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Eric Mamajek

Photo of Eric Mamajek


4800 Oak Grove Drive
M/S 321-100

Pasadena, CA 91109


(818) 354-2153


(818) 393-4950

Curriculum Vitae:

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Member of:

Astrophysics & Space Sciences

Deputy Program Scientist Exoplanet Exploration Program


  • PhD., Astronomy, The University of Arizona (2004)
  • M.S., Astronomy, The University of Arizona (2001)
  • M.Sc., Physics, The University of New South Wales (2000)
  • B.S., Astronomy & Astrophysics, Physics, The Pennsylvania State University (1998)

Professional Experience

  • Jet Propulsion Laboratory - Astrophysics & Space Sciences Section
    • Principal Scientist (2022)
    • Discipline Program Manager Exoplanets, Astrophysics and Heliophysics Research & Analysis Program, Astronomy & Physics Directorate (2020-Present)
    • Deputy Chief Scientist NASA Exoplanet Exploration Program (2016-present)
  • University of Rochester (2008-2016)
    • Visiting Professor (2016)
    • Professor (2016)
    • Associate Professor (2013-2016)
    • Assistant Professor (2008-2013)
  • Cerro Tololo Inter-American Observatory (CTIO), National Optical Astronomy Observatory (NOAO)
    • Associate Astronomer, Blanco Telescope Scientist (2011-2012)
  • Harvard-Smithsonian Center for Astrophysics
    • Clay Postdoctoral Fellow (2004-2008)

Community Service

  • 2019-2020 Co-chair, Steering Committee, IAU100 NameExoWorlds campaign
  • 2018- Organizing Committee, IAU Commission F2 Exoplanets and the Solar System
  • 2016- Chair, IAU Working Group Star Names (WGSN)

Research Interests

Formation and Evolution of Exoplanetary Systems: Planets, Substellar Objects, Stars, Circumstellar and Circumplanetary Disks Stellar Ages, Kinematics, Rotation, Magnetic Activity, Groups

Selected Awards

  • 2020 NASA Team Award
  • 2019 Robert H. Goddard Honor Award
  • 2019 NASA Group Achievement Award

Selected Publications

Full Bibliography

  1. David, T.J., et al., "Four Newborn Planets Transiting the Young Solar Analog V1298 Tau", ApJ Letters, 885, L12, 10.3847/2041-8213/ab4c99 (2019)
  2. Gagné, J., et al., "BANYAN. XI. The BANYAN Σ Multivariate Bayesian Algorithm to Identify Members of Young Associations with 150 pc", ApJ, 846, 23, 10.3847/1538-4357/aaae09 (2018)
  3. Burgasser, A.J. & Mamajek, E.E., "On the Age of the TRAPPIST-1 System", ApJ, 845, 110, 10.3847/1538-4357/aa7fea (2017)
  4. Pecaut, Mark J., Mamajek, Eric E., "The star formation history and accretion-disc fraction among the K-type members of the Scorpius-Centaurus OB association", MNRAS, 461, 794,
    doi:10.1093/mnras/stw1300 (2016).
  5. Prša, A., et al., "Nominal Values for Selected Solar and Planetary Quantities: IAU 2015 Resolution B3", AJ, 152, 41, doi:10.3847/0004-6256/152/2/41 (2016).
  6. Gagné, J., et al., "A High-precision Near-infrared Survey for Radial Velocity Variable Low-mass Stars Using CSHELL and a Methane Gas Cell", ApJ, 822, 40, doi:10.3847/0004-637X/822/1/40 (2016).
  7. Burgasser, A.J., et al., "The First Brown Dwarf/Planetary-mass Object in the 32 Orionis Group", ApJ, 820, 32, doi:10.3847/0004-637X/820/1/32.
  8. Mamajek, E. E., et al., "The Closest Known Flyby of a Star to the Solar System", Astrophysical Journal Letters, 800, L17, doi:10.1088/2041-8205/800/1/L17 (2015).
  9. Kenworthy, M. A., Mamajek, E. E., "Modeling Giant Extrasolar Ring Systems in Eclipse and the Case of J1407b: Sculpting by Exomoons?", ApJ, 800, 126, doi:10.1088/0004-637X/800/2/126 (2015).
  10. Bell, C.P.M., Mamajek, E.E., Naylor, T., "A self-consistent, absolute isochronal age scale for young moving groups in the solar neighbourhood", MNRAS, 454, 593, doi:10.1093/mnras/stv1981 (2015).
  11. Meshkat, T., et al., "Searching for gas giant planets on Solar system scales - a NACO/APP L'-band survey of A- and F-type main-sequence stars", MNRAS, 453, 2533, doi:10.1093/mnras/stv1779 (2015).
  12. Meshkat, T., et al., "Searching for Planets in Holey Debris Disks with the Apodizing Phase Plate", ApJ, 800, 5, doi:10.1088/0004-637X/800/1/5 (2015).
  13. Olmedo, M., et al., "Deep GALEX UV Survey of the Kepler Field. I. Point Source Catalog", ApJ, 813, 100, doi:10.1088/0004-637X/813/2/100 (2015)
  14. Rodigas, T.J., et al., "Direct Exoplanet Detection with Binary Differential Imaging", ApJ, 811, 157, doi:10.1088/0004-637X/811/2/157 (2015).
  15. Mamajek, E.E., Bell, C.P.M., "On the age of the β Pictoris moving group", MNRAS, 445, 2169, doi:10.1093/mnras/stu1894 (2014).
  16. Mamajek, E.E., et al., "Planetary Construction Zones in Occultation: Discovery of an Extrasolar Ring System Transiting a Young Sun-like Star and Future Prospects for Detecting Eclipses by Circumsecondary and Circumplanetary Disks", AJ, 143, 72, doi:10.1088/0004-6256/143/3/72 (2012).
  17. The Ages of Stars, Proceedings of International Astronomical Union Symposium No. 258 edited by E. E. Mamajek, D. R. Soderblom, & R. F. G. Wyse. Cambridge, UK: Cambridge University Press, 2009 (490 pgs.; ISBN-13 978-0521889896).