output
20082024
most citedRelativistic redshift of the star S0-2 orbiting the Galactic center supermassive black hole

497 citations

Showing astro-ph.GAShow all

13 papers · 1 filter

astro-ph.GA2024★ 3 cited

Chandra Survey in the AKARI North Ecliptic Pole Deep Field Optical/Infrared Identifications of X-ray Sources

T. Miyaji, B. A. Bravo-Navarro, J. Díaz Tello +17

We present a catalog of optical and infrared identifications (ID) of X-ray sources in the AKARI North Ecliptic Pole (NEP) Deep field detected with Chandra covering $\sim 0.34\,{\rm…

astro-ph.GA2023★ 64 cited

Quasar Luminosity Function at z = 7

Yoshiki Matsuoka, Masafusa Onoue, Kazushi Iwasawa +41

We present the quasar luminosity function (LF) at , measured with 35 spectroscopically confirmed quasars at . The sample of 22 quasars from the Subaru High-…

astro-ph.GA2023★ 27 cited

Combining the CLAUDS & HSC-SSP surveys: U+grizy(+YJHKs) photometry and photometric redshifts for 18M galaxies in the 20 deg2 of the HSC-SSP Deep and ultraDeep fields

G. Desprez, V. Picouet, T. Moutard +21

We present the combination of the Canada-France-Hawaii Telescope (CHFT) Large Area -bands Deep Survey (CLAUDS) and the Hyper-Suprime-Cam (HSC) Subaru Strategic Program (HSC-SSP)…

astro-ph.GA2021★ 7 cited

Optically-detected galaxy cluster candidates in the North Ecliptic Pole field based on photometric redshift from Subaru Hyper Suprime-Cam

T. -C. Huang, H. Matsuhara, T. Goto +23

Galaxy clusters provide an excellent probe in various research fields in astrophysics and cosmology. However, the number of galaxy clusters detected so far in the North Ecl…

astro-ph.GA2020★ 21 cited

Identification of AKARI infrared sources by Deep HSC Optical Survey: Construction of New Band-Merged Catalogue in the NEP-Wide field

Seong Jin Kim, Nagisa Oi, Tomotsugu Goto +21

The north ecliptic pole (NEP) field is a natural deep field location for many satellite observations. It has been targeted manytimes since it was surveyed by the AKARI space telesc…

astro-ph.GA2020★ 18 cited

CHORUS. I. Cosmic HydrOgen Reionization Unveiled with Subaru: Overview

Akio K. Inoue, Satoshi Yamanaka, Masami Ouchi +28

To determine the dominant sources for cosmic reionization, the evolution history of the global ionizing fraction, and the topology of the ionized regions, we have conducted a deep…

astro-ph.GA2020★ 21 cited

Extinction-free Census of AGNs in the /IRC North Ecliptic Pole Field from 23-band Infrared Photometry from Space Telescopes

Ting-Wen Wang, Tomotsugu Goto, Seong Jin Kim +21

In order to understand the interaction between the central black hole and the whole galaxy or their co-evolution history along with cosmic time, a complete census of active galacti…

astro-ph.GA2020★ 73 cited

The Faint End of the Quasar Luminosity Function at from the Subaru Hyper Suprime-Cam Survey

Mana Niida, Tohru Nagao, Hiroyuki Ikeda +17

We present the quasar luminosity function at derived from the optical wide-field survey data obtained as a part of the Subaru strategic program (SSP) with Hyper Suprime-…

astro-ph.GA2020★ 37 cited

Search for Optically Dark Infrared Galaxies without Counterparts of Subaru Hyper Suprime-Cam in the AKARI North Ecliptic Pole Wide Survey Field

Yoshiki Toba, Tomotsugu Goto, Nagisa Oi +25

We present the physical properties of AKARI sources without optical counterparts in optical images from the Hyper Suprime-Cam (HSC) on the Subaru telescope. Using the AKARI infrare…

astro-ph.GA2020★ 17 cited

Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). III. Discovery of a z = 4.72 Radio Galaxy with Lyman Break Technique

Takuji Yamashita, Tohru Nagao, Hiroyuki Ikeda +17

We report a discovery of radio galaxy, HSC J083913.17+011308.1, by using the Lyman break technique with the Hyper Suprime-Cam Subaru Strategic Survey (HSC-SSP) catalog f…

astro-ph.GA2020★ 56 cited

Search for a Variation of the Fine Structure around the Supermassive Black Hole in Our Galactic Center

A. Hees, T. Do, B. M. Roberts +11

Searching for space-time variations of the constants of Nature is a promising way to search for new physics beyond General Relativity and the standard model motivated by unificatio…

astro-ph.GA2019★ 497 cited

Relativistic redshift of the star S0-2 orbiting the Galactic center supermassive black hole

Tuan Do, Aurelien Hees, Andrea Ghez +26

General Relativity predicts that a star passing close to a supermassive black hole should exhibit a relativistic redshift. We test this using observations of the Galactic center st…

astro-ph.GA2017★ 5 cited

Radial Velocity Measurements of an Orbiting Star Around Sgr A*

Shogo Nishiyama, Hiromi Saida, Yohsuke Takamori +10

During the next closest approach of the orbiting star S2/S0-2 to the Galactic supermassive black hole (SMBH), it is estimated that RV uncertainties of ~ 10 km/s allow us to detect…