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 |
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