April 13 PM: Test Effect when ACS Held in Dolly/Diamond

• Configuration:

  • Mounting: ACS in Handling Dolly in Diamond Orientation
  • Cooling: Chillers
  • Optical Source: HRC: Coronagraph
  • Starting Temp: Ambient, ACS off for few hours during relocation to dolly

• Figures:

  • Stability track: ( GIF, Postscript )
  • Temperature data: ( PDF 122kb )

• Results:

  • Small motion seen during instrument warm-up
  • Chillers on to 14C causes noticeable transient, but otherwise does not seem to change warm-up trend
  • Chillers off does not change the warm-up trend
  • HRC motion is this test is different: downward as looking into aperture