Maffei 1 bụ nnukwu ụyọkọ elliptical galaxy nke a na-ekewa dị ka ụdị E3 na usoro nhazi nke Hubble. Nke a pụtara na ọ dị ntakịrị, ọkara obere axis ya bụ 70% nke ọkara isi axis ya. Maffei 1 nwekwara ụdị boxy (E(b) 3 ụdị), ebe mpaghara etiti ya (radius ≈ 34 pc) na-adịghị mma na nchapụta ọkụ ma e jiri ya tụnyere iwu r1 / 4, nke pụtara na Maffei 1 bụ ụdị elliptical. Ma ụdị boxy na ọnụnọ nke isi na-enwu gbaa bụ ihe dị n'etiti etiti na nnukwu ellipticals. Ihe a na-ahụ anya nke Maffei 1 na-adabere n'ụzọ dị ukwuu na ebili mmiri nke ìhè n'ihi nnukwu mkpuchi nke Milky Way. Na ìhè na-acha anụnụ anụnụ, ọ dị 1 <unk>2 ′ n'ofe nke isi infrared mgbe ọ na-eru 23 <unk> ′ n'ofe nke isi. Nke a bụ ihe dị ka 3/4 <unk> 23 ′ nke ọnwa.
ihe karịrị 3/4