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20242026
most citedGalactic Archaeology with the Subaru `Ōnohi`ula Prime Focus Spectrograph Strategic Program

1 citations · 1 across the 4 of their papers we have counts for

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6 papers

astro-ph.GA20261 cited

Galactic Archaeology with the Subaru `Ōnohi`ula Prime Focus Spectrograph Strategic Program

Masashi Chiba, Rosemary F. G. Wyse, Evan N. Kirby +47

The recently commissioned Subaru `Ōnohi`ula Prime Focus Spectrograph (PFS) will obtain spectra from nearly 2,400 fibers that cover 1.24 square degrees. The 360 night Subaru Strate…

astro-ph.GA2026

Chemical Abundance Ratios of Nitrogen Rich Galaxies Identified at : Observational Demographics and Models

Kuria Watanabe, Masami Ouchi, Kimihiko Nakajima +13

We present chemical abundance ratios of 8 nitrogen-rich ([N/O]) galaxies at identified by the first 4 years of the JWST observations, and compare these ratios wi…

astro-ph.IM2026

Prime Focus Spectrograph on the Subaru Telescope: Overview of Science Operations

Masayuki Tanaka, Akira Arai, Wanqiu He +30

The paper presents the science operation framework for Prime Focus Spectrograph (PFS or 'Onohi'ula in its Hawaiian name) installed at the 8.2m Subaru Telescope on the summit of Mau…

astro-ph.GA2026

Subaru/HSC NB395 view of NGC 5466: metallicity, mass function, and the nature of its tidal stream

Itsuki Ogami, Miho N. Ishigaki, Pete B. Kuzma +6

We present a deep photometric study of the globular cluster NGC 5466 and its tidal stream using Subaru/Hyper Suprime-Cam (HSC) imaging with the metallicity-sensitive narrowband fil…

astro-ph.GA2025

Constructing a Pristine View of Extended Globular Cluster Structure

Pete B. Kuzma, Miho N. Ishigaki, Takanobu Kirihara +1

Globular Clusters (GCs) displaying extended structures are becoming increasingly ubiquitous in the Milky Way (MW). Despite their low surface brightness, which makes disentangling t…

astro-ph.GA2024

Triangulum IV: A Possible Ultra-Diffuse Satellite of M33

Itsuki Ogami, Yutaka Komiyama, Masashi Chiba +8

We report the detection of a dwarf satellite candidate (Triangulum IV: Tri IV) of the Triangulum galaxy (M33) using the deep imaging of Subaru/Hyper Suprime-Cam (HSC). From the app…