INNER HELIOSPHERE INSTRUMENT REQUIREMENTS:

INSTRUMENT PARAMETERS:

  • Viewing:

  • Aperture:

  • Efficiency:

120 degrees with 4 degree by 5 degree pixels
0.5 sq.centimeters
1%

NEUTRAL SAMPLING ON RAM PART OF ORBIT:

  • Oxygen:

  • Hydrogen:

200-500 eV
8-16 eV

 800-3000 cts per day
4000-40,000 cts per day
  • Spinning spacecraft (improvement by x20 for pointing)

WEIGHT: 12 kg

TELEMETRY: 10 Bps

POWER: approx. 6 W

RELATED FIGURE:

NEUTRAL IMAGING AND COMPOSITION EXPERIMENT (NICE) FOR THE INNER HELIOSPHERE

See related figures:
Neutral conversion efficiency of BaZrO3 on polished W
Test of the electrostatic lens system|
CODIF Time of Flight section with modifications for positive acceleration HV

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