OOIR: Observatory of International Research

Papers

(The TQCC of Publications of the Astronomical Society of Japan is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Do blue galaxy-clusters have hot intracluster gas?	282
Inference of magnetic field during the Dalton minimum: Case study with recorded sunspot areas	67
ALMA detection of 321 GHz water maser emission in the radio galaxy NGC 1052	50
Measurement of the zodiacal light absolute intensity through Fraunhofer line spectroscopy of the night sky with the Hale telescope	41
Photometric analysis on RZ Horologii: An evolved and active Algol with a δ Scuti component	39
On the X-ray efficiency of the white dwarf pulsar candidate ZTF J190132.9+145808.7	29
Steady jet ejections from the innermost region of advection-dominated accretion flow around a black hole	28
A catalog of molecular clouds possibly associated with Galactic infrared bubbles. I. The southern Galactic plane	24
Surface accretion as a dust retention mechanism in protoplanetary disks. I. Formulation and proof-of-concept simulations	23
KIC 7914906: An eclipsing heartbeat star with tidally excited oscillations and gamma Doradus/delta Scuti hybrid pulsations	23
Introduction to Faraday tomography and its future prospects	22
Abundances of phosphorus in bright F-G type main-sequence stars	22
12CO and 13CO observation of the low-metallicity dwarf galaxy DDO 154	21
First detection of X-ray polarization and its short-term increase pre- and post-eclipse in the high-mass X-ray binary 4U 1700–377	20
Strong ionospheric activity at the MWA site associated with plasma bubble measured by GNSS	19
Dynamical properties of mildly relativistic ejecta produced by the mass-loading of gamma-ray burst jets in dense ambient media	19
A statistical approach to interpreting polarized dust emission of filamentary molecular clouds toward an estimate of 3D magnetic field structure	19
Identifying hot subdwarf stars from photometric data using a Gaussian mixture model and graph neural network	19
A global two-layer radiative transfer model for axisymmetric, shadowed protoplanetary disks	18
Hadronic origin of the very high-energy gamma-ray emission from the low-luminosity AGN in NGC 4278	17
Cosmological evolution of dark matter subhaloes under tidal stripping by growing Milky Way-like galaxies	16
The three-year shear catalog of the Subaru Hyper Suprime-Cam SSP Survey	16
Retraction of: Transient jet ejections associated with limit-cycle behaviors in the very high state of black hole binaries	16
A new candidate of a cluster of galaxies behind the Galactic plane, AX J145732-5901	16
Nitrogen transport in protoplanetary disks by ammonium salts: A possible origin of Jupiter’s nitrogen enrichment	16

