In file [`scanning.py`](https://github.com/litebird/litebird_sim/blob/c83089efeb9e7340a4df750bb55ca86c2bbe11a3/litebird_sim/scanning.py#L382) there is a wrong usage of the `numpy.arctan2` function, as x and y coordinates are reversed.
In file
scanning.pythere is a wrong usage of thenumpy.arctan2function, as x and y coordinates are reversed.