NAME
Astro::Catalog::Star::Morphology - Information about a star's morphology.
SYNOPSIS
$morphology = new Astro::Catalog::Star::Morphology( );DESCRIPTION
Stores information about an astronomical object's morphology.
METHODS
Constructor
- new
-
Create a new instance of an
Astro::Catalog::Star::Morphologyobject.$morphology = new Astro::Catalog::Star::Morphology( );
This method returns a reference to an
Astro::Catalog::Star::Morphologyobject.
Accessor Methods
- ellipticity
-
The ellipticity of the object.
- position_angle_pixel
-
Position angle using the pixel frame as a reference. Measured counter- clockwise from the positive x axis.
- position_angle_world
-
Position angle using the world coordinate system as a reference. Measured east of north.
- major_axis_pixel
-
Length of the semi-major axis in units of pixels.
- minor_axis_pixel
-
Length of the semi-minor axis in units of pixels.
- major_axis_world
-
Length of the semi-major axis in units of degrees.
- minor_axis_world
-
Length of the semi-minor axis in units of degrees.
- area
-
Area of the object, usually by using isophotal techniques, in square pixels.
REVISION
$Id: Morphology.pm,v 1.2 2004/12/22 01:42:24 cavanagh Exp $COPYRIGHT
Copyright (C) 2004 Particle Physics and Astronomy Research Council. All Rights Reserved.
AUTHORS
Brad Cavanagh <b.cavanagh@jach.hawaii.edu>