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


Astro-Catalog documentation  | view source Contained in the Astro-Catalog distribution.

Index


NAME

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

SYNOPSIS

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

DESCRIPTION

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Stores information about an astronomical object's morphology.

METHODS

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Constructor

new

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

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.

PRIVATE METHODS

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_configure

Configure the object.

REVISION

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 $Id: Morphology.pm,v 1.3 2005/10/25 01:22:29 cavanagh Exp $

COPYRIGHT

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AUTHORS

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Brad Cavanagh <b.cavanagh@jach.hawaii.edu>


Astro-Catalog documentation  | view source Contained in the Astro-Catalog distribution.