Studies of Gamma-Ray Bursts in the Swift era D a∠lga0 Department of Astronomy, Nanjing University 物理年会,北京,09/162006
Studies of Gamma-Ray Bursts in the Swift Era Dai Zigao Department of Astronomy, Nanjing University 物理年会，北京，09/16/2006
30000 20000 10000 Ime in seconds
Gamma-Ray Bursts T 600FTTTVTTTTTTTTTT 3B910507 3B90523 910717-16386 0a7911 1000 00 0005 5001000 n03 002}910430461721 0591050325454 40 Tu 十 0.003 50010002000500010000 02904n 2000 0.007 0sE91081469275 0.1 20 30 002E⊥⊥⊥ 020050010020000001000 Time since GRB-Trigger (s) 张盘/ke Temporal features: diverse and ectral features: broken power laws iky light curves with e of a few tens to hundreds of ke v
Spectral features: broken power laws with Ep of a few tens to hundreds of keV Temporal features: diverse and spiky light curves. Gamma-Ray Bursts
Bimodal distribution in durations 100g ◇ BATSE ◇ ■SAX ◇ 8088 10 ◇◇ 象8 88 ◇ ◇ ◇◇ ◇◇ 0: 8◇ ◇ 8 ◇ ◇◇■ shor long 2 01 001 01 90%Width 100 1000
Bimodal distribution in durations shor t long 2 s
Outline Pre-Swift progress lI. Recent progress and implications GRB cosmology
Outline I. Pre-Swift progress II. Recent progress and implications III. GRB cosmology