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Instrument details
Acronym
SOVAP
Full name
Solar Constant Variability, Picard
Purpose
Sun observation, Space weather - Monitoring from a terrestrial orbit
Short description
Differential absolute solar radiometer (2 cavities) to provide high absolute accuracy (± 0.1%) coupled with a bolometric sensor for relative measurements at high temporal resolution (10 s).
Background
New development
Scanning Technique
Sun pointing
Resolution
N/A
Coverage / Cycle
Near-continuous from the dawn-dusk orbit, at 3-min intervals
Mass
11.5 kg
Power
10.5 W
Data Rate
40 bps
Providing Agency
CNES
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
2010-10-08 to 2014-04-04
Last update:
2021-09-29
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
Subcomponent 1 TSI and SSI radiometers (for solar irradiance)
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: SOVAP