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ORAC-DR - imaging data reduction
4.1
User Guide
![\includegraphics[width=1.0in]{sun232_logo.eps}](img1.gif)
Starlink User Note 232.8
Malcolm J. Currie
Brad Cavanagh
Joint Astronomy Centre, Hilo, Hawaii
2004 June
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Contents
- Abstract
- Introduction
- Using the pipeline
- Features of the
Primitives
- Customising
Recipes
- Correcting headers
- Acknowledgments
- Copyright and License
- Processing
UKIRT data obtained before 2000 August
- File prefixes
- File suffices
- Recipes
- Classified Recipes
- Reference documentation
- ADDWCS
- Creates the valid WCS in the FITS headers of raw data
- ARRAY_TESTS
- Calculates the readout noises and dark current for UFTI
- BRIGHT_POINT_SOURCE
- Reduces a bright-point-source photometry observation
- BRIGHT_POINT_SOURCE_APHOT
- Reduces a bright-point-source photometry observation and performs
aperture photometry
- BRIGHT_POINT_SOURCE_CATALOGUE
- Reduces a bright-point-source photometry observation, producing
a catalogue of all sources in the field
- BRIGHT_POINT_SOURCE_NCOLOUR_APHOT
- Reduces a multi-colour bright-point-source
photometry observation and performs aperture photometry.
- BRIGHT_POINT_SOURCE_TELE
- Reduces a bright-point-source photometry observation
using telescope offsets for registration.
- CHOP_SKY_JITTER
- Reduction of alternating sky-target jitters using interpolated sky
subtraction
- CHOP_SKY_JITTER_BASIC
- Basic reduction of alternating sky-target jitters using interpolated
sky subtraction
- DARK_AND_BPM
- Measures dark current and creates a new bad-pixel mask for UIST
- DARK_SUBTRACT
- Subtracts a dark frame
- DIFFERENCE_STATS
- Calculates statistics for Michelle darks in a pairwise manner
- EXTENDED_3x3
- Extended-source standard reduction using interpolated sky subtraction
- EXTENDED_3x3_BASIC
- Basic extended-source standard reduction using interpolated sky
subtraction
- EXTENDED_5x5
- Extended-source standard reduction using interpolated sky subtraction
- EXTENDED_5x5_BASIC
- Basic extended-source standard reduction using interpolated sky
subtraction
- FP
- Reduces an 8-frame Fabry-Perot observation
- FP_JITTER
- Reduces spatially jittered sets of 8-frame Fabry-Perot observations
- FP_JITTER_NO_SKY
- Reduces a spatially jittered 4-frame Fabry-Perot observation
- JITTER_SELF_FLAT
- Reduces a ``standard jitter'' photometry observation using object
masking
- JITTER_SELF_FLAT_APHOT
- Reduces a ``standard jitter'' photometry observation using
object masking, and performs aperture photometry
- JITTER_SELF_FLAT_BASIC
- Reduces a ``standard jitter'' photometry observation using
just the basic operations for speed
- JITTER_SELF_FLAT_CATALOGUE
- Reduces a ``standard jitter'' photometry observation using object
masking, and produces a catalogue of all sources in the field
- JITTER_SELF_FLAT_NCOLOUR
- Reduces a multi-colour ``standard jitter'' photometry observation
using object masking
- JITTER_SELF_FLAT_NCOLOUR_APHOT
- Reduces a multi-colour ``standard jitter'' photometry observation using
object masking, and performs aperture photometry
- JITTER_SELF_FLAT_NO_MASK
- Reduces a ``standard jitter'' photometry observation without object
masking
- JITTER_SELF_FLAT_TELE
- Reduces a ``standard jitter'' photometry observation using
object masking, and telescope offsets for registration
- LAMP_FLAT
- Creates and files imaging flat fields derived from a calibration lamp
- MAKE_BPM
- Creates and files a bad-pixel mask from a long-exposure dark
- MEASURE_READNOISE
