PSR 418-D/1015.3

PSR 418-D/1015.3 was the Federation designation of a rogue pulsar discovered in sector 418-D on stardate 1015.3. This pulsar passed through the Mestiko system in 2264, creating massive destruction to planet Mestiko and the other bodies in the system.

The mar-Atyya group on Mestiko called this pulsar the "Scourer", believing it the fulfiller of prophecies that God would cleanse their planet. (TOS eBook: Mere Anarchy: The Darkness Drops Again)