LBS User’s Manual

This is the User’s Manual of the LiteBIRD Simulation Framework.

Parts

• Introduction
  • Installation
  • Using Singularity
• Structure of the framework
  • Interface Hierarchy
  • Simulations
  • The IMo
  • Detectors, channels, and instruments
  • Focal plane visualization
  • Observations
  • Data layout
  • Maps and Spherical Harmonics
  • Unit Management and Conversions
  • Profiling
  • Creating reports
  • Random numbers
  • Details on the RNG hierarchy
  • Passing communicators to RNGHierarchy
  • Multithreading and MPI
  • Integrating existing codes
• Basic simulation modules
  • Scanning strategy
  • Quaternions
  • Half Wave Plate
  • Instrumental noise
  • Synthetic Sky Maps
  • Dipole anisotropy
  • Scanning a map to fill a TOD
  • Convolve Alms with a Beam to fill a TOD
• Systematic effects
  • Gain drift injection
  • Non-linearity injection
  • HWP Systematics
  • HWP emissivity
  • Pointing systematics
  • \(h\)-maps
• Data-reduction modules
  • Map-making
• Tutorials
  • Tutorial
  • Example notebooks
• Appendices
  • Bibliography

How to cite

If you use the LiteBIRD Simulation Framework in your work, please cite [10]:

M. Tomasi et al. (LiteBIRD Collaboration), “A simulation framework for the LiteBIRD instruments,” JCAP 11 (2025) 040, doi:10.1088/1475-7516/2025/11/040, arXiv:2507.04918.

The corresponding BibTeX entry (key 2025:litebird:tomasi) is available in the bibliography.

Indices and tables

• Index

• Module Index

• Search Page