Śatapatha Brāhmaṇa ("of a hundred paths") 9.3.1.26

9.3.1.26

sa juhoti | śukrajyotiśca citrajyotiśca satyajyotiśca jyotiṣmāṃśceti nāmānyeṣāmetāni maṇḍalamevaitatsaṃskṛtyāthāsminnetānraśmīnnāmagrāham pratidadhāti

He offers (the first Mâruta cake), with (Vâg. S. XVII, 80), 'The clear-lighted, and the bright- lighted, and the true-lighted, and the light, and the clear, and the law-observing, and the sinless one!'--these are their names: having completed that disk (of the sun, in the shape of the Vaisvânara), he bestows those rays on it by calling them by their names.