calculate_source_fov_offset
- pyirf.utils.calculate_source_fov_offset(events, prefix='true')[source]
Calculate angular separation between true and pointing positions.
- Parameters:
- eventsastropy.QTable
Astropy Table object containing the reconstructed events information.
- prefix: str
Column prefix for az / alt, can be used to calculate reco or true source fov offset.
- Returns:
- theta: astropy.units.Quantity
Angular separation between the true and pointing positions in the sky.