... 3 - V eff ~ 10 5 - SN1987 A Markarian 501 136 Mpc 1013 eV Lint ~ 70 Mpc ! . . .. .. .. -2010 ? ? ,. ...
24. http://star.arm.ac.uk/nibulletin/2013/Apr17.html
... http://www.bbc.co.uk/news/science-environment-22162806 . http://www.huffingtonpost.co.uk/2013/04/16/markarian-421-blazar-erup_n_3090561.html . ...
25. ADASS 2003 Conference Proceedings
... In addition, Seyferts, LINERs, and active galaxies with some peculiarities are included as minor groups of KUGs, being a fainter extension of Markarian galaxies. ...