SUN/246.2

Starlink Project
Starlink User Note 246.2

Stephen Todd
Edinburgh University

June 2004

Copyright © 2004 Particle Physics and Astronomy Research Council

ORAC-DR – integral field spectroscopy data reduction

4.1

User Guide


Abstract

ORAC-DR is a general-purpose automatic data-reduction pipeline environment. This document describes its use to reduce integral field unit (IFU) data collected at the United Kingdom Infrared Telescope (UKIRT) with the UIST instrument.

Contents

1 Introduction
2 Running ORAC-DR
3 Integral field unit data
4 An overview of the reduction
5 Flats, Arcs and Standard Stars
6 Displaying reconstructed images
7 Variance propagation
8 Data files
 8.1 Filenames and locations
 8.2 File suffixes
9 Calibration files
 9.1 The IFU profile
  9.1.1 File format
  9.1.2 Current values
  9.1.3 Measuring the calibration
 9.2 Wavelength calibration
  9.2.1 File format
  9.2.2 Measuring the calibration
10 Index files
11 IFU headers
12 Recipes
 12.1 EXTENDED_SOURCE
 12.2 EXTENDED_SOURCE_NOSTD
 12.3 MAKE_CAL_ARC
 12.4 MAP_EXTENDED_SOURCE
 12.5 MAP_EXTENDED_SOURCE_NOSTD
 12.6 NIGHT_LOG
 12.7 NIGHT_LOG_LONG
 12.8 REDUCE_ARC
 12.9 REDUCE_FLAT
 12.10 REDUCE_SINGLE_FRAME
 12.11 STANDARD_STAR
 12.12 STANDARD_STAR_NOD_ON_IFU