calc_pointing_deltas

romancal.orientation.pointing_summary.calc_pointing_deltas(model)[source]

Calculate pointing deltas.

Parameters:

model (roman_datamodel.datamodels.RomanDataModel) – The model to check pointing information in.

Returns:

delta – A namedtuple with the following keys. If for some reason a value could not be determined, None is given.

  • ’target’: SkyCoord of the target.

  • ’v1’: SkyCoord of V1.

  • ’refpoint’: SkyCoord of the reference point.

  • ’delta_v1’: Difference between V1 and proposed TARGET.

  • ’delta_refpoint’: Difference between reference pixel pointing and TARGET.

Return type:

Delta