ORAC-DR – Submm heterodyne pipeline data reduction

SUN/260.1

Starlink Project
Starlink User Note 260.1

Brad Cavanagh
Joint Astronomy Centre

June 2008

1.0

User Guide

Abstract

ORAC-DR is a general-purpose automatic data-reduction pipeline environment. This document describes its use to reduce heterodyne data collected at the James Clark Maxwell Telescope (JCMT).

1 Introduction
2 Running ORAC-DR
3 ACSIS Data
4 An overview of the reduction
4.1 Pointing observations
4.2 Focus observations
4.3 Flux calibrator observations
4.4 Line source science observations
4.5 Continuum source science observations
5 Displaying reconstructed cubes and images
6 Variance propagation
7 Data files
7.1 Filenames and locations
7.2 File suffixes
A Recipes
B Main Recipes

CADC_REDUCE_OBS – Reduce OBS products for CADC

CONVERT_TO_FITS – Test recipe

GENERATE_CUBE – Generate a cube from raw data

NO_OP – No operation recipe

REDUCE_CUBE – alias for REDUCE_SCIENCE

REDUCE_DAS – reduce das files

REDUCE_FOCUS – Reduce a heterodyne focus observation

REDUCE_PLANET_SAMPLE – reduce a planetary calibrator

REDUCE_POINTING – Reduce an ACSIS pointing observation

REDUCE_SCIENCE – alias for REDUCE_SCIENCE_GRADIENT

REDUCE_SCIENCE_BROADLINE – Reduce a broadline ACSIS science observation

REDUCE_SCIENCE_BROADLINE_CONTINUUM – alias for REDUCE_SCIENCE_CONTINUUM

REDUCE_SCIENCE_BROADLINE_POL – Reduce an ACSIS science polarimetry observation

REDUCE_SCIENCE_BROADLINE_QA – Reduce a broadline ACSIS science observation

REDUCE_SCIENCE_CONTINUUM – Reduce an ACSIS science observation, without baselining

REDUCE_SCIENCE_CONTINUUM_POL – Reduce an ACSIS science polarimetry observation

REDUCE_SCIENCE_CONTINUUM_QA – Reduce an ACSIS science observation, without baselining

REDUCE_SCIENCE_FSW – Reduce an ACSIS narrow-line science observation using advanced algorithms

REDUCE_SCIENCE_GRADIENT – Reduces an ACSIS science observation using advanced algorithms

REDUCE_SCIENCE_GRADIENT_POL – Reduce an ACSIS science polarimetry observation

REDUCE_SCIENCE_LEGACY – Reduces an ACSIS narrow-line science observation using advanced algorithms for the tiled public release

REDUCE_SCIENCE_LINEFOREST – Reduce an ACSIS lineforest science observation using advanced algorithms

REDUCE_SCIENCE_LINEFOREST_POL – Reduce an ACSIS science polarimetry observation

REDUCE_SCIENCE_NARROWLINE – Reduces an ACSIS narrow-line science observation using advanced algorithms

REDUCE_SCIENCE_NARROWLINE_CONTINUUM – alias for REDUCE_SCIENCE_CONTINUUM

REDUCE_SCIENCE_NARROWLINE_POL – Reduce an ACSIS science polarimetry observation

REDUCE_SCIENCE_NARROWLINE_QA – Reduce a narrowline ACSIS science observation

REDUCE_SCIENCE_POL – Reduce an ACSIS science polarimetry observation

REDUCE_SCIENCE_QA – Reduce an ACSIS science observation

REDUCE_SCIENCE_SELFBL – Reduce an ACSIS science observation using user-defined baseline regions

REDUCE_SKYDIP – not yet implemented

REDUCE_STANDARD – reduce a flux standard

REDUCE_STANDARD_POL – Reduce a standard calibration polarimetry observation

C Quick Look Recipes

REDUCE_SCIENCE_BROADLINE_QL – alias for REDUCE_SCIENCE_GRADIENT_QL

REDUCE_SCIENCE_CONTINUUM_QL – alias for REDUCE_SCIENCE_GRADIENT_QL

REDUCE_SCIENCE_GRADIENT_QL – QuickLook reduction of an ACSIS obs

REDUCE_SCIENCE_LINEFOREST_QL – alias for REDUCE_SCIENCE_GRADIENT_QL

REDUCE_SCIENCE_NARROWLINE_QL – alias for REDUCE_SCIENCE_GRADIENT_QL

D Summit Recipes

REDUCE_SCIENCE_BROADLINE_SUMMIT – Reduce a broadline ACSIS science observation

REDUCE_SCIENCE_CONTINUUM_SUMMIT – Reduce an ACSIS science observation, without baselining

REDUCE_SCIENCE_FSW_SUMMIT – for unknown purposes

REDUCE_SCIENCE_GRADIENT_SUMMIT – Reduce an ACSIS science observation

REDUCE_SCIENCE_LINEFOREST_SUMMIT – alias for REDUCE_SCIENCE_GRADIENT_SUMMIT

REDUCE_SCIENCE_NARROWLINE_SUMMIT – Reduce an ACSIS science observation

Abstract

Contents