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InstrumentOperatingModes Terms for things about an instrument that can be…
InstrumentOperatingModes
Terms for things about an instrument that can be configured in various ways. Instrument Terminology describes the parts of an instrument, this describes their configuration options.
Heliophysics
HEK
IRIS
RasterParams
Each of the subtypes here are ranges with a min and max value.
Raster
FOVY
Cadence
Count
FOVX
RasterStep
Count
Stepsize
Cadence
StepSize
Channel
On any timestep each of these are acquired
far-UV
1331-1358 Angstrom
1390-1407 Angstrom
near-UV
SlitJawImagerPassband
There are 4 of these but only 1 is taken on any given timestep
1330 Angstrom
1400 Angstrom
2796 Angstrom
2831 Angstrom
ExposureTime
Exposure times can be set to 0.5, 1, 2, 4, 8, 15, 30 and 60 seconds.**
RollAngle
The slit can be oriented +/- 90 degrees from the normal solar north south position.
AbsoluteValue
Degrees
SlitJawImager
All children have ranges on query
FOV
FovX
FovY
Cadence
1330
1400
2796
2832
Linelist
Used to limit the telemetry rate by only reading out part of the spectra acquired during a timestep. This affects the timestep cadence that is possible. Choices are:
Large linelist
Medium Linelist
Small Linelist
Flare Linelist
Full readout
Summing
IRIS can do onboard spatial and/or spectral summing and has a special FUV channel summing mode.
Spatial
Spectral
FUVSpec
Compression
Either lossy or lossless compression can be planned in order to affect the bandwidth needed to downlink the data
SOT
Band
are Na I, Ca H, Gband, Blue, Green, Red, CN
Cadence
The time in seconds between images for a band.
VWO
ActiveInstrumentAttribute
These vary by instrument. There are at least 4 instruments that can be selected: IMAGE, ISIS1, ISI2, and GIRO.
HDP
Cadence
Number of seconds between readings. Finds data which has cadence less than, equal to, or greater than the user specified number of seconds.
PDS
Imaging Node
ImageAtlas
OrbitMission
SlewAngle
SmearAzimuth
TwistAngle
NorthAzimuth
Can an instrument set this?
Geoscience Node
Analyst Notebook
OpsToken
In the Phoenix notebook the Ops Token is an eight-digit hexadecimal number comprised of two parts. The first four digits are the Activity ID as set by PSI. The second four digits are instrument-specific and are assigned by the instrument teams.
Sequence
Command Sequence IDs reference the set of commands that produce one or more data products. Select a sequence from the drop down list which contains only sequences that match any other filters that are set.
Filter
The Perseverance Notebook allows the user to restrict data to only that where particular filters were used. There are 4 sets of filters that vary by the instrument (camera) chosen. Some filters apply to a whole image.
TEST Data Tool
TES data is stored in tables at ASU and can therefore be queried like any other table data (i.e., down to the individual cell)
Scan Length
Indicates whether the data is obtained in 5 or 10 wavenumber (1 over the wavelength) spacing. Options are:
Single Length
Double Length
Both
Ring-Moon Systems Node
OPUS3
Lesser Size in Pixels
The length in pixels of the shortest edge of an image. Depending on the instrument this may either be fixed or programmable.
Greater Size in Pixels
The length in pixels of the longest edge of the image. Depending on the instrument this may either be fixed or programmable.
Intensity Levels
Indicates how many bits are reserved for intensity data (e.g. 4-bit, 8-bit, 12-bit, etc.). Depending on the instrument this may be fixed or programmable.
Exposure Duration
The time interval between the opening and closing of an instrument aperture. May be fixed or programmable.
PolarizationType
The type of polarization detected by the instrument. Depending on the instrument this may be programmable (i.e., swap a polarization filter in or out). Values are:
Linear
None
Spectrum Size
Indicates how many distinct wavelength or wavelength bins are in the spectrum. Users may specify a range in sizes.
EarthScience
ASF
Vertex
Polarization
Depending on the instrument, up to 9 different polarization patterns could have been planned.
Direction
In processing SAR data, the direction that the satellite was traveling affects the overlay of the data returned (i.e., what slope features are visible or hidden).
BeamMode
Depending on the instrument, data acquisition in anywhere from 1 to 23 different beam modes (with different swath widths, resolutions, etc.) could have been planned.
API
offNadirAngle
Only relevant for ALOS PALSAR. The possible values are 9.7, 9.9, 13.8, 14, 16.2, 17.3, 17.9, 18, 19.2, 20.5, 21.5, 23.1, 24.2, 24.6, 25.2, 25.8, 25.9, 26.2, 27.1, 28.8, 30.8, 34.3, 36.9, 38.8, 41.5, 43.4, 45.2, 46.6, 47.8, 49, 50, 50.8
lookDirection
Which side of the spacecraft was data taken on (right or left)
beamMode
The beam mode used to acquire the data. See also beamSwath.
beamSwath
BeamSwath encompasses a look angle and beam mode.
lookDirection
Was the instrument looking to the left or the right of the flight direction.
polarization
A property of SAR electromagnetic waves that can be used to extract meaningful information about surface properties of the earth. The values available depend on the instrument.