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Zachary Hartman
Zachary Hartman
Gemini North Observatory, NSF's NOIRLab
Verified email at noirlab.edu
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Year
The SUPERWIDE Catalog: A Catalog of 99,203 Wide Binaries Found in Gaia and Supplemented by the SUPERBLINK High Proper Motion Catalog
ZD Hartman, S Lépine
The Astrophysical Journal Supplement Series 247 (2), 66, 2020
672020
Speckle Observations of TESS Exoplanet Host Stars. II. Stellar Companions at 1–1000 au and Implications for Small Planet Detection
KV Lester, RA Matson, SB Howell, E Furlan, CL Gnilka, NJ Scott, ...
The Astronomical Journal 162 (2), 75, 2021
532021
The young HD 73583 (TOI-560) planetary system: two 10-M mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf
O Barragán, DJ Armstrong, D Gandolfi, I Carleo, AA Vidotto, ...
Monthly Notices of the Royal Astronomical Society 514 (2), 1606-1627, 2022
432022
The two rings of (50000) Quaoar
CL Pereira, B Sicardy, BE Morgado, F Braga-Ribas, ...
Astronomy & Astrophysics 673, L4, 2023
162023
Direct Measurements of Giant Star Effective Temperatures and Linear Radii: Calibration against Spectral Types and V− K Color
GT van Belle, K von Braun, DR Ciardi, G Pilyavsky, RS Buckingham, ...
The Astrophysical Journal 922 (2), 163, 2021
132021
Bayesian Cross-matching of High Proper-motion Stars in Gaia DR2 and Photometric Metallicities for∼ 1.7 million K and M Dwarfs
I Medan, S Lépine, Z Hartman
The Astronomical Journal 161 (5), 234, 2021
112021
Probing the early Milky Way with GHOST spectra of an extremely metal-poor star in the Galactic disc
A Dovgal, KA Venn, F Sestito, CR Hayes, AW McConnachie, JF Navarro, ...
Monthly Notices of the Royal Astronomical Society 527 (3), 7810-7824, 2024
72024
SPLUS J142445. 34–254247.1: An r-process–enhanced, Actinide-boost, Extremely Metal-poor Star Observed with GHOST
VM Placco, F Almeida-Fernandes, EM Holmbeck, IU Roederer, ...
The Astrophysical Journal 959 (1), 60, 2023
52023
TOI 560: Two Transiting Planets Orbiting a K Dwarf Validated with iSHELL, PFS, and HIRES RVs
M El Mufti, PP Plavchan, H Isaacson, BL Cale, DL Feliz, MA Reefe, ...
The Astronomical Journal 165 (1), 10, 2022
52022
Vetting the “Lobster” Diagram: Searching for Unseen Companions in Wide Binaries Using NASA Space Exoplanet Missions
ZD Hartman, S Lépine, I Medan
The Astrophysical Journal 934 (1), 72, 2022
42022
The optomechanical design of the Quad-camera Wavefront-sensing Six-channel Speckle Interferometer (QWSSI)
CA Clark, GT Van Belle, EP Horch, DE Trilling, ZD Hartman, M Collins, ...
Optical and Infrared Interferometry and Imaging VII 11446, 540-548, 2020
22020
The POKEMON Speckle Survey of Nearby M Dwarfs. II. Observations of 1125 Targets
CA Clark, GT van Belle, EP Horch, MB Lund, DR Ciardi, K von Braun, ...
The Astronomical Journal 167 (2), 56, 2024
12024
A Tale of Nearly 100,000 Wide Binaries as Told by a Lobster, Two Spacecraft and Some Speckles
Z Hartman, S Lepine, G van Belle
American Astronomical Society Meeting Abstracts 53 (1), 438.03 D, 2021
12021
HST/FGS Trigonometric Parallaxes of M-dwarf Eclipsing Binaries
GT van Belle, GH Schaefer, K von Braun, EP Nelan, Z Hartman, ...
Publications of the Astronomical Society of the Pacific 132 (1011), 054201, 2020
12020
GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2. 5 Dwarf Star at 15.2 pc
E Tey, A Shporer, Z Lin, KG Stassun, JJ Lissauer, C Hellier, KA Collins, ...
The Astronomical Journal 167 (6), 283, 2024
2024
Detecting New Visual Binaries in Gaia DR3 with Gaia and Two Micron All Sky Survey (2MASS) Photometry. II. Speckle Observations of 16 Low-separation Systems
I Medan, S Lépine, Z Hartman, KG Stassun
The Astronomical Journal 167 (6), 252, 2024
2024
Limits on Optical Counterparts to the Repeating Fast Radio Burst 20180916B from High-speed Imaging with Gemini-North/‘Alopeke
CD Kilpatrick, N Tejos, BC Andersen, JX Prochaska, C Núñez, E Fonseca, ...
The Astrophysical Journal 964 (2), 121, 2024
2024
The two rings of (50000) Quaoar (vol 673, L4, 2023)
CL Pereira, B Sicardy, BE Morgado, F Braga-Ribas, ...
ASTRONOMY & ASTROPHYSICS 683, 2024
2024
The two rings of (50000) Quaoar (Corrigendum)
CL Pereira, B Sicardy, BE Morgado, F Braga-Ribas, ...
Astronomy & Astrophysics 683, C4, 2024
2024
Serendipitous Binaries: Detecting and Modeling Low-Mass Halo Binaries in Archival HST Data
M Sloneker, S Lepine, B Kim, Z Hartman, C Hernandez, S Mason, R Rich
American Astronomical Society Meeting Abstracts 56 (2), 447.04, 2024
2024
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