Defines a catch-all class for useful constants. These are meant to be values that are not available elsewhere, such as astropy.constants.
Copyright © 2019, SDSS-IV/MaNGA Pipeline Group
- class mangadap.util.constants.DAPConstants
Defines the following set of constants:
- rad2arcs = 206264.80624709636
Conversion factor from radians to to arcseconds.
- sidereal_year = 31558175.779
Length of a sidereal year (1.0000385 Gregorian years) in seconds.
- sig2fwhm = 2.3548200450309493
Conversion factor from the standard deviation, \(\sigma\), of a Gaussian to its full-width at half maximum (FWHM).