Rishi: Traditionally attributed within the Pavamāna Soma corpus (RV 9) to Soma-pavamāna seers; specific ṛṣi for 9.61 is transmitted in Anukramaṇī traditions (commonly within the Kaśyapa/others pavamāna attributions), but not recoverable from the provided input alone.
Devata: Soma Pavamāna (purifying Soma)
Chandas: Jagatī (typical for many RV 9 stanzas; exact meter should be verified against pada syllable count)