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[ Module Hierarchy | Class Hierarchy ]

# Class Hierarchy

- astLib.astPlots.ImagePlot: This class describes a matplotlib image plot containing an astronomical image with an associated WCS.
- astLib.astSED.Passband: This class describes a filter transmission curve.
  - astLib.astSED.TopHatPassband: This class generates a passband with a top hat response between the given wavelengths.
- astLib.astSED.SED: This class describes a Spectral Energy Distribution (SED).
  - astLib.astSED.VegaSED: This class stores the SED of Vega, used for calculation of magnitudes on the Vega system.
- astLib.astSED.StellarPopulation: This class describes a stellar population model, either a Simple Stellar Population (SSP) or a Composite Stellar Population (CSP), such as the models of Bruzual & Charlot 2003 or Maraston 2005.
  - astLib.astSED.BC03Model: This class describes a Bruzual & Charlot 2003 stellar population model, extracted from a GALAXEV .ised file using the galaxevpl program that is included in GALAXEV.
  - astLib.astSED.M05Model: This class describes a Maraston 2005 stellar population model.
  - astLib.astSED.P09Model: This class describes a Percival et al 2009 (BaSTI; http://albione.oa-teramo.inaf.it) stellar population model.
- astLib.astWCS.WCS: This class provides methods for accessing information from the World Coordinate System (WCS) contained in the header of a FITS image.