update_pointing#

aiapy.calibrate.update_pointing(smap, *, pointing_table=None)[source]#

Update the pointing information in the input map header.

This function updates the pointing information in smap by updating the CRPIX1, CRPIX2, CDELT1, CDELT2, CROTA2 keywords in the header using the information provided in pointing_table.

Note

The method removes any PCi_j matrix keys in the header and updates the CROTA2 keyword.

Warning

This function is only intended to be used on level 1 images, including cutouts/submaps. This function should be applied before rotating, resampling, rebinning, or interpolating the map in any way.

Parameters:

smap (AIAMap) – Input map.
pointing_table (QTable) – Table of pointing information. You can get this table by calling aiapy.calibrate.utils.get_pointing_table.

Returns:

Updated map with pointing information.

Return type:

AIAMap