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Faculty Profiles

Caballero-Nieves, Saida

Assistant Professor, Aerospace, Physics and Space Sciences

Educational Background

Ph. D. in Astronomy, Georgia State University, 2012
M.S. in Physics (Concentration in Astronomy), Georgia State University, 2007
B.S. in Astronomy & Astrophysics, Physics, and History, University of Michigan, 2005

Current Courses

SPS 2010 - Observational Astronomy

SPS 4110 - Senior Lab

Previous Courses

SPS 1020 - Introduction to Space Science

SPS 2010 - Observational Astronomy

SPS 4010 - Introduction to Stellar Structure & Evolution

SPS 5010 - Stellar Structure & Evolution

Professional Experience

Postdoctoral Research Assistant, University of Sheffield (2012-2016)

Previous Students

Kyle Johnston, Ph.D. in Space Science, 2019

Cori Fletcher, Ph.D. in Space Science, 2018

Trisha Doyle, Ph.D in Space Science, 2017

Additional Duties

Director, Olin Observatory

Faculty Advisor Student Astronomical Society

James Webb Space Telescope User Committee

CUR Councilor

SARA Board member


  1. Johnston, K. B., Caballero-Nieves, S. M., Petit, V., Peter, A. M., & Haber, R., 2020, Variable star classification using multiview metric learning, MNRAS, 491, 3805.
  2. Johnston, K. B., Haber, R., Caballero-Nieves, Saida M., Peter, A. M., Petit, V., & Knote, M., 2019, A detection metric designed for O'Connell effect eclipsing binaries, Computational Astrophysics and Cosmology, v. 6, iss. 1, 4, p. 15.
  3. Griffiths, D. W., Goodwin, S. P., Caballero-Nieves, S. M., 2018, Massive, wide binaries as tracers of massive star formation, MNRAS, 476, 2493.
  4. Crowther, P. A., Caballero-Nieves, S. M., Bostroem, K. A., Maíz-Apellániz, Walborn, N. R., Angus, C., Brott, I., Bonanos, A.,de Koter, A., de Mink, S. E., Evans, C. J., Gräfener, G., Herrero, A., Howarth, I D., Langer, N., Lennon, D. J., Puls, J., Sana, H., Vink, J. S., 2016, Spatially Resolved HST/STIS spectroscopy of the R136 star cluster. I. Far-ultraviolet spectroscopic census, MNRAS, 458, 624.
  5. Aldoretta, E. J., Caballero-Nieves, S. M., Gies, D. R., Nelan, E. P., Wallace, D. J., Hartkopf, W. I., Henry, T. J., Jao, W.-C., Maíz Apellániz, J., Mason, B. D., Moffat, A. F. J., Norris, R. P., Richardson, N. D., & Williams, S. J, 2015, The Multiplicity of Massive Stars: A High Angular Resolution Survey with the HST Fine Guidance Sensor, AJ, 149, 26
  6. Caballero-Nieves, S. M., Nelan, E. P., Gies, D. R., Wallace, D. J., DeGioia-Eastwood, K., Herrero, A., Jao, W.-C., Mason, B. D., Massey, P., Moffat, A. F. J., & Walborn, N. R., 2014, A High Angular Resolution Survey of Massive Stars in Cygnus OB2: Results from the Hubble Space Telescope Fine Guidance Sensors, AJ, 147, 40
  7. Gies, D. R., Aldoretta, E. J., Caballero-Nieves, S. M., Nelan, E. P., Henry, T.J., Jao, W.-C., Hartkopf,W. I., Mason, B. D., Maíz Apellániz, J., Moffat, A.F.J., Richardson, N. D., Wallace, D. J., & Williams, S. J., 2014, HST Fine Guidance Sensors Survey For Binaries Among The Massive Stars, EAS Publications Series, 64, 395
  8. Caballero-Nieves, S. M., Gies, D. R., & Nelan, E. P., 2012, High Angular Resolution Observations of the Massive Stars in Cyg OB2, PASP, 465, 366
  9. Caballero-Nieves, S. M., Gies, D. R., Roberts, L. C., & Turner, N. H., 2011, Cyg OB2 Unveiled: The Search for Astrometric Companions, Société Royale des Sciences de Liège Bulletin, 80, 639
  10. Williams, S. J., Gies, D. R., Helsel, J. W., Matson, R. A., & Caballero-Nieves, S., 2011, ASAS Light Curves of Intermediate-Mass Eclipsing Binary Stars and the Parameters of HI Mon, AJ, 142, 5
  11. Williams, S. J., Wilson, J. W., Hursey, M., & Caballero-Nieves, S. M., 2010, Astrometric Observations of WDS Neglected Binary Stars, Journal of Double Star Observations, 6, 15
  12. Caballero-Nieves, S. M., Gies, D. R., Bolton, C. T., Hadrava, P., Herrero, A., Hillwig, T. C., Howell, S. B., Huang, W., Kaper, L., Koubský, P., & McSwain, M. V., 2009, The Ultraviolet Spectrum and Physical Properties of the Mass Donor Star in HD 226868 = Cygnus X-1, ApJ, 701, 1795
  13. Gies, D. R., Bolton, C. T., Blake, R. M., Caballero-Nieves, S. M., Crenshaw, D. M., Hadrava, P., Herrero, A., Hillwig, T. C., Howell, S. B., Huang, W., Kaper, L., Koubský, P., & McSwain, M. V., 2008, Stellar Wind Variations during the X-Ray High and Low States of Cygnus X-1, ApJ, 678, 1237
  14. Caballero-Nieves, S. M., Sowell, J. R., & Houk, N., 2007, Galactic Distributions and Statistics of the HD Stars in the Michigan Spectral Catalogue, AJ, 134, 1072
  15. Sowell, J. R., Trippe, M., Caballero-Nieves, S. M., & Houk, N., 2007, H-R Diagrams Based on the HD Stars in the Michigan Spectral Catalogue and the Hipparcos Catalog, AJ, 134, 1089
  16. Oey, M. S., Meurer, G. R., Yelda, S., Furst, E. J., Caballero-Nieves, S. M., Hanish, D. J., Levesque, E. M., Thilker, D. A., Walth, G. L., Bland-Hawthorn, J., Dopita, M. A., Ferguson, H. C., Heckman, T. M., Doyle, M. T., Drinkwater, M. J., Freeman, K. C., Kennicutt, R. C., Jr., Kilborn, V. A., Knezek, P. M., Koribalski, B., Meyer, M., Putman, M. E., Ryan-Weber, E. V., Smith, R. C., Staveley-Smith, L., Webster, R. L., Werk, J., & Zwaan, M. A., 2007, The Survey for Ionization in Neutral Gas Galaxies. III. Diffuse, Warm Ionized Medium and Escape of Ionizing Radiation, ApJ, 661, 801
  17. Grundstrom, E. D., Caballero-Nieves, S. M., Gies, D. R., Huang, W., McSwain, M. V., Rafter, S. E., Riddle, R. L., Williams, S. J., & Wingert, D. W., 2007, Joint H-alpha and X-Ray Observations of Massive X-Ray Binaries. II. The Be X-Ray Binary and Microquasar LS I +61 303, ApJ, 656, 437.