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TM figures

Allocated TM20.5 kbits/s 
Download capacity per orbit6.642 GB= 53.136Gbits

Subtelescopes/units that can be commanded independently

SoloHI consists of 1 white-light telescope with wide FOV. However, data can be read out either from the whole detector or from well-defined subfields:

 detector size (radial x transverse)FOV (radial x transverse)TM/raw imagecompression rates
SoloHI Full frame image

3968 px * 3968 px

5º-45º x 5º-45º (40ºx40º)

SoloHI inner FOV subframe image

192 px * 512 px

5.8º-7.68º x 5º (1.88ºx5º)

13.5º-15.38º x 5º

18.5º-20.38º x 5º

Radial Swath subframe image

3968 px * 512 px

5º-45º x 5º (40ºx5º)  

Observational modes

Main science programs

source: SoloHI UM - SSD-DOC-SOLOHI-013 Rev. B draft 5 

The SoloHI baseline observing program will be defined to repeat for each occurrence of the same unique orbit (i.e. each orbit of the trajectory within the same resonance with Venus). Therefore, a SoloHI baseline observing program will be defined for each orbit phase in NMP/EMP and will be executed for all orbits within that resonance. 

Example of such an orbit plan is below:

Observing modes - Example plan Use case#images / dayScience data volume / daySoloHI data rateObserving duration / orbit 
    (Gbits) estimate(kbits/s)(days) example
Perihelion programs: 0.28-0.29 AU    

SoloHI Solar Wind Turbulence @perihelion



SoloHI Shock Formation @perihelion


Near-Perihelion programs: 0.29-0.36 AU    
SoloHI Near-perihelion Synoptic Program  3481.6920.35
SoloHI Solar Wind Turbulence Near-perihelion  7501.9423.22
SoloHI Shock Formation Near-perihelion  5162.4529.32
Far-Perihelion programs: 

0.36-0.42 AU

SoloHI Far-Perihelion Synoptic Program  1321.6419.77
Southern Out-of-ecliptic programs: 0.5-0.7 AU    
SoloHI Southern Synoptic Program  1040.8410.38

(star) Probably dependent on the trajectory


Examples of more-detailed observing program for 1 type of orbit during the mission:

SoloHI concept study report Dec 2011, needs update!


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