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Our opinion of the nature of the sixteenth magnitude faint blue "star," Tonantzintla 202, has varied considerably. Found by Iriarte and Chavira (1957), it proves to be a quasi-stellar object with a redshift 2 = 0.366. The first spectrum of the object, primefocus plate number N1103 by Greenstein on June 22/23, 1960, seems to be the first spectrum ever taken of a quasi-stellar object. He classified it as possibly that of an old nova, with weak, very broad emission and absorption lines. It isdoi:10.1086/128980 fatcat:cfrkf4grzffynpaltefz2npmky