calculate_theta
- pyirf.utils.calculate_theta(events, assumed_source_az, assumed_source_alt)[source]
Calculate sky separation between assumed and reconstructed positions.
- Parameters:
- eventsastropy.QTable
Astropy Table object containing the reconstructed events information.
- assumed_source_az: astropy.units.Quantity
Assumed Azimuth angle of the source.
- assumed_source_alt: astropy.units.Quantity
Assumed Altitude angle of the source.
- Returns:
- theta: astropy.units.Quantity
Angular separation between the assumed and reconstructed positions in the sky.