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SUN/226.13

Starlink Project
Starlink User Note 226.13

A.J. Chipperfield
P.W. Draper

19th September 2014


EXTRACTOR
An Astronomical Source Detection Program

User Manual

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Abstract

EXTRACTOR will detect sources in an astronomical image and build a catalogue listing them. It is based on the popular SExtractor program, has very flexible configuration facilities and can handle images and catalogues in a variety of formats.

Contents

1 Introduction
2 Running EXTRACTOR
 2.1 Running EXTRACTOR from scripts
3 Using images in non-NDF formats
4 Running SExtractor
5 Using GAIA and EXTRACTOR
6 Implementation notes
7 Isophotal radii
8 References
A Specification of EXTRACTOR
EXTRACTOR – Extracts sources from astronomical images.