citationsProc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 990873 (9 August 2016)
The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory1608.02013v2 · Franco D. Albareti, Carlos Allende Prieto, Andres Almeida et al.2016 · 514 citationsarXiv
Chemical tagging with APOGEE: Discovery of a large population of N-rich stars in the inner Galaxy1606.05651v1 · Ricardo P. Schiavon, Olga Zamora, Ricardo Carrera et al.2016 · 205 citationsarXiv
Cosmic variance in [O/Fe] in the Galactic disk1603.05491v2 · S. Bertran de Lis, C. Allende Prieto, S. R. Majewski et al.2016 · 35 citationsA&A 590, A74 (2016)
Companions to APOGEE Stars I: A Milky Way-Spanning Catalog of Stellar and Substellar Companion Candidates and their Diverse Hosts1601.00688v2 · Nicholas W. Troup, David L. Nidever, Nathan De Lee et al.2016 · 62 citations2016, The Astronomical Journal, 151, 85
ASPCAP: The Apogee Stellar Parameter and Chemical Abundances Pipeline1510.07635v1 · Ana E. Garc'ia P'erez, Carlos Allende Prieto, Jon A. Holtzman et al.2015 · 738 citationsarXiv
The Apache Point Observatory Galactic Evolution Experiment (APOGEE)1509.05420v1 · Steven R. Majewski, Ricardo P. Schiavon, Peter M. Frinchaboy et al.2015 · 1,829 citationsarXivon Valency
An efficient, compact, and versatile fiber double scrambler for high precision radial velocity instruments1505.07463v1 · Samuel Halverson, Arpita Roy, Suvrath Mahadevan et al.2015 · 48 citationsarXiv
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