def METHOD_NAME(self, M, z):
    """Returns all needed parameter (in physical units modulo h) to draw the profile
    of the main halo r200 in physical Mpc/h rho_s in  h^2/Mpc^3 (physical) Rs in
    Mpc/h physical c unit less.
    :param M: Mass in physical M_sun/h
    :param z: redshift
    """
    c = self.c_M_z(M, z)
    r200 = self.r200_M(M, z)
    rho0 = self.rho0_c(c, z)
    Rs = r200 / c
    return r200, rho0, c, Rs