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SURF - SCUBA User Reduction Facility
1.6
User's manual

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Starlink User Note 216.8
T. Jenness, J. F. Lightfoot
Joint Astronomy Centre, Hilo, Hawaii
3 April 2003

CCLRC / Rutherford Appleton Laboratory
Particle Physics & Astronomy Research Council

Starlink Project

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Abstract
Introduction
Starting up SURF
- Getting help
What data do I have?
Supported Observing Modes
Message filtering
SCUBA sections
Environment variables
- SURF environment variables
- Other useful environment variables
Basic outline of SCUBA data reduction
The data reduction process
- Preliminaries
- Skydips
- Noise measurements
- Common data reduction
- Despiking
  - Manual despiking
  - Automatic despiking
- Map making
- Photometry
  - SURF photometry and KAPPA
- Scan maps
- Polarimetry data reduction
Citing SURF
Future Work
Release Notes
- Changes in Version 1.6-11
- Changes in Version 1.6-10
- Changes in Version 1.6-9
- Changes in Version 1.6-8
- Changes in Version 1.6-7
- Changes in Version 1.6
- Changes in Version 1.5
- Changes in Version 1.4
- Changes in Version 1.3
- Changes in Version 1.2
- Changes in Version 1.1
- Version 1.0-0
Glossary
Bibliography
An alphabetical summary of SURF commands
Classified SURF commands
Complete routine descriptions
- ADD_DBM - Generate a chopped image from a single beam map
- BOLREBIN - Generate a separate regridded image for each bolometer
- CALCSKY - Calculate sky contribution from median image
- CHANGE_DATA - Set SCUBA data to any value
- CHANGE_FLAT - Change the flatfield in a SCUBA datafile
- CHANGE_NACENTRE - Shift the Nasmyth centre of the array
- CHANGE_POINTING - Change the pointing corrections to map data
- CHANGE_QUALITY - Set SCUBA data quality bad or good
- DESPIKE - Despike data by position
- DESPIKE2 - Remove spikes from SCAN/MAP observations
- DSPBOL - Interactive display and despiking
- EXTINCTION - Remove the effect of atmospheric extinction from a SCUBA observation
- EXTRACT_DATA - Write bolometer positions and values to text file
- EXTRACT_FLAT - Extract a flatfield from a SCUBA demodulated data file
- FLATFIELD - Flatfield demodulated SCUBA data
- INTREBIN - Generate a separate regridded image for each integration
- MAPSUM - Produce one-line summary of SCUBA map observations
- OBSSUM - Produce one-line summary of SCUBA observations
- PHOTSUM - Produce one-line summary of SCUBA photometry observations
- PLTBOL - Interactive bolometer display
- POINTSUM - Produce one-line summary of SCUBA pointing observations
- QDRAW - Draw a data set with plus or minus 5 sigma range
- REBIN - Rebin demodulated SCUBA data onto output map
- REDUCE_NOISE - Process demodulated noise data
- REDUCE_SWITCH - reduce the switch sequence for a SCUBA observation
- REMDBM - Remove dual beam signature from scan maps
- REMIP - Remove instrumental polarisation from SCUBA pol data
- REMSKY - Remove sky noise and constant offsets from SCUBA jiggle data
- RESTORE - remove the chopped beam response from SCAN/MAP observations
- RLINPLOT - Interactive display
- SCAN_RLB - Remove baselines from SCAN/MAP data
- SCUBA2MEM - Calculate bolometer positions as tangent plane offsets
- SCUCAT - Concatenate photometry datasets for further processing
- SCUCLIP - Simple sigma clipping for each bolometer
- SCUCLKERR - Determine the possible error in the times stored in the data header
- SCUHELP - Gives help about SCUBA software
- SCULOG - Produce summary of SCUBA observations
- SCUMAKEWT - Create weights array for dual beam deconvolution
- SCUNOISE - Display SCUBA noise data
- SCUOVER - Routine to overlay the bolometer names onto a rebinned image
- SCUPA - Show position angle of array
- SCUPHOT - Reduce SCUBA PHOTOM data
- SCUPLOT - Interactive display and despiking
- SCUQUICK - automate the basic SCUBA data reduction
- SCUSETENV - Set the startup environment variables for SURF
- SCUSHIFT - Correct for data shift error in demodulated data files
- SDIP - Reduces and displays skydip data
- SETBOLWT - Calculate or set bolometer weights
- SIGCLIP - Clip a dataset at n-sigma
- SKYDIP - calculate sky properties from SCUBA skydip data
- SKYSUM - Produce one-line summary of SCUBA skydip observations
Reducing data at the Joint Astronomy Centre
- During Observing
- Hilo
File naming and data structures
- Naming Conventions
- Structure of RO files
- Structure of demodulated files
FITS keywords
- Demodulated data
- Rebinned data
Description of despiking method used by despike
Quality flags
Skydips
- Calibration
- Removing bad skydip data from the fit
Correcting `shifted' data
Notes on scripts
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Next: Abstract

SURF -- SCUBA User Reduction Facility
Starlink User Note 216
T. Jenness, J. F. Lightfoot
Joint Astronomy Centre, Hilo, Hawaii
3 April 2003
E-mail:ussc@star.rl.ac.uk

Copyright © 1997-2000,2003 Particle Physics and Astronomy Research Council

SURF - SCUBA User Reduction Facility 1.6 User's manual

CCLRC / Rutherford Appleton Laboratory Particle Physics & Astronomy Research Council

Starlink Project

Contents

SURF - SCUBA User Reduction Facility
1.6
User's manual

CCLRC / Rutherford Appleton Laboratory
Particle Physics & Astronomy Research Council