معرفی
Sultana Nahar is a Research Professor in the Department of Astronomy at The Ohio State University, affiliated with the College of Arts and Sciences. Her research focuses on atomic physics, astrophysics, and plasma processes with applications to stellar interiors, exoplanetary atmospheres, and nanobiomedicine. She leads the Iron Project and Opacity Project, advancing radiative opacity calculations and atomic data for astrophysical modeling. Her work involves R-matrix methodology, Monte Carlo simulations, and database development (e.g., NORAD-Atomic-Data). Nahar holds a Ph.D. in Physics from Wayne State University and has contributed to international STEM education initiatives through collaborations like the Cairo University Memorandum of Agreement.
Education:
- Ph.D. 1987, Physics, Wayne State University
- M.A. 1982, Physics, Wayne State University
- M.Sc. 1979, Physics, University of Dhaka
- B.Sc. 1977, Physics, University of Dhaka
Research Interests:
Dr. Nahar’s expertise spans atomic structure calculations, plasma opacity modeling, and spectroscopic analysis of astrophysical phenomena. She investigates photoionization processes in ions like Fe, Ca, Cl, and lanthanides, with implications for solar abundance problems, kilonova events, and exoplanet biosignatures. Her computational methods address high-precision atomic data needs for astrophysical simulations.
Publications Trends:
Recent work emphasizes R-matrix calculations for iron ions, phosphorus cations, and lanthanides; development of opacity databases; and exoplanetary biosignature modeling. Key themes include solar opacity discrepancies, gravitational wave astronomy applications, and Monte Carlo radiation transfer techniques.
Grants & Collaboration:
She collaborates internationally on STEM faculty training (e.g., India’s Obama-Singh Initiative) and plasma physics research. Her projects involve advanced computational facilities and experimental validation with synchrotron facilities.
Labs/Teams:
Active in Ohio State’s Astronomy Department instrumentation group, contributing to projects like the Iron Opacity Project and NORAD-Atomic-Data database maintenance.
