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Casey Law renamed science.tex to accomplishments.tex
about 10 years ago
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\section{Accomplishments}
My research
--- Helped build and commission the first millisecond correlator for a radio interferometer, PoCo
--- Developed bispectrum radio transient detection algorithm
--- Commissioned VLA for millisecond observing
--- Leading VLA FRB project, M31 search, RRAT search
%An exciting new class of radio transients is the "fast radio burst" (FRB; Thornton et al. 2013, Science, 341, 53). Discovered in all-sky pulsar surveys by single-dish telescopes, their dispersion is an order of magnitude larger than expected from the Galaxy and consistent with propagation through the intergalactic medium. If FRBs lie at cosmological distances, their dispersion can be used to measure properties of the intergalactic medium. Beyond using FRBs as probes, understanding the origin of FRBs may have relevance to gamma-ray bursts and sources of gravitational waves.
%The most distant pulsar known was recently detected in Andromeda (Rubio-Hererra et al. 2013, MNRAS, 428, 2857). Dispersion of a sample of such transients will directly measure the baryons in the outer fringes (the "halo") of the Milky Way and M31. Roughly 50\% of baryons in the local universe have not been directly detected and fast radio transients may help solve this "missing baryon problem".
%Nearer to our own Galaxy, pulsar surveys have discovered the "rotating radio transient" (RRAT; McLaughlin et al. 2006, Nature, 439, 817), a spinning neutron star that sporadically pulses. While a few dozen RRATs are now known, it is unclear whether they are tied to extreme objects like magnetars or simply ordinary pulsars that emit bright pulses detectable individually.
%Much closer to earth, we know that Jupiter emits intense radio bursts that make it the brightest astronomical object at low radio frequencies. Coronal mass ejections (much as seen in the Sun), also drive radio fast, coherent radio flares. These processes could be used to measure magnetism and plasma properties of other stars and should profoundly affect the habitability of orbiting exoplanets. Both of these mechanisms should be detectable as subsecond transients.
