4 papers
The Milky Way Tomography with Subaru Hyper Suprime-Cam: Implications for the past orbit of the Large Magellanic Cloud
Yoshihisa Suzuki, Masashi Chiba, Rosemary F. G. Wyse
We report the discovery of diffuse stellar substructure in the Milky Way's outer halo toward Boötes, unveiled by deep imaging data of the Subaru/Hyper Suprime-Cam. This substructur…
The Milky Way Tomography with Subaru Hyper Suprime-Cam. II. Global halo structure
Yoshihisa Suzuki, Masashi Chiba, Rosemary F. G. Wyse +1
We investigate the structure of the Milky Way's stellar halo within 70 kpc of the Sun using a wide-field photometric catalog obtained from the Hyper Suprime-Cam (HSC) Subaru Strate…
A Long Stellar Stream in M83: Possible Connection Between XUV Disks and Minor Mergers?
Itsuki Ogami, Sakurako Okamoto, Annette M. N. Ferguson +5
We present the confirmation and characterization of a long stream (S-stream) in the southern part of M83. This feature is revealed using deep wide-field photometric data obtained b…
UNIONS: The Ultraviolet Near-Infrared Optical Northern Survey
Stephen Gwyn, Alan W. McConnachie, Jean-Charles Cuillandre +86
The Ultraviolet Near-Infrared Optical Northern Survey (UNIONS) is a "collaboration of collaborations" that is using the Canada-France-Hawai'i Telescope, the Pan-STARRS telescopes,…