def get_band(cls, b, **kwargs):
        """Defines what a "shortcut" band name refers to.

        """
        phot = None

        # Default to SDSS for these
        if b in ['u','g','r','i','z']:
            phot = 'SDSSugriz'
            band = 'sdss_{}'.format(b)
        elif b in ['U','B','V','R','I','J','H','Ks']:
            phot = 'UBVRIJHKsKp'
            band = b
        elif b=='K':
            phot = 'UBVRIJHKsKp'
            band = 'Ks'
        elif b in ['kep','Kepler','Kp']:
            phot = 'UBVRIJHKsKp'
            band = 'Kp'
        elif b in ['W1','W2','W3','W4']:
            phot = 'WISE'
            band = b
        elif re.match('uvf', b) or re.match('irf', b):
            phot = 'HST_WFC3'
            band = b
        else:
            m = re.match('([a-zA-Z]+)_([a-zA-Z_]+)',b)
            if m:
                if m.group(1) in cls.phot_systems:
                    phot = m.group(1)
                    if phot=='LSST':
                        band = b
                    else:
                        band = m.group(2)
                elif m.group(1) in ['UK','UKIRT']:
                    phot = 'UKIDSS'
                    band = m.group(2)
        if phot is None:
            raise ValueError('Dartmouth Models cannot resolve band {}!'.format(b))
        return phot, band
Defines what a "shortcut" band name refers to.