def computeOddEvenModels(time, flux, per, epo):
	gdOdd = {'period':	per * 2,
			 'T0':		epo}
	gdEven = {'period':	per * 2,
			  'T0':		epo + per}
	freeParPlanet = ['rprs']
	fitT_odd = fitModel(time, flux, gdOdd, freeParPlanet)
	fitT_even = fitModel(time, flux, gdEven, freeParPlanet)
	return fitT_odd, fitT_even