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Peter Frinchaboy

Peter Frinchaboy, Ph.D.

Professor and Director of Graduate Programs

817-257-6387 SWR 322

Program Affiliations

Davis CollegePhysics & Astronomy

Education

Ph.D. in Astronomy, University of Virginia
M.S. in Astronomy, University of Virginia
B.S. in Physics, California State University, Sacramento

Areas of Focus

Milky Way, Star clusters, Dwarf Galaxies, Chemical Abundances
Open Cluster Chemical Abundance & Mapping (OCCAM) survey
Binary INformation from Open Clusters Using SEDs (BINOCS) project

  • Otto, J. M., Frinchaboy, P. M., Myers, N. R., Johnson, J. W., Donor, J., Hossain, A., Mészáros, S., Wallace, H., Cunha, K., Bhattarai, B., et al. (2026). The Open Cluster Chemical Abundances and Mapping Survey. VIII. Galactic Chemical Gradient and Azimuthal Analysis from SDSS/MWM DR19. The Astronomical Journal, 171(2):91. https://iopscience.iop.org/article/10.3847/1538-3881/ae28d8
  • Wiggins, A. I., Quinn, J. R., Oeur, M., Loebman, S. R., Frinchaboy, P. M., Daniel, K. J., McCluskey, F., Otto, J. M., Woodward, H. R., D'Onghia, E., et al. (2025). Understanding the Origin and Dynamical Evolution of the Unique Open Star Cluster Berkeley 20 Using FIRE Simulations. The Astrophysical Journal Letters. https://iopscience.iop.org/article/10.3847/2041-8213/ae21bf
  • Sinha, A., Zasowski, G., Frinchaboy, P., Cunha, K., Souto, D., Tayar, J., and Stassun, K. (2024). A Comprehensive Study of Open Cluster Chemical Homogeneity Using APOGEE and Milky Way Mapper Abundances. The Astrophysical Journal, 975(1):89. https://iopscience.iop.org/article/10.3847/1538-4357/ad78e1
  • Sales-Silva, J. V., Cunha, K., Smith, V. V., Daflon, S., Souto, D., Guerço, R., Queiroz, A., Chiappini, C., Hayes, C. R., Masseron, T., et al. (2024). A Perspective on the Milky Way Bulge Bar as Seen from the Neutron-capture Elements Cerium and Neodymium with APOGEE. The Astrophysical Journal, 965(2):119. https://iopscience.iop.org/article/10.3847/1538-4357/ad28c2
  • Schiavon, R. P., Phillips, S. G., Myers, N., Horta, D., Minniti, D., Allende Prieto, C., Anguiano, B., Beaton, R. L., Beers, T. C., Brownstein, J. R., et al. (2024). The APOGEE value-added catalogue of Galactic globular cluster stars. Monthly Notices of the Royal Astronomical Society, 528(2):1393-1407. https://academic.oup.com/mnras/article/528/2/1393/7296142
  • Loaiza-Tacuri, V., Cunha, K., Souto, D., Smith, V. V., Guerço, R., Chiappini, C., Sales-Silva, J. V., Horta, D., Allende Prieto, C., Beaton, R., et al. (2023). Chemical abundances of the young inner-disc open cluster NGC 6705 observed by APOGEE: sodium-rich and not α-enhanced. Monthly Notices of the Royal Astronomical Society, 526(2):2378-2393. https://academic.oup.com/mnras/article/526/2/2378/7280764
  • McCormick, C., Majewski, S. R., Smith, V. V., Hayes, C. R., Cunha, K., Masseron, T., Weiss, A., Shetrone, M., Almeida, A., Frinchaboy, P. M., et al. (2023). An investigation of non-canonical mixing in red giant stars using APOGEE 12C/13C ratios observed in open cluster stars. Monthly Notices of the Royal Astronomical Society, 524(3):4418-4430. https://academic.oup.com/mnras/article/524/3/4418/7227926
  • Spoo, T., Tayar, J., Frinchaboy, P. M., Cunha, K., Myers, N., Donor, J., Majewski, S. R., Bizyaev, D., García-Hernández, D. A., and Jönsson, H. (2022). The Open Cluster Chemical Abundances and Mapping Survey. VII. APOGEE DR17 [C/N]-Age Calibration. The Astronomical Journal, 163(5):229. https://iopscience.iop.org/article/10.3847/1538-3881/ac5d53
  • Ray, A. E., Frinchaboy, P. M., Donor, J., Chojnowski, S. D., and Melendez, M. (2022). The Open Cluster Chemical Abundances and Mapping Survey. V. Chemical Abundances of CTIO/Hydra Clusters Using The Cannon. The Astronomical Journal, 163(5):195. https://iopscience.iop.org/article/10.3847/1538-3881/ac5835
  • Santana, F. A. (2021). Final Targeting Strategy for the SDSS-IV APOGEE-2S Survey. The Astronomical Journal, 162(6). https://doi.org/10.3847/1538-3881/ac2cbc
