{
  "bibcode": "2008GCN..7942....1G",
  "body": "We analysed 12.1 ks of data in Photon Counting (PC) mode obtained for GRB\n080703 (Ziaeepour et al., GCN Circ 7936) between 106 s and 3.1e4s after the\ntrigger (T0). The UVOT-enhanced XRT position was given by Osborne et al. in\nGCN Circ. 7939.\n\nThe X-ray light-curve shows an initial rise from T0+106s to ~T0+200s and\nthen\ndecays with a slope of ~1.2. From ~T0+700s to ~T0+2000s, the XRT light-curve\nshows some flaring activities. The light-curve after ~T0+1e4s decays with a\nslope of 1.57 +/-0.21.\n\nThe hardness ratio does not show any significant spectral variation from\nT0+106s to T0+3.1e4s. The PC spectrum from T0+106s to T0+3.1e4s is well\nfitted\nby an absorbed power-law with a photon index of 1.7 +/-0.1 and an absorption\ncolumn of (8.9 +3.9/-3.3)e20 cm**-2, in excess with respect to the Galactic\none (5.2e20 cm**-2; Kalberla et al. 2005). The observed 0.3-10 keV flux over\nthis time interval is (8.2 +0.8/-1.2)e-12 erg/cm**2/s.\n\nIf the light-curve continues to decay with alpha = 1.6, the count rate at 24\nhours after the trigger is estimated to be 7e-3 counts/s, which\ncorresponds to\nan observed flux of 6.7e-13 erg/cm**2/s.\n\nThis is an official product of the Swift-XRT team.",
  "circularId": 7942,
  "createdOn": 1215179139000,
  "email": "og19@star.le.ac.uk",
  "subject": "GRB 080703: Swift-XRT refined analysis",
  "submitter": "Olivier Godet at U.of Leicester  <og19@star.le.ac.uk>",
  "eventId": "GRB 080703"
}