Bhagavatapurana 9.7.21

9.7.21

śunaḥśephaṃ paśuṃ pitre pradāya samavandata /
tataḥ puruṣamedhena hariścandro mahāyaśāḥ //

21. & 22. Rohita bowed to his father offering Sunassepa to be used as the sacrificial animal in his place; then Harischandra of great renown and sung in the assemblies of the great was free from the disease and proceeded to worship Varuṇa and the other gods with a human sacrifice: there Viswamitra possessed of self-control became the *Hota* and *Jamadagni* (one possessed of self-control) Adhvaryu.