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Amanda Rosendall Truitt

Amanda Truitt

Phone (505) 664-0035


  • Nuclear and Particle Physics, Astrophysics, and Cosmology
  • Astrophysics
  • Stellar astrophysics
  • Stellar structure
  • Stellar evolution including stellar pulsations
  • Stellar winds
  • Nucleosynthesis in stars
  • Writing & Editing
  • Technical writing
  • Proofreading
  • Document design, formatting, and layout
  • Teaching (grammar, clear writing, proposals, etc.)



  • TYCHO, model stellar evolution based on specific chemical composition
  • Habitable zones: statistical analysis on habitability potential of exoplanets
  • Updated mass loss and x-ray luminosity calculations in TYCHO

Planetary Geology

  • Asteroid impact mitigation scenarios, crater modeling using xRAGE
  • Study momentum enhancement factor, beta
  • Parameter studies on impactor size, shape, and resolution


  • Fortran
  • IDL
  • Python
  • Ensight


Ph.D. in Astrophysics, Arizona State University, August 2017

B.Sc. in Astrophysics, University of Oklahoma, December 2011


LANL Positions

Postdoctoral Research Associate, XTD-IDA, 08-21-2017 to present


Professional Societies

Member of the American Astronomical Society



National Merit Scholar (2007-2011)



A. Truitt, P.A. Young, A. Spacek, L. Probst, J. Dietrich (2015) "A Catalog of Stellar Evolution Profiles and the Effects of Variable Composition on Habitable Systems." ApJ, 804, 145

A. Truitt and P.A. Young (2017) "Expanding the Catalog: Considering Carbon, Magnesium, and Other Elements of Importance in the Evolution of Stars and Habitable Zones." ApJ, 835, 87

A. Truitt and P.A. Young (In Prep) “Expanding the Catalog II: Considering the Role of Stellar Activity in the Evolution of Stars and Habitable Zones, and a New Grid of Low Mass Stars.”

A. Truitt, P.A. Young, and S.I. Walker (In Prep) “Expanding the Catalog III: A Statistical Consideration of the Habitable Zone”

A. Truitt (In Prep) "A Study on the Continuous Habitability of "Life Supporting Zones" Based on TYCHO Stellar Evolution Models

M.D. Pagano, A. Truitt, P.A. Young, S.-H. Shim (2015) "Elemental Abundances of Tau Ceti and Possible Effects on Habitability and Terrestrial Planets." ApJ, 803, 90

S.J. Desch, P.A. Young, A.D. Anbar, N.R. Hinkel, M.D. Pagano, A. Truitt, M. Turnbull (2014) "Report on a NASA Astrobiology Institute-Funded Workshop Without Walls: Stellar Stoichiometry." Astrobiology, 14(4): 271-6

P.A. Young, S.J. Desch, A.D. Anbar, R. Barnes, N.R. Hinkel, R. Kopparapu, N. Madhusudhan, N. Monga, M.D. Pagano, M.A.Riner, E. Scannapieco, S.-H. Shim, A. Truitt (2014) "Astrobiological Stoichiometry." Astrobiology, 14(7): 603-626

S.J. Desch, N. Smith, C. Groppi, P. Vargas, R. Jackson, A. Kalyaan, P. Nguyen, L. Probst, M.E. Rubin, H. Singleton, A. Spacek, A. Truitt, P.P. Zaw, H. Hartnett (2016) “Arctic Ice Management.” Earth's Future, doi:10.1002/2016EF000410


Documents and Files