Link to my all of my publications on ADS.

First Author and Highlighted Contributions

J. T. Warfield, K. A. McKinnon, S. T. Sohn, et al., The Proper Motion of Draco II with HST using multiple reference frames and methodologies, in prep., 2025.

J. T. Warfield, J. C. Zinn, J. Schonhut-Stasik, et al., The APO-K2 Catalog. II. Accurate Stellar Ages for Red Giant Branch Stars Across the Milky Way, AJ 167, 208, 2024.

J. Schonhut-Stasik, J. C. Zinn, K. G. Stassun, et al., The APO-K2 Catalog. I. 7,673 Red Giants with Fundamental Stellar Parameters from APOGEE DR17 Spectroscopy and K2-GAP Asteroseismology, AJ 167, 50, 2024.

J. T. Warfield, H. Richstein, N. Kallivayalil, et al., The JWST Resolved Stellar Populations Early Release Science Program. III. Photometric Star-Galaxy Separations for NIRCam, Res. Notes AAS, 7, 2, 2023.

J. T. Warfield, N. Kallivayalil, P. Zivick, et al., HubPUG: Proper Motions for Local Group Dwarfs observed with HST utilizing Gaia as a Reference Frame, MNRAS, 519, 1189, 2023.

J. T. Warfield, J. C. Zinn, M. H. Pinsonneault, J. A. Johnson, et al., An Intermediate-age Alpha-rich Galactic Population in K2, AJ 161, 100, 2021.

M. S. Haseman, P. Saadaktia, J. T. Warfield, J. Lawrence, A. Harnandez, G. E. Jellison, L.A. Boatner, and F. A. Selim, Optical and electrical properties of Sn-doped ZnO single crystals, Journal of Electronic Materials 47, 1497, 2018.

Highlighted Observing Programs

Moving Beyond the Milky Way: Enabling Cross-Observatory Proper Motion Determinations with HST and JWST; HST Cycle 31, ID #17473 & JWST Cycle 2, ID #4570; P.I.: J. T. Warfield.

Link to full list

Other Publications

C. T. Garling, N. Kallivayalil, K. B. W. McQuinn, et al., Measuring Resolved Star Formation Histories from High-precision Color–Magnitude Diagrams with StarFormationHistories.jl, ApJS 277, 61, 2025.

R. E. Cohen, K. B. W. McQuinn, A. Savino, et al., The JWST Resolved Stellar Populations Early Release Science Program. VIII. The Spatially Resolved Star Formation History of WLM, ApJ 981, 153, 2025.

A. Savino, M. Gennaro, A. E. Dolphin, et al., The JWST Resolved Stellar Populations Early Release Science Program. VII. Stress Testing the NIRCam Exposure Time Calculator, ApJ 970, 36, 2024.

M. L. Boyer, G. Pastorelli, L. Girardi, et al., The JWST Resolved Stellar Populations Early Release Science Program. VI. Identifying Evolved Stars in Nearby Galaxies, ApJ 973, 120, 2024.

H. Richstein, N. Kallivayalil, J. D. Simon, et al., Deep Hubble Space Telescope Photometry of LMC and Milky Way Ultra-Faint Dwarfs: A Careful Look into the Magnitude-Size Relation, ApJ 967, 72, 2024.

D. R. Weisz, A. E. Dolphin, A. Savino, et al., The JWST Resolved Stellar Populations Early Release Science Program. V. DOLPHOT Stellar Photometry for NIRCam and NIRISS, ApJ 271, 47, 2024.

K. McQuinn, M. Newman, A. Savino, et al., The JWST Resolved Stellar Populations Early Release Science Program. IV. The Star Formation History of the Local Group Galaxy WLM, ApJ 961, 16, 2024.

C. Jennings, A. Savino, D. Weisz, et al., The Hubble Space Telescope Survey of M31 Satellite Galaxies. III. Calibrating the Horizontal Branch as an Age Indicator for Nearby Galaxies, arXiv:2311.16397, Submitted to AJ, 2023.

J. J. Han, A. Dey, A. M. Price-Whelan, et al., NANCY: Next-generation All-sky Near-infrared Community surveY, arXiv:2306.11784, Roman Core Community Survey white paper, 2023.

D. Weisz, K. McQuinn, A. Savino, et al., The JWST Resolved Stellar Populations Early Release Science Program II. Survey Overview, ApJS 268, 5, 2023.

H. Richstein, E. Patel, N. Kallivayalil, et al., Structural parameters and possible association of the Ultra-Faint Dwarfs Pegasus III and Pisces II from deep Hubble Space Telescope photometry, ApJ, 933, 217, 2022.

Abdurro'uf, K. Accetta, C. Aerts, et al., The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar, and APOGEE-2 Data, ApJS 259, 35, 2022.

J. C. Zinn, D. Stello., Y. Elsworth, et al., The K2 Galactic Archaeology Program Data Release 3: Age-abundance patterns in C1-C8, C10-C18, ApJ 926, 191, 2022.

J. C. Zinn, D. Stello., Y. Elsworth, et al., The K2 Galactic Archaeology Program Data Release 2: Asteroseismic Results From Campaigns 4, 6, & 7, ApJS 251, 23, 2020.