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Lucas Macri Headshot
TAMU College Station
Faculty: Adjunct Faculty

Lucas Macri

(he / him / his)


Lucas Macri works on the Extragalactic Distance Scale, studies of electromagnetic counterparts to gravitational-wave sources, and large-scale galaxy flows. The main focus of his research is on Mira and Cepheid variables, which he studies using the Hubble Space Telescope and many ground-based observatories. One of the goals of his research is to measure a more precise value of the Hubble constant, to better constrain the equation of state of dark energy and test the current cosmological model.

Selected Publications

Adam G. Riess, Wenlong Yuan, Lucas M. Macri, Dan Scolnic, Dillon Brout, Stefano Casertano, David O. Jones, Yukei Murakami, Gagandeep S. Anand, Louise Breuval, Thomas G. Brink, Alexei V. Filippenko, Samantha Hoffmann, Saurabh W. Jha, W. D'arcy Kenworthy, John Mackenty, Benjamin E. Stahl, and WeiKang Zheng. “A Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km/s/Mpc Uncertainty from the Hubble Space Telescope and the SH0ES Team.” The Astrophysical Journal Letters, 934(1), L7, Jul 2022.

Tarini Konchady, Ryan J. Oelkers, David O. Jones, Wenlong Yuan, Lucas M. Macri, Erik R. Peterson, and Adam G. Riess. “H-band Light Curves of Milky Way Cepheids via Difference Imaging.” The Astrophysical Journal Supplement Series, 258(2), 24, Jan 2022.

Adam G. Riess, Stefano Casertano, Wenlong Yuan, J. Bradley Bowers, Lucas Macri, Joel C. Zinn, and Dan Scolnic. “Cosmic Distances Calibrated to 1% Precision with Gaia EDR3 Parallaxes and Hubble Space Telescope Photometry of 75 Milky Way Cepheids Confirm Tension with \({\Lambda}\)CDM.” The Astrophysical Journal Letters, 908(1), L6, Feb 2021.

Awards & Recognition

  • Distinguished Achievement in Teaching - College Level (2014)
  • Mitchell-Heep-Munnerlyn Endowed Career Enhancement Professorship in Physics or Astronomy (2010)

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