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Guðmundur Kári Stefánsson
Guðmundur Kári Stefánsson
NASA Sagan Fellow, Princeton University
Подтвержден адрес электронной почты в домене princeton.edu - Главная страница
Название
Процитировано
Процитировано
Год
A comprehensive radial velocity error budget for next generation Doppler spectrometers
S Halverson, R Terrien, S Mahadevan, A Roy, C Bender, GK Stefánsson, ...
Ground-based and Airborne Instrumentation for Astronomy VI 9908, 2022-2041, 2016
1332016
Toward space-like photometric precision from the ground with beam-shaping diffusers
G Stefansson, S Mahadevan, L Hebb, J Wisniewski, J Huehnerhoff, ...
The Astrophysical Journal 848 (1), 9, 2017
1202017
A versatile technique to enable sub-milli-kelvin instrument stability for precise radial velocity measurements: tests with the habitable-zone planet finder
G Stefansson, F Hearty, P Robertson, S Mahadevan, T Anderson, E Levi, ...
The Astrophysical Journal 833 (2), 175, 2016
1002016
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 Finder
JP Ninan, G Stefansson, S Mahadevan, C Bender, P Robertson, ...
The Astrophysical Journal 894 (2), 97, 2020
902020
A Sub-Neptune-sized Planet Transiting the M2. 5 Dwarf G 9-40: Validation with the Habitable-zone Planet Finder
G Stefansson, C Cañas, J Wisniewski, P Robertson, S Mahadevan, ...
The Astronomical Journal 159 (3), 100, 2020
712020
The habitable zone planet finder reveals a high mass and low obliquity for the young neptune k2-25b
G Stefansson, S Mahadevan, M Maney, JP Ninan, P Robertson, ...
The Astronomical Journal 160 (4), 192, 2020
692020
Mass–Radius relationship for m dwarf exoplanets: Comparing nonparametric and parametric methods
S Kanodia, A Wolfgang, GK Stefansson, B Ning, S Mahadevan
The Astrophysical Journal 882 (1), 38, 2019
672019
The warm Neptune GJ 3470b has a polar orbit
G Stefànsson, S Mahadevan, C Petrovich, JN Winn, S Kanodia, ...
The Astrophysical Journal Letters 931 (2), L15, 2022
602022
On-sky commissioning of MAROON-X: a new precision radial velocity spectrograph for Gemini North
A Seifahrt, JL Bean, J Stürmer, D Kasper, L Gers, C Schwab, ...
Ground-based and Airborne Instrumentation for Astronomy VIII 11447, 305-325, 2020
572020
The Habitable-Zone Planet Finder: improved flux image generation algorithms for H2RG up-the-ramp data
JP Ninan, CF Bender, S Mahadevan, EB Ford, AJ Monson, KF Kaplan, ...
High Energy, Optical, and Infrared Detectors for Astronomy VIII 10709, 694-704, 2018
552018
The Habitable-zone Planet Finder: A status update on the development of a stabilized fiber-fed near-infrared spectrograph for the for the Hobby-Eberly telescope
S Mahadevan, LW Ramsey, R Terrien, S Halverson, A Roy, F Hearty, ...
Ground-based and airborne instrumentation for astronomy v 9147, 543-552, 2014
512014
A second planet transiting LTT 1445A and a determination of the masses of both worlds
JG Winters, R Cloutier, AA Medina, JM Irwin, D Charbonneau, ...
The Astronomical Journal 163 (4), 168, 2022
492022
Stellar activity manifesting at a one-year alias explains barnard b as a false positive
J Lubin, P Robertson, G Stefansson, J Ninan, S Mahadevan, M Endl, ...
The Astronomical Journal 162 (2), 61, 2021
442021
Overview of the spectrometer optical fiber feed for the habitable-zone planet finder
S Kanodia, S Mahadevan, LW Ramsey, GK Stefansson, AJ Monson, ...
Ground-based and Airborne Instrumentation for Astronomy VII 10702, 2057-2074, 2018
432018
A Warm Jupiter Transiting an M Dwarf: A TESS Single-transit Event Confirmed with the Habitable-zone Planet Finder
CI Cañas, G Stefansson, S Kanodia, S Mahadevan, WD Cochran, M Endl, ...
The Astronomical Journal 160 (3), 147, 2020
422020
Ultrastable environment control for the NEID spectrometer: design and performance demonstration
P Robertson, T Anderson, G Stefansson, FR Hearty, A Monson, ...
Journal of Astronomical Telescopes, Instruments, and Systems 5 (1), 015003 …, 2019
422019
TOI-5205b: A Short-period Jovian Planet Transiting a Mid-M Dwarf
S Kanodia, S Mahadevan, J Libby-Roberts, G Stefansson, CI Cañas, ...
The Astronomical Journal 165 (3), 120, 2023
402023
A Tendency Toward Alignment in Single-star Warm-Jupiter Systems
M Rice, S Wang, XY Wang, G Stefánsson, H Isaacson, AW Howard, ...
The Astronomical Journal 164 (3), 104, 2022
392022
A detailed analysis of the Gl 486 planetary system
JA Caballero, E González-Álvarez, M Brady, T Trifonov, TG Ellis, C Dorn, ...
Astronomy & Astrophysics 665, A120, 2022
372022
Observing the Sun as a star: design and early results from the NEID solar feed
ASJ Lin, A Monson, S Mahadevan, JP Ninan, S Halverson, C Nitroy, ...
The Astronomical Journal 163 (4), 184, 2022
362022
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