Present PositionAstrophysicist
Brief BioTod was born and raised in New York (Long Island to be precise), where during his formative years he developed a keen interest in science and hockey, but not necessarily in that order. In 1985 he graduated with a degree in Physics (BS) from Rensselaer Polytechnic Institute (RPI) and then moved West to the University of Rochester (NY) to do graduate work in astrophysics. Under the supervision of Hugh van Horn his PhD, "On Observing Neutron Star Oscillations", was completed in 1991. After that he continued to drift westward, landing at Los Alamos National Lab, where he worked with Ed Fenimore on coded mask imaging, gamma-ray bursts and assorted neutron star physics. He came back East to Goddard in Summer 1994 to work on the Rossi X-ray Timing Explorer (RXTE) Proportional Counter Array (PCA) science team led by Jean Swank. He carries out a diverse researchprogram focused primarily on the physics of compact stellar remnants, and tries to play a game of soccer now and again. Educational Background
Research InterestsTod's research focuses on the physics of compact stellar remmants: neutron stars, black holes and white dwarfs. Specific areas of study include, X-ray Binaries; Neutron Stars; Black Holes; Compact White Dwarf Binaries; Soft Gamma Repeaters; Gamma-Ray BurstsCurrent Projects
Professional Societies and Community Service
Awards and Honors
Selected Publications
``Detection with RHESSI of High-Frequency X-Ray Oscillations in the Tailof the 2004 Hyperflare from SGR 1806-20" ``A Non-PRE Double-peaked Burst from 4U 1636-536: Evidence of Burning Front Propagation" ``The Discovery of a Neutron Star with a Spin Frequency of 530 Hz in A1744-361" ``Evidence for Harmonic Content and Frequency Evolution of Oscillations during the Rising Phase of X-Ray Bursts from 4U 1636-536" ``Discovery of Fast X-Ray Oscillations during the 1998 Giant Flare from SGR 1900+14'' ``Light Curves of Oscillating Neutron Stars" ``Precision X-Ray Timing of RX J0806.3+1527 with CHANDRA: Evidence for Gravitational Radiation from an Ultracompact Binary'' ``Discovery of the Accretion-powered Millisecond X-Ray Pulsar IGR J00291+5934'' ``Constraints on Neutron Star Parameters from Burst Oscillation Light Curves of the Accreting Millisecond Pulsar XTE J1814-338'' ``Discovery of the Neutron Star Spin Frequency in EXO 0748-676'' ``Chandra Detection of the AM Canum Venaticorum Binary ES Ceti (KUV 01584-0939)'' ``Chandra Observations of V407 Vulpeculae: Confirmation of the Spin-up'' ``Detection of Nitrogen and Neon in the X-Ray Spectrum of GP Comae Berenices with XMM/Newton'' ``The Evolution of the Accretion Disk around 4U 1820-30 during a Superburst'' ``X-ray Bursts from the Accreting Millisecond Pulsar XTE J1814-338'' ``Phase Coherent Timing of RX J0806.3+1527 with ROSAT and Chandra" ``Discovery of X-Ray Quasi-periodic Oscillations from an Ultraluminous X-Ray Source in M82: Evidence against Beaming" ``Evidence for Orbital Decay of RX J1914.4+2456: Gravitational Radiation and the Nature of the X-ray Emission'' ``Evidence for a Millisecond Pulsar in 4U 1636-53 During a Superburst'' ``A Remarkable Three Hour Thermonuclear Burst from 4U 1820-30'' ``Discovery of a 450 HZ Quasi-periodic Oscillation from the Microquasar GRO J1655-40 with the Rossi X-Ray Timing Explorer'' ``Discovery of a Second High-Frequency Quasi-periodic Oscillation from the Microquasar GRS 1915+105'' Publications at the ADS website.
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