Browsing by Author "Prochaska, J. X."

Now showing items 1-2 of 2

    • AFTERGLOW OBSERVATIONS OF FERMI LARGE AREA TELESCOPE GAMMA-RAY BURSTS AND THE EMERGING CLASS OF HYPER-ENERGETIC ... 
      Cenko, S. B.; Frail, D. A.; Harrison, F. A.; Haislip, Joshua B.; Reichart, Daniel E.; Butler, N. R.; Cobb, B. E.; Cucchiara, A.; Berger, E.; Bloom, J. S.; Chandra, P.; Fox, D. B.; Perley, Daniel; Prochaska, J. X.; Filippenko, A. V.; Glazebrook, K.; Ivarsen, K. M.; Kasliwal, M. M.; Kulkarni, S. R.; LaCluyze, Aaron P.; López, S.; Morgan, A. N.; Pettini, M.; Rana, V. R. (2011-05-01)
      We present broadband (radio, optical, and X-ray) light curves and spectra of the afterglows of four long-duration gamma-ray bursts (GRBs; GRBs 090323, 090328, 090902B, and 090926A) detected by the Gamma-Ray Burst Monitor ...
    • AN INDEPENDENT MEASUREMENT OF THE INCIDENCE OF Mg ii ABSORBERS ALONG GAMMA-RAY BURST SIGHT LINES: THE END ... 
      Cucchiara, A.; Prochaska, J. X.; Zhu, G.; Ménard, B.; Fynbo, J. P. U.; Fox, D. B.; Chen, H. W.; Cooksey, K. L.; Cenko, S. B.; Perley, D.; Bloom, J. S.; Berger, E.; Tanvir, N. R.; D’Elia, V.; Lopez, S.; Chornock, R.; De Jaeger, Thomas (The American Astronomical Society, 2013-08)
      In 2006, Prochter et al. reported a statistically significant enhancement of very strong Mgii absorption systems intervening the sight lines to gamma-ray bursts (GRBs) relative to the incidence of such absorption along ...