The structure of the stellar halo of the Andromeda galaxy explored with the NB515 for Subaru/HSC. I.: New Insights on the stellar halo up to 120 kpc

Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama +16

We analyse the M31 halo and its substructure within a projected radius of 120 kpc using a combination of Subaru/HSC $\text{NB515}$ and CFHT/MegaCam $\text{g}$- \& $\text{i}$-…