GSCENTY

[arcsec] GuideStar y centroid (FGS ideal frame)

Guide star centroid y position in FGS ideal coordinate frame (arcsec). Science Data Processing code (SDP) calculates this from the guide star position at the actual time of exposure from centroid data in the ACS (ENG telemetry).

Attribute Value
data type float
enumerated Values not defined
units arcsec
example
default value
special processing OPTIONAL
source Engineering Service
software source
calculation calculated by SPD; averaged over exposure
DB destination ['GuideStar.gscenty']
data type in DB float
instrument Multiple
mode All
product level 1b
FITS hdu PRIMARY
FITS header section Guide star Information