extract_header_value¶
- kgpy.io.fits.extract_header_value(hdu, key)¶
From an array of HDUs and a fits header keyword, make an array with the value of the keyword as each element. :type hdu:
numpy.ndarray:param hdu: An astropy.io.fits.PrimaryHDU array :type key:str:param key: A fits keyword :rtype:numpy.ndarray:return: An array of the value of the fits keyword for every element in hdu.