  • Beaton, R. L. (2021). Final Targeting Strategy for the Sloan Digital Sky Survey IV Apache Point Observatory Galactic Evolution Experiment 2 North Survey. The Astronomical Journal, 162(6). https://doi.org/10.3847/1538-3881/ac260c
  • Kounkel, M. (2021). Double-lined Spectroscopic Binaries in the APOGEE DR16 and DR17 Data. The Astronomical Journal, 162(5). https://doi.org/10.3847/1538-3881/ac1798
  • Alam, S. (2021). Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological implications from two decades of spectroscopic surveys at the Apache Point Observatory. Physical Review D, 103(8). https://doi.org/10.1103/PhysRevD.103.083533
  • Thompson, B. A., Frinchaboy, P. M., Spoo, T., and Donor, J. (2021). The Binary INformation from Open Clusters Using SEDs (BINOCS) Project: Reliable Photometric Mass Determinations of Binary Star Systems in Clusters. The Astronomical Journal, 161(4). https://doi.org/10.3847/1538-3881/abde4c
  • Mazzola, C. N. (2020). The close binary fraction as a function of stellar parameters in APOGEE: a strong anticorrelation with α abundances. Monthly Notices of the Royal Astronomical Society, 499(2):1607-1626. https://doi.org/10.1093/mnras/staa2859
  • Cheng, X. (2020). Exploring the Galactic Warp through Asymmetries in the Kinematics of the Galactic Disk. The Astrophysical Journal, 905(1). https://doi.org/10.3847/1538-4357/abc3c2
  • Poovelil, V. J. (2020). Open Cluster Chemical Homogeneity throughout the Milky Way. The Astrophysical Journal, 903(1). https://doi.org/10.3847/1538-4357/abb93e
  • Price-Jones, N. (2020). Strong chemical tagging with APOGEE: 21 candidate star clusters that have dissolved across the Milky Way disc. Monthly Notices of the Royal Astronomical Society, 496(4):5101-5115. https://doi.org/10.1093/mnras/staa1905
  • Ahumada, R. (2020). The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra. The Astrophysical Journal Supplement Series, 249(1). https://doi.org/10.3847/1538-4365/ab929e
  • Queiroz, A. B. A. (2020). From the bulge to the outer disc: StarHorse stellar parameters, distances, and extinctions for stars in APOGEE DR16 and other spectroscopic surveys. Astronomy and Astrophysics, 638. https://doi.org/10.1051/0004-6361/201937364
  • Price-Whelan, A. M. (2020). Close Binary Companions to APOGEE DR16 Stars: 20,000 Binary-star Systems Across the Color-Magnitude Diagram. The Astrophysical Journal, 895(1). https://doi.org/10.3847/1538-4357/ab8acc
  • Sun, J., Barger, K. A., Frinchaboy, P. M., and Pan, K. (2020). Environmental Influences on Star Formation in Low-mass Galaxies Observed by the SDSS-IV/MaNGA Survey. The Astrophysical Journal, 894(1). https://doi.org/10.3847/1538-4357/ab6dee
  • Donor, J. (2020). The Open Cluster Chemical Abundances and Mapping Survey. IV. Abundances for 128 Open Clusters Using SDSS/APOGEE DR16. The Astronomical Journal, 159(5). https://doi.org/10.3847/1538-3881/ab77bc
  • Horta, D. (2020). The chemical compositions of accreted and in situ galactic globular clusters according to SDSS/APOGEE. Monthly Notices of the Royal Astronomical Society, 493(3):3363-3378. https://doi.org/10.1093/mnras/staa478
  • Mészáros, S. (2020). Homogeneous analysis of globular clusters from the APOGEE survey with the BACCHUS code - II. The Southern clusters and overview. Monthly Notices of the Royal Astronomical Society, 492(2):1641-1670. https://doi.org/10.1093/mnras/stz3496
  • Hayes, C. R. (2020). Metallicity and α-Element Abundance Gradients along the Sagittarius Stream as Seen by APOGEE. The Astrophysical Journal, 889(1). https://doi.org/10.3847/1538-4357/ab62ad
  • International Astronomical Union
  • American Astronomical Society
  • Sloan Digital Sky Survey III
  • Sloan Digital Sky Survey IV
  • SDSS-IV Survey Coordinator
  • TCU REU Program Director
  • TCU Graduate Director
  • AAS Agent
http://personal.tcu.edu/pfrinchaboy/

Last Updated: August 07, 2026

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