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Instrument details
Acronym
ACRIM-I
Full name
Active Cavity Radiometer Irradiance Monitoring - I
Purpose
Total solar irradiance monitoring
Short description
Assemblage of 3 active cavity radiometers, spectral range 0.15-5.0 µm
Background
Flown on the Solar Maximum Mission (SSM) in association with a package of instruments for Space Weather (solar activity monitoring)
Scanning Technique
Sun pointing during orbital movement, data sampled each 2 min
Resolution
N/A
Coverage / Cycle
One measurement after integration on all data taken during the diurnal orbit arc; thus 100 min
Mass
13 kg
Power
10 W
Data Rate
600 bps
Providing Agency
NASA
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
1980 to 1989-11-24
Last update:
2012-06-12
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
Earth observation instrument Passive optical radiometer or spectrometer Solar irradiance 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
Instrument: ACRIM-I