Those look like metallic bird-wings extended to the sides behind her cape, so perhaps some sort of bird theme in the name? Something that hasn't already been done to death in DC or Marvel comic books. (For instance, "Hawk," "Hawkgirl," "Falcon," and "Vulture" already have high-profile, well-established users.) "Kestrel?" "Golden Kestrel?" Something along those lines?
Those look like metallic bird-wings extended to the sides behind her cape, so perhaps some sort of bird theme in the name? Something that hasn't already been done to death in DC or Marvel comic books. (For instance, "Hawk," "Hawkgirl," "Falcon," and "Vulture" already have high-profile, well-established users.) "Kestrel?" "Golden Kestrel?" Something along those lines?