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Manual Reference Pages  -  ASTRO::CATALOG::ITEM::MORPHOLOGY (3)

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NAME

Astro::Catalog::Item::Morphology - Information about a star’s morphology.

CONTENTS

SYNOPSIS



  $morphology = new Astro::Catalog::Item::Morphology( );



DESCRIPTION

Stores information about an astronomical object’s morphology.

METHODS

    Constructor

<B>newB> Create a new instance of an Astro::Catalog::Item::Morphology object.

$morphology = new Astro::Catalog::Item::Morphology( );

This method returns a reference to an Astro::Catalog::Item::Morphology object.

    Accessor Methods

<B>ellipticityB> The ellipticity of the object.
<B>position_angle_pixelB> Position angle using the pixel frame as a reference. Measured counter- clockwise from the positive x axis.
<B>position_angle_worldB> Position angle using the world coordinate system as a reference. Measured east of north.
<B>major_axis_pixelB> Length of the semi-major axis in units of pixels.
<B>minor_axis_pixelB> Length of the semi-minor axis in units of pixels.
<B>major_axis_worldB> Length of the semi-major axis in units of degrees.
<B>minor_axis_worldB> Length of the semi-minor axis in units of degrees.
<B>areaB> Area of the object, usually by using isophotal techniques, in square pixels.
<B>fwhm_pixelB> FWHM of the object in pixels.
<B>fwhm_worldB> FWHM of the object in arcseconds.

PRIVATE METHODS

<B>_configureB> Configure the object.

REVISION



 $Id: Morphology.pm,v 1.4 2006/06/05 21:03:23 cavanagh Exp $



COPYRIGHT

Copyright (C) 2004 Particle Physics and Astronomy Research Council. All Rights Reserved.

AUTHORS

Brad Cavanagh <b.cavanagh@jach.hawaii.edu>
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perl v5.20.3 ASTRO::CATALOG::ITEM::MORPHOLOGY (3) 2016-04-03

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