3C 273 - half a century later
Slavcheva-Mihova, L. · Mihov, B. · Iliev, I.
Original · EN
We have presented an optical monitoring of 3C 273, the first quasar discovered fifty years ago. It does not show variability both on intra-night and long-term time scales. To facilitate the further monitoring of 3C 273, we compiled the available calibrations of the comparison stars in its field into a mean sequence.
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