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Astropy v8.0.0b1

  • Getting Started
  • User Guide
    • Constants (astropy.constants)
    • Units and Quantities (astropy.units)
    • N-Dimensional Datasets (astropy.nddata)
    • Data Tables (astropy.table)
    • Time and Dates (astropy.time)
    • Time Series (astropy.timeseries)
    • Astronomical Coordinate Systems (astropy.coordinates)
    • World Coordinate System (astropy.wcs)
    • Models and Fitting (astropy.modeling)
      • Models
      • Compound Models
      • Model Parameters
      • Fitting
      • Using Units with Models and Fitting
      • Performance Tips
      • Extending Models
      • Extending Fitters
      • Adding support for units to models
      • JointFitter
      • Parallel Fitting
      • 1D Models
      • 2D Models
      • Physical Models
      • Polynomial Models
      • Powerlaw Models
      • Spline Models
      • Fitting a line
      • Fitting with constraints
      • Fitting Model Sets
      • Reference/API
    • Uncertainties and Distributions (astropy.uncertainty)
    • Overview of Astropy File I/O
    • High-level Unified File I/O
    • FITS File Handling (astropy.io.fits)
    • Text Tables (astropy.io.ascii)
    • VOTable Handling (astropy.io.votable)
    • ECVS, HDF5, Parquet, PyArrow CSV, YAML (astropy.io.misc)
    • Cosmological Calculations (astropy.cosmology)
    • Convolution and Filtering (astropy.convolution)
    • IERS data access (astropy.utils.iers)
    • Data Visualization (astropy.visualization)
    • Astrostatistics Tools (astropy.stats)
    • Masked Values and Quantities (astropy.utils.masked)
    • SAMP (Simple Application Messaging Protocol) (astropy.samp)
    • Configuration System (astropy.config)
    • I/O Registry (astropy.io.registry)
    • I/O Typing (astropy.io.typing)
    • Logging system
    • Python warnings system
    • Astropy Core Package Utilities (astropy.utils)
    • Environment variables
    • Astropy Glossary
  • Contributing
  • Project Details
  • User Guide
  • Models and Fitting (astropy.modeling)
  • Powerlaw Models

Powerlaw Models#

  • PowerLaw1D

  • BrokenPowerLaw1D

  • SmoothlyBrokenPowerLaw1D

  • ExponentialCutoffPowerLaw1D

  • LogParabola1D

  • Schechter1D

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Polynomial Models

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1D Spline Models
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Updated on 21 May 2026 , built with Sphinx 9.1.0