APH0001342 - what causes the fluctuations at day 25-26?

• by Qwert225

  APH0001342 contains light fluctuations at day 25-26 and I don't know what it means. Some info about this?

  Posted August 14, 2016 11:05 PM

• by zoo3hans

  It seems it's a heavy cosmic ray event.

  Extract from the fits data:
  

  SAP_Quality flags explained below:

  able 2-3 Bits for the QUALITY and SAP_QUALITY data column.

  Bit Value Explanation

  1 1 Attitude Tweak

  2 2 Safe Mode

  3 4 Spacecraft is in Coarse Point

  4 8 Spacecraft is in Earth Point

  5 16 Reaction wheel zero crossing

  6 32 Reaction Wheel Desaturation Event

  7 64 Argabrightening detected across multiple channels

  8 128 Cosmic Ray in Optimal Aperture pixel

  9 256 Manual Exclude. The cadence was excluded because of an anomaly.

  10 512 Reserved

  11 1024 Discontinuity corrected between this cadence and the following one

  12 2048 Impulsive outlier removed after cotrending

  13 4096 Argabrightening event on specified CCD mod/out detected

  14 8192 Cosmic Ray detected on collateral pixel row or column in optimal aperture

  Posted August 16, 2016 9:13 PM