The system; a new system for estimating the total magnitudes of galaxies C. Ke-shih Young, N. Metcalfe, Jin Zhu, Hong Wu and Jian-sheng Chen Astron. Astrophys. Suppl. Ser., 130 1 (1998) 173-182 Published online: 15 May 1998 DOI: 10.1051/aas:1998219