ccdproc.gain_correct(ccd, gain, gain_unit=None, add_keyword=True)[source]

Correct the gain in the image.


ccd : CCDData

Data to have gain corrected.

gain : Quantity or Keyword

gain value for the image expressed in electrons per adu.

gain_unit : Unit or None, optional

Unit for the gain; used only if gain itself does not provide units. Default is None.

add_keyword : str, Keyword or dict-like, optional

Item(s) to add to metadata of result. Set to False or None to completely disable logging. Default is to add a dictionary with a single item: The key is the name of this function and the value is a string containing the arguments the function was called with, except the value of this argument.


result : CCDData

CCDData object with gain corrected.