VegasAfterglow

VegasAfterglow is a high-performance computational framework combining C++ efficiency with Python accessibility for gamma-ray burst afterglow modeling.

$ pip install VegasAfterglow
$ python -c "import VegasAfterglow; print('ready')"
ready
┌─────────────────────────────────────────────┐
│  VegasAfterglow                             │
│  Light curve generation   ~ms               │
│  MCMC inference           ✓                 │
│  Forward + reverse shock  ✓                 │
│  Synchrotron self-Compton ✓                 │
│  Structured jets          ✓                 │
└─────────────────────────────────────────────┘

Key Features:

  • Generates light curves in milliseconds — enabling rapid MCMC parameter inference
  • Forward and reverse shock modeling across relativistic and non-relativistic regimes
  • Synchrotron self-Compton emission
  • Flexible jet structures with arbitrary viewing angles
  • Python interface for seamless integration with standard fitting tools

Publication: Wang, Chen & Zhang (2025), JHEAP

Yihan Wang
Yihan Wang
Postdoctoral Research Associate (Assistant Professor at HKU, Fall 2026)

Establishing a unified framework of disk-regulated cluster dynamics to understand AGN transients and gravitational wave sources.