CARPP is a powerful tool for analyzing dense molecular cores using multi-wavelength dust continuum observations. It leverages 3D radiative transfer under spherical symmetry to derive density, temperature profiles, and spectral index, enabling researchers to distinguish between hydrostatic equilibrium (Bonnor-Ebert spheres) and dynamically collapsing cores (power-law profiles).

• 3D Radiative Transfer Modeling: Accurately accounts for temperature gradients and optical depth effects.
• Multi-Wavelength Data Fitting: Optimizes density and temperature profiles using dust continuum images at different wavelengths.
• Flexible Profile Models:
  • Generalized Plummer-like density profiles (supports Bonnor-Ebert spheres and power-law regimes).
  • Continuous temperature profiles with customizable central and ambient parameters.
• Robust Performance: Achieves <10% average parameter error under optimal noise/resolution conditions.

The CARPP package in this repo is the IDL version of CARPP. To use CARPP, you should:

1. Download the repo
2. Make sure you have IDL installed on your device
3. Add the path of CARPP to your IDL at Preferences - IDL - Paths
4. Do idl run_carpp.pro in Test_Data folder, it should start to calculate the test core
5. You may now edit and run run_carpp_template.pro

TBC