Dr. Tahir Yaqoob
A Brief HistoryTahir Yaqoob obtained a B.A. (Hons) in Physics at the University of Oxford, UK, in 1986 and a PhD in X-ray Astronomy at the University of Leicester, UK, in 1990. He subsequently continued his research in X-ray astronomy, at the Institute of Space and Astronautical Science (ISAS), Japan on a Royal Society/ JSPS Fellowship and then at the Institute of Astronomy, Cambridge, UK on a Royal Society Fellowship. Since October 1992 he has been at the Exploration of the Universe Division (formerly LHEA) at NASA/ Goddard Space Flight Center working with Dr. Peter Serlemitsos on X-ray data from the ASCA satellite, as a member of the ASCA mirror (XRT) team. Since October 1995 he has taken on programmatic duties as a member of the ASCA Guest Observer Facility (GOF).
Research InterestsTahir's research interests focus on diagnosing the physical properties of astrophysical sources using observations at high-energy (i.e. anything above the Lyman limit), primarily of active galaxies (AGN). He has experience in analysing data from the EXOSAT, Ginga, BBXRT, ROSAT and ASCA satellites. His research activity and interests also include theoretical modelling of the physical processes in astrophysical sources, again primarily AGN, using numerical FORTRAN and IDL codes written by himself. Of particular interest are the X-ray emission mechanisms, structure, geometry and physical state of matter close to the X-ray source, diagnostics using the iron-K emission line and implications for the putative black hole.
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