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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

pdfpict

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.