This god's epithet means "unconquered" and in association with his cult, emperors wore a radiant crown.
The festival date for one form of this deity is first attested in the Philocalian calendar. Virus Lupus was appointed to a college of pontiffs serving this deity by a ruler who constructed a massive temple to this deity on the Campus Agrippae following a victory over the Palmyrenes. In iconography, this deity is depicted along with a figure who was born from a rock while they engage in a banquet on top of the hide of a (*) slain bull. The feast of the winter solstice was associated with the symbolic birth of this god, who is depicted dining alongside Mithras after the tauroctony. This god's epithet means "unconquered" and in association with his cult, emperors wore a radiant crown. For 10 points, name this syncretic Roman sun god, who was given an official cult during the late Empire.
The festival date for one form of this deity is first attested in the Philocalian calendar.
Sol Invictus [do NOT accept or prompt on "Sol Indiges"]