Faculty Profile for Dr. Blagoy Rangelov

profile photo for Dr. Blagoy Rangelov
Dr. Blagoy Rangelov
Assistant Professor — Physics
RFM 3240
phone: (512) 245-2131

Biography Section

Biography and Education

Blagoy Rangelov received a B.S. degree in Physics from Sofia University, Bulgaria, where, a year later, he graduated with an M.S. degree in Astronomy and Astrophysics. In 2006 he joined the Ph.D. program of the Department of Physics and Astronomy at the University of Toledo, where he worked on extragalactic astronomy. Blagoy Rangelov broadened his knowledge and skillset by becoming a Pre-doctoral Fellow at the Harvard-Smithsonian Center for Astrophysics in Cambridge, MA. There he had the excellent opportunity to carry out research in extragalactic high-energy astrophysics and gained hands-on experience in using modern X-ray telescopes and their data analysis. In 2013 he became a Postdoctoral Scientist at the George Washington University, where he conducted research in galactic and extragalactic high-energy astrophysics and participated in a number of educational and outreach activities. In the Fall of 2016, Blagoy Rangelov joined the Department of Physics at Texas State University.

Research Interests

Multi-wavelength Astronomy: extragalactic multi-wavelength surveys of normal and starburst galaxies; multi-wavelength searches for compact objects; classification of X-ray sources using machine learning techniques; optical imaging and spectroscopy.
High-energy Astrophysics: formation and evolution of X-ray binaries (galactic and extragalactic); compact object populations in galaxies; bow shocks around pulsars and high-velocity stars; identification of GeV and TeV sources, pulsars and pulsar wind nebulae.
Gravitating Systems: star cluster populations and evolution, close binary systems. Computational Astrophysics: N-body simulations, astrostatistics, machine learning, data min- ing and visualization.

Selected Scholarly/Creative Work

  • Rangelov, B., Yang, H., Williams, B., Hare, J., Kargaltsev, O., & Martinic, K. (n.d.). Chandra X-ray Observatory Observations of 13 Fermi LAT Sources. The Astrophysical Journal. https://doi.org/10.3847/1538-4357/ad09da
  • Chen, S. G., Kargaltsev, O., Yang, H., Hare, J., Volkov, I., Rangelov, B., & Tomsick, J. (2023). Population of X-ray Sources in the Intermediate-Age Cluster NGC 3532: A Testbed for Machine-Learning Classification. The Astrophysical Journal.
  • Yang, H., Hare, J., Kargaltsev, O., Volkov, I., Chen, S. G., & Rangelov, B. (2022). Classifying Unidentified X-ray Sources in the Chandra Source Catalog Using a Multi-wavelength Machine Learning Approach. The Astrophysical Journal, 941. https://doi.org/10.3847/1538-4357/ac952b
  • Luitel, S., & Rangelov, B. (2022). Numerical Simulation of Compact Objects in Binary Systems Post-Supernova. Research Notes of the AAS, 6. https://doi.org/10.3847/2515-5172/ac4992
  • Rice, J. R., Rangelov, B., Prestwich, A. H., Chandar, R., Bichon, L., & Boldt, C. (2021). X-ray binaries in M51 I: catalog and statistics. The Astrophysical Journal, 922. https://doi.org/10.3847/1538-4357/ac22ac

Selected Awards

  • Award / Honor Recipient: Presidential Distinction Award for Excellence in Teaching. 2022 - August 2022
  • Award / Honor Recipient: COSE Awards for Excellence in Teaching. 2022 - June 2022
  • Award / Honor Recipient: Alumni Association Teaching Award of Honor. 2020 - August 2020
  • Award / Honor Recipient: Presidential Distinction Award for Excellence in Teaching. 2020 - August 2020
  • Award / Honor Recipient: Excellence in Service. March 2019 - September 2019

Selected Grants

  • Lewis, Karen A, Whitten, Steven T (Co-Principal), Hough, Loren (Co-Principal), Hodby, Eleanor (Co-Principal), Theodoropoulou, Nikoleta (Supporting), Close, Eleanor W (Supporting), Rangelov, Blagoy (Supporting), Islam, Tanzima Z (Supporting), Betancourt, Tania (Supporting), Berry, Joe (Supporting), Finklestein, Noah (Supporting), MacGregor, Meredith (Supporting), Brown, Jed (Supporting), Eaves, Joel (Supporting). Creating Equitable Pathways to STEM Graduate Education, Sloan Foundation, Private / Foundation / Corporate, $249299. (Submitted: September 2, 2022, Funded: January 2023 - Present). Grant.
  • Rangelov, Blagoy (Principal). Multi-wavelength Classification of X-ray sources in Spiral Galaxies, NASA Astrophysics Data Analysis Program, $286110. (Submitted: 2021, Funded: June 15, 2022 - June 14, 2025). Grant.
  • Rangelov, Blagoy (Co-Principal). A Deep broadband study of the diverse population of X-ray sources in M51 with Chandra and NuSTAR. (Submitted: 2016, Funded: 2016). Grant.
  • Rangelov, Blagoy (Principal). Swift Cycle 12, Revealing pulsars hidden in the 3rd Fermi Catalog, $45000. (Funded: 2015). Grant.
  • Rangelov, Blagoy (Co-Principal), Kargaltsev, O (Principal). Snap-shot Survey of Fermi Pulsar Candidates. (Funded: 2015). Grant.

Selected Service Activities

University Mentor
Society for Space Exploration
August 2020-Present
Organizer
Planetarium, Texas State University
2017-Present
Organizer
Weekly Public Observing
2016-Present
University Mentor
Astronomy Club
2016-Present
Organizer
Public Observing, Texas State University Observatory
September 2016-Present