make_3C_file

Radio_Astronomy.vla_cal.make_3C_file(url='http://www.vla.nrao.edu/astro/calib/manual/csource.html')

Makes VLA calibrators 3C pickle file.

The 3C names are the keys. The data for each key is a list with formatted J2000 right ascension and declination, and the IAU name.

:param url : location of the VLA calibrator database :type url : str

Returns

True