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  • Getting Started
  • User Guide
  • Contributing
  • Project Details
  • Tutorials
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Data structures and transformations

  • 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)

File I/O

  • 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)
  • HDF5, Parquet, PyArrow CSV, YAML (astropy.io.misc)

Computations and utilities

  • Cosmological Calculations (astropy.cosmology)
  • Convolution and Filtering (astropy.convolution)
  • IERS data access (astropy.utils.iers)
  • Data Visualization (astropy.visualization)
  • Astrostatistics Tools (astropy.stats)
  • SAMP (Simple Application Messaging Protocol) (astropy.samp)

Nuts and bolts

  • 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
  • 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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