1. GLAST LAT Project23 Oct 2002 T. Burnett 1 Specifying particle fluxes in Gleam Toby Burnett

2. GLAST LAT Project23 Oct 2002 T. Burnett 2 What needs to be specified Particle –proton, e+, e-, gamma, … Energy (KE) –Monochromatic –Power law –custom Direction, or origin –point –solid angle range –Reference frame GLAST Zenith Equatorial or Galactic Time –Interval to next photon –Time dependent Position –Random on sphere (x- section: 6 m 2 ) –Point in GLAST frame –“Patch” – a box in GLAST frame

3. GLAST LAT Project23 Oct 2002 T. Burnett 3 How do we do it? XML! Document Source element Spectrum element Particle spec (w/ energy) Direction Position? default