The local supernova magnitude used is M_B=-18.86-5*alog10(75)

m_R=M_B+5*alog10((3.*10.^5)/q^2*(1-q+q*z+(q-1)*sqrt(2*q*z+1)))+kcorr

z=     0.458000  kcorr=    -0.704934
q_0=   -0.0833333 m_R=      22.2482
q_0=    0.0100000 m_R=      22.1943
q_0=     0.500000 m_R=      21.9448
 
z=     0.374000  kcorr=    -0.581553
q_0=   -0.0833333 m_R=      21.8455
q_0=    0.0100000 m_R=      21.8001
q_0=     0.500000 m_R=      21.5987
 
z=     0.420000  kcorr=    -0.654789
q_0=   -0.0833333 m_R=      22.0716
q_0=    0.0100000 m_R=      22.0216
q_0=     0.500000 m_R=      21.7938
 
z=     0.354000  kcorr=    -0.552069
q_0=   -0.0833333 m_R=      21.7349
q_0=    0.0100000 m_R=      21.6939
q_0=     0.500000 m_R=      21.5015
 
z=     0.372000  kcorr=    -0.575639
q_0=   -0.0833333 m_R=      21.8377
q_0=    0.0100000 m_R=      21.7913
q_0=     0.500000 m_R=      21.5923
 
z=     0.425000  kcorr=    -0.661628
q_0=   -0.0833333 m_R=      22.0955
q_0=    0.0100000 m_R=      22.0451
q_0=     0.500000 m_R=      21.8144
 
z=     0.378000  kcorr=    -0.588494
q_0=   -0.0833333 m_R=      21.8659
q_0=    0.0100000 m_R=      21.8222
q_0=     0.500000 m_R=      21.6164