mangadap.util.constants module¶

Defines a catch-all class for useful constants. These are meant to be values that are not available elsewhere, such as astropy.constants.

Revision history¶

28 May 2015: Original implementation by K. Westfall (KBW)

01 Jun 2017: (KBW) Changed attributes to class globals

class mangadap.util.constants.DAPConstants[source]¶

Bases: object

Defines the following set of constants:

sig2fwhm¶

Conversion factor from the standard deviation, \(\sigma\), of a Gaussian to its full-width at half maximum (FWHM).

Type:	float

rad2arcs¶

Conversion factor from radians to to arcseconds

Type:	float

sidereal_year¶

Length of a sidereal year (1.0000385 Gregorian years) in seconds.

Type:	float