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ruiz at unca.edu
Last: 5/21/2008
Tim is an Assistant Professor at UNCA. He comes to us from a teaching position he had at the College of Charleston, Charleston, SC. He spends much time chasing and unlocking the physics of the most powerful explosions in the Universe since the Big Bang, the elusive Gamma-Ray Bursts (GRBs). He probes the high-energy emission of GRBs using data from the Swift spacecraft, as well as HETE-II. He also continues to analyze GRB data from the Burst and Transient Source Experiment (BATSE), one of four high-energy experiments flown on the Compton Gamma-Ray Observatory from 1991-2000. These studies probe the temporal and spectral properties of GRBs in an attempt to uncover patterns and distinct types of emission mechanisms, as well as possible GRB classes. Selected Publications 1. J. Hakkila, T. W. Giblin, K. C. Young, S. P. Fuller, C. D. Peters, C. Nolan, S. M. Sonnett, D. J. Haglin, and R. J. Roiger, "A Gamma-Ray Burst Database of BATSE Spectral Lag and Internal Luminosity Function Values," Astrophysical Journal Supplement Series 169, 62 (2007). pdf 2. J. Hakkila and T. W. Giblin, "A Simple Two-Parameter Characterization of Gamma-Ray Burst Time Histories," Astrophysical Journal 646, 1086 (2006). pdf D. Haglin, R. Roiger, J. Hakkila, and T. Giblin, "A Tool for Public Analysis of Scientific Data," Data Science Journal 4, 39 (2005). 4. J. Hakkila, T. W. Giblin, K. C. Young, D. J. Haglin, R. J. Roiger, J. P. Norris, and J. D. Bonnell, "Probing GRB Jet Strcuture from Prompt Emission," Chinese Journal of Astronomy and Astrophysical Supplement 5, 171-17 (2005). 5. J. P. Norris, J. T. Bonnell, D. Kazana, J. D. Scargle, J. Hakkila, and T. W. Giblin, "Long-Lag, Wide-Pulse Gamma-Ray Bursts," Astrophysical Journal 627, 324 (2005). pdf 6. T. Giblin, J. Neff, J. Hakkila, K. Davis, D. Hartmann, "A Gamma-Ray Burst Rapid-Response Observatory in the US Virgin Islands," Astronomische Nachrichten 325, 670 (2004). 7. J. Hakkila and T. W. Giblin, "Quiescent Burst Evidence for Two Distinct Gamma-Ray Emission Components," Astrophysical Journal 610, 361 (2004). pdf
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