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Co-observation with Earth-based and in orbit close to the Earth observatories (e.g. Hinode, SDO, IRIS etc.) is also a priority.

 

Default SOOP duration: 6 hours

Pointing requirements: East or West limb.

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Observations requirement (baseline)


InstrumentModeComment
SPICE (leads)
  • Limb raster (3.2 hours).
  • Spectral Atlas (1.4 hours)
  • Supporting Spectral Atlas (20 min) – this is used only if time is available

Slit: 4" slit

Exposure time: 60 s for Limb raster;120 s for Spectral Atlas; 60 s for Supporting Spectral Atlas.

FOV: 12.8×11' for Limb raster; 2'×11' for Spectral Atlas; 0.6'×11' for Supporting Spectral Atlas

Number of repetitions of the study: once for Limb raster, twice for Spectral Atlas.

Observation time: minimum 6 hours

Main spectral line list (profiles):

  • Mg IX 70.6 nm
  • Ne VIII 77.0 nm
  • Ne VIII 78.0 nm
  • S V 78.6 nm
  • O IV 78.7 nm
  • C III 97.7 nm
  • Ly-Beta 102.5 nm
  • C III 97.7 nm
  • O VI 103.2 nm
  • O VI 103.7 nm

For the Spectral Atlas the full spectrum is available.

EUI

EUV & LYA Coronal hole modes (C) with HRI, 5-20 s cadence

FSI Synoptic mode (S) with FSI


PHI

HRT 60 mins cadence
SoloHI


Depending on orbital configuration


STIXSTIX Normal Mode
MetisNo Metis as offpointing to the limb unless within its constraint (>0.5 AU)
EPDNormal Mode
MAGNormal Mode
RPWDetection Mode
SWANormal Mode

Science objectives


SAP objectiveTargetDurationOpportunity
(e.g., orbital requirements, solar cycle phase, quadrature ...)

Operational constraints 

Additional comments

1.2.2 What mechanisms heat and accelerate the solar wind?

East or West limb, possibly close magnetic loops, helmet streamers 6 hours

Earth in quadrature with Solar Orbiter.

Different phases of solar cycle.



3.2.0 What controls the escape of the particles to the heliosphere?

East or West limb, possibly erupting AR close to the limb

6 hours

Earth in quadrature with Solar Orbiter.

WOLs and PASS.

Modelling to find best candidate source regions. 

Mosaic to map larger region for maximise the linkage with the source on the Sun.

Radial or quadrature alignment with SPP is a plus.

3.2.1 How do energetic particles scatter and move along the interplanetary magnetic field?

East or West limb, possibly erupting AR close to the limb

6 hours

Earth in quadrature with Solar Orbiter.




Instances run / planned

LTP9 (run):

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