- Measures and files the readnoise for UIST from a set of dark
frames
- MOVING_JITTER_SELF_FLAT
- Reduces a ``standard jitter'' photometry observation of a
moving target using object masking
- MOVING_JITTER_SELF_FLAT_BASIC
- Reduces a ``standard jitter'' photometry observation of a
moving target using just the basic operations for speed
- MOVING_NOD_CHOP
- Reduces a chopped and nodded observation of a moving target
- MOVING_QUADRANT_JITTER
- Reduces a ``Quadrant Jitter'' observation, of a moving target including
object masking
- NIGHT_LOG
- Produces a text file log of a night's observations
- NOD_CHOP
- Reduces a chopped and nodded observation
- NOD_CHOP_APHOT
- Reduces a chopped and nodded observation, and performs aperture
photometry
- NOD_CHOP_FAINT
- Reduces a chopped and nodded observation of a faint source, combining
images and smoothing
- NOD_CHOP_SCAN
- Reduces a chopped and nodded observation in a scan pattern
- NOD_SELF_FLAT_NO_MASK
- Reduces a ``nod jitter'' observation
- NOD_SELF_FLAT_NO_MASK_APHOT
- Reduces a ``nod jitter'' photometry observation, and performs
aperture photometry
- NOD_SKY_FLAT_THERMAL
- Reduces a ``nod jitter'' observation creating a flat from sky frames
- POL_ANGLE_JITTER
- Reduces an imaging polarimetry observation, where waveplate angle
iterates at each jitter position
- POL_ANGLE_NOD_CHOP
- Reduces a chopped and nodded polarimetry observation, where waveplate
angle iterates at each jitter position
- POL_EXTENDED
- Reduces an imaging polarimetry observation of an extended source
- POL_JITTER
- Reduces an imaging polarimetry observation jittered at each angle
- POL_NOD_CHOP
- Reduces a chopped and nodded polarimetry observation nodded at each
angle
- POL_QU_FIRST_NOD_CHOP
- Reduces a chopped and nodded polarimetry observation, where waveplate
angle iterates in pairs at each jitter position
- QUADRANT_JITTER
- Reduces a ``Quadrant Jitter'' observation, including object masking
- QUADRANT_JITTER_BASIC
- Reduces a ``Quadrant Jitter'' observation, using just the basic
operations for speed
- QUADRANT_JITTER_NO_MASK
- Reduces a ``Quadrant Jitter'' observation without object masking
- QUADRANT_JITTER_TELE
- Reduces a ``Quadrant Jitter'' observation, using object masking,
and telescope offsets for registration
- REDUCE_DARK
- Averages and files observations as the current dark
- REDUCE_FLAT
- Reduces an imaging flat field
- SKY_AND_JITTER
- Reduces a ``combined jitter'' photometry observation
- SKY_AND_JITTER_APHOT
- Reduces a ``combined jitter'' photometry observation, and
performs aperture photometry
- SKY_FLAT
- Creates and files a flat field derived from jittered frames
- SKY_FLAT_FP
- Creates and files a flat field derived from multiples of four frames using
object masking to reduce artifacts
- SKY_FLAT_MASKED
- Creates and files a flat field derived from jittered frames using
object masking to reduce artifacts
- SKY_FLAT_POL
- Creates and files a flat field derived from eight frames using
object masking to reduce artifacts
- SKY_FLAT_POL_ANGLE
- Creates and files flat fields derived from jittered frames
at each waveplate angle, using object masking to reduce artifacts
- Instrument Recipe
Notes
- Internal Headers
- Release Notes--V4.1
- Release Notes--V4.0
- Release Notes--V3.1-1
- Release Notes--V3.0-3
- Release Notes--V2.1-0
- Release Notes--V2.0-1
- About this document ...
Next: Abstract
ORAC-DR -- imaging data reduction
Starlink User Note 232
Malcolm J. Currie
Brad Cavanagh
Joint Astronomy Centre, Hilo, Hawaii
2004 June
E-mail:ussc@star.rl.ac.uk
Copyright © 2004 Particle Physics and Astronomy Research Council