SpecSim

SpecSim is a python package for quick simulations of multi-fiber spectrograph response. For a quick introduction, browse the examples notebook or try one of the command-line programs.

• Installation
  • Install Latest Stable Release
  • Install Latest Developer Version
  • Required Dependencies
  • Optional Dependency: matplotlib
  • Optional Dependency: galsim
• User’s Guide
  • Source Model
  • Atmosphere Model
  • Instrument Model
• Configuration
  • Configuration File
  • DESI Configuration
  • Test Configuration
• Command-Line Program
  • QuickSpecSim
  • QuickFiberLoss
• Simulation Outputs
  • Simulated Output Table
  • Camera Output Tables
• Fiber Acceptance Fraction Calculations
  • Overview
  • Configuration
  • GalSim Dependency
  • API
  • GalSim Accuracy and Speed
• History
  • Backwards Compatibility
• specsim Change Log
  • 1.0.0 (2026-03-16)
  • 0.17 (2024-04-30)
  • 0.16 (2023-01-13)
  • 0.15 (2022-01-24)
  • 0.14 (2020-08-04)
  • 0.13 (2018-07-30)
  • 0.12 (2018-07-26)
  • 0.11.1 (2018-06-27)
  • 0.11 (2017-10-10)
  • 0.10 (2017-10-03)
  • 0.9 (2017-05-11)
  • 0.8 (2017-03-25)
  • 0.7 (2016-12-02)
  • 0.6 (2016-11-09)
  • 0.5 (2016-09-12)
  • 0.4 (2016-03-08)
  • 0.3 (2016-02-19)
  • 0.2 (2015-12-18)
  • 0.1 (2015-09-16)
• API Reference
  • specsim.config Module
  • specsim.atmosphere Module
  • specsim.instrument Module
  • specsim.camera Module
  • specsim.source Module
  • specsim.observation Module
  • specsim.fiberloss Module
  • specsim.quickfiberloss Module
  • specsim.quickspecsim Module
  • specsim.fastfiberacceptance Module
  • specsim.fitgalsim Module
  • specsim.simulator Module
  • specsim.transform Module