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Instrument details
Acronym
MUSE
Full name
Monitor of Ultraviolet Solar Energy
Purpose
To observe time variations of the UV solar radiation
Short description
UV radiometer operating in five channels: 121.6 nm (H Lyman-alpha), 180 nm, 210 m, 260 nm and 280 nm, indicative of several processes in the solar chromosphere and photosphere
Background
The channels in the unit of Nimbus-4 were slightly different from those on Nimbus-3: channels 210 and 280 nm replaced 160 and 200 nm, that did not work properly
Scanning Technique
Sun pointing from a sunsynchronous orbit
Resolution
N/A (full disk)
Coverage / Cycle
Full disk in 50 s
Mass
Power
Data Rate
Providing Agency
NASA
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
1969 to 1972-01-22
Last update:
2017-05-19
Detailed characteristics
Satellites this instrument is flying on
Note: a red tag indicates satellites no longer operational, a
green tag indicates operational satellites, a blue tag indicates
future satellites
Instrument classification
Solar and space environment monitors Solar activity monitor
WIGOS Subcomponents
No WIGOS subcomponents have been defined.
Mission objectives
Tentative Evaluation of Measurements
The following list indicates which measurements can typically be
retrieved from this category of instrument. To see a full Gap Analysis by Variable,
click on the respective variable.
Note: table can be sorted by clicking on the column headers
Variable Relevance for measuring this variable Operational limitations Explanation
Solar Lyman-alpha flux 2 - very high No specific limitation. H-Ly-alpha at 121.6 nm (EUV/UV boundary)
Solar UV flux 2 - very high No specific limitation. Several channels, moderate dynamic range
Instrument: MUSE