UBV photometry of Seyfert galaxies. I. MCG 8-11-11 and Markaryan 6

H. R. Miller, Astrophys. J.,227, 52 (1979). N. E. Kurochkin, Perem. Zv.,21, 66 (1978). C. Lloyd, Mon. Not. R. Astron. Soc.,209, 697 (1984). H. Tananbaum, G. Peters, W. Forman, R. Giacconi, G. Jones, and Y. Avni, Astrophys. J.,223, 74 (1978). R. F. Mushotzky and F. E. Marshall, Astrophys. J.,239, L5 (1980). N. Marshall, R. S. Warwick, and K. A. Pounds, Mon. Not. R. Astron. Soc.,194, 987 (1981). É. E. Khachikyan and D. Weedman, Astrofizika,7, 389 (1971). S. I. Neizvestnyi, Soobshch. Spets. Astrofiz. Obs. Akad. Nauk SSSR,50, 74 (1986). V. M. Lyutyi, Soobshch. Gos. Astron. Inst. P. K. Shternberg, No. 172, 30 (1971). V. Yu. Terebizh, Astron. Tsirk., No. 1188, 3 (1981). V. M. Blanco, S. Demers, G. G. Douglass, and M. P. Fitzgerald, Publ. US Naval Obs.,21 (1968). S. I. Neizvestnyi, Soobshch. Spets. Astrofiz. Obs. Akad. Nauk SSSR,51, 5 (1986). A. Tennant and R. F. Mushotzky, Astrophys. J.,264, 92 (1983). D. R. Altschuler and J. F. C. Wardle, Mon. Not. R. Astron. Soc.,82, 1 (1976). D. Clarke and B. G. Stewart, Vistas Astron.,29, 27 (1986). G. V. Zaitseva, Astrofizika,25, 471 (1986). J. Choloniewski, Acta Astron.,31, 293 (1981). V. A. Gagen-Torn, Astrofizika,22, 449 (1985).