Table 2.

OSCAR instrumentation.

Instrument (Heritage) Measurement Ranges Resolution Sampling rate Necessary development Mass (kg) Power (W)
2× MAG (SolO MAG) Interplanetary B-field vector ±200 nT 0.1 nT 1/16 s No changes 1.9a (per unit) 1.5a (per unit)
SWPM (STEREO SWEA ACE SWEPAM + ACE SWICS) SW protons, alphas, 0.26–36 keV/q 5% (ΔE/E) 1 min Minor changes 11.3b,c 8.7b,c
SW electrons 1 eV–3 keV 17% (ΔE/E) 2 s
SW C, O, Si, Fe ions 0.49–100 keV/nuc 6.5% (ΔE/E) 12 min
EPM (ACE EPAM) Low energy protons, alpha particles 46 keV–4.8 MeV 8 ch. log scale: 11 keV–2.8 MeV 1 min Minor changes 12.8b 3.8b
High energy electrons 40 keV–350 keV 4 ch. log scale: 17 keV–175 keV 1 min
PIM (SolO PHI) B-field vector at photosphere FOV: Full solar disk λ: 617.3 nm 2048 × 2048 pix 720 km 45–60 s Major changes 29.9*,d 28.3*,d
EUVARI (New) EUV images FOV: Full solar disk λ: 9.4, 17.1, 21.1 nm T: 6, 0.6, 2 MK 4096 × 4096 pix 500 km 5 s New development 23.5*,d 18.0*,d
COR (STEREO COR 2) Thompson Scattered light FOV: 2–15 R λ: visible light 1024 × 1024 15 arcsec/pix 15 min No changes 11.0e 15.0e,f
HI 1+2 (STEREO HI 1+2) Thompson Scattered light FOV: 12–277 R λ: visible light 1024 × 1024 70–240 arcsec/pix 1 h/2 h No changes 15.0e,f 15.0e,f

Estimates from similar instruments.


Solar Orbiter Red book


Hancock, private communications.

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