in src/api/dataloader.py [0:0]
def _get_coordinates_within_radius(tree: KDTree, coords_list: dict, center: SkyCoord, radius: int):
indices = tree.query_ball_point([center.icrs.ra.deg, center.icrs.dec.deg], radius)
coords_keys = list(coords_list.keys())
return [coords_keys[i] for i in indices]