JWST_DX

[km/s] barycentric JWST X velocity at MJD-AVG

Barycentric X component of the JWST velocity vector, in km/sec, at the mid-point of the exposure.

Attribute Value
data type float
enumerated Values not defined
units km/sec
example 42.0
default value
special processing VALUE_REQUIRED
source Science Data Processing (SDP)
software source
calculation The JWST_DX barycentric value is obtained by converting the geocentric value (in km/s) to the barycentric frame. See OBSGEODX for details on the geocentric value.
DB destination ['ScienceCommonExt.jwst_dx', 'GuideStarExt.jwst_dx']
data type in DB float
instrument ALL
mode All
product level 1b
FITS hdu SCI
FITS header section Ephemeris