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