Guest Observer Facilities & Science Centers Select One AGILE ASCA BeppoSAX CGRO Chandra EUVE GALEX GLAST HETE-2 INTEGRAL ROSAT RXTE Suzaku Swift XMM-Newton NASA Archives Select One ADS AstroGravS EOSDIS HORIZONS IRSA LAMBDA MAST Michelson NED NSSDC PDS SDAC SPDF Spitzer Science Center HEASARC Tip: View all tips Dr. Tahir Yaqoob Employer: University of Maryland Baltimore County Job Description: Astrophysicist Phone: 301-286-5015 Fax: 301-286-1684 e-mail: yaqoob@milkyway.gsfc.nasa.gov Home Page Curriculum Vitae Publications A Brief History Tahir 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 Interests Tahir'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. Return to the OGIP Staff page Page Last Update: Monday, 19-Jun-2006 11:24:57 EDT HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public Last modified: Monday, 19-Jun-2006 11:24:57 EDT Science Mission Directorate Universe Division Beyond Einstein | Origins FAQ/Comments/Feedback Education Resources Find helper applications like Adobe Acrobat A service of the Astrophysics Science Division at NASA/ GSFC and the High Energy Astrophysics Division of the Smithsonian Astrophysical Observatory (SAO) HEASARC Director: Dr. Francis E. Marshall (acting), HEASARC Associate Director: Dr. Roger Brissenden, Responsible NASA Official: Phil Newman Web Curator: Karen Smale Privacy Policy and Important Notices.