XRISM high-resolution spectroscopy of SS 433: Evidence of decreasing line-of-sight velocity dispersion along the jet	16
Exploring the cosmic dawn and epoch of reionization with the 21 cm line	16
Nobeyama 45 m CO J = 1–0 observations of luminous type 1 AGNs at z ≈ 0.3	15
The symbiotic and bipolar nebula M 2-9: Morphological variability of the collimated ionized wind arising from the core	15
Suzaku observation of an iron K-shell line in the spiral galaxy NGC 6946	15
Finite element analysis and high-precision molding of a novel panel unit based on the Leighton Chajnantor Telescope	14
MeerKAT’s view of double radio relic galaxy cluster Abell 3376	14
Detection of six massive contact binaries with tertiary component candidates in the Small Magellanic Cloud	14
XRISM observations of Cassiopeia A: Overview, atomic data, and spectral models	14
On the influence of shock–cloud interactions on the nonthermal X-ray emission from the supernova remnant RCW 86	14
Survey of non-thermal electrons around supermassive black holes through polarization flips	13
Benchmark of the Fe xxv ???? ratio in photoionized plasma during eclipse of Centaurus X-3 with XRISM/Resolve	13
Astrometric VLBI observations of H2O masers in an extreme OH/IR star candidate NSV 17351	13
Spatial structure and dynamical state of the old open cluster Collinder 261 based on a clustering method	12
PNV J00444033+4113068: Early superhumps with 0.7 mag amplitude and non-red color	12
An expanding ring of the hypercompact H ii region W 49 N:A2	12
Search for quasi-periodic oscillations of AGNs in the Swift BAT 157-month hard X-ray survey	12
Discovery of stable titanium at the northeastern jet of Cassiopeia A: Need for a weak jet mechanism?	12
A universal scaling relation incorporating the cusp-to-core transition of dark matter halos	12
The history of the Milky Way: The evolution of star formation, cosmic rays, metallicity, and stellar dynamics over cosmic time	11
Gaia DR2 and EDR3 data and evolutionary status of post-AGB stars with high radial velocities	11
Long-term spectral variations of V Sagittae: Two spectroscopic states with red- or blue-shifted emission wings of H i and He ii	11
Impact of the Lyα radiation force on super-Eddington accretion on to a massive black hole	11
Molecular clouds at the eastern edge of radio nebula W 50	11
Corrigendum: Detailed analysis of the poorly studied northern open cluster NGC 1348 using multi-color photometry and GAIA EDR3 astrometry	11
Red giant winds driven by Alfvén waves with magnetic diffusion	11
The role of resistivity in hot accretion flows with anisotropic pressure: Comparing magnetic field models	10
Three-dimensional core-collapse supernova models with phenomenological treatment of neutrino flavor conversions	10
Magnetic configurations related to the coronal heating and solar wind generation. II. Quantitative characterization of active-region magnetic structure based on the geometric property of force-free α	10
The Subaru-Asahi StarCam: Description of the system	10
MK-like spectral classification for hot subdwarf stars with LAMOST spectra	9
Spatially-resolved relation between [C i] 3P1–3P0 and 12CO (1–0) in Arp 220	9
Seimei/KOOLS-IFU mapping of the gas and dust distributions in Galactic PNe: Unveiling the origin and evolution of the Galactic halo PN H4-1	9
Discovery of diffuse radio source in Abell 1060	9
Origin and evolution of the Ω structure in the head-tail radio galaxy of Abell 3322	8
The asymmetric sunrise effect on Thales’ alleged measurement of the Sun angular size	8
A search for water vapor plumes on Europa by spatially resolved spectroscopic observation using Subaru/IRCS	8
Clumpy-gas radiation hydrodynamics: Formulation	8
Testing the non-circularity of the spacetime around Sagittarius A* with orbiting pulsars	8
Detection of a new molecular cloud in the LHAASO J2108+5157 region supporting a hadronic PeVatron scenario	8
XRISM observations of solar flare X-ray emission reflected in the Earth’s atmosphere	8
Modeling of geocoronal solar wind charge exchange events detected with Suzaku	8
Constraining the corona geometry of Cyg X-1 with broad-band spectrum and polarimetric analysis based on observations in 2022 May	8
XRISM high-resolution X-ray spectroscopy of Cygnus X-1: Highly ionized iron absorption structures	8
The Milky Way tomography with Subaru Hyper Suprime-Cam. I. Halo substructures	8
Outflowing photoionized plasma in Circinus X-1 using the high-resolution X-ray spectrometer Resolve onboard XRISM and the radiative transfer code `cloudy`	8
Cosmic ray and interstellar gas properties in the solar neighborhood revealed by diffuse gamma-rays	8
Oscillating wind accretion due to X-ray inhibition of line-driven mechanism	8
HSC-XXL: Baryon budget of the 136 XXL groups and clusters	8
Discovery of free precession in the magnetar SGR 1806−20 with the ASCA Gas Imaging Spectrometer	8

Gamma-ray bursts, supernovae Ia, and baryon acoustic oscillations: A binned cosmological analysis	8
A deep analysis for New Horizons’ KBO search images	7
Solar eclipses observed worldwide in the first half of the 15th century and ΔT determined from multiply observed eclipses	7
On the meteor clusters detected over Hawai’i in 2023 and 2024	7
Dynamics of the intermediate-mass-element ejecta in the supernova remnant Cassiopeia A studied with XRISM	7
Impact of turbulent magnetic fields on disk formation and fragmentation in first star formation	7
Near-infrared [P ii ] and [Fe ii ] line mapping of Galactic supernova remnants	7
Cloud–cloud collisions in the Antennae galaxies: Does high-speed collision suppress star formation?	7
Discovery of an X-ray bridge between the comma-shaped gas and the main cluster in MCXC J0157.4-0550	7
Gravitational collapse of white dwarfs to neutron stars: From initial conditions to explosions with neutrino-radiation hydrodynamics simulations	7
The orbital solution and dynamical masses of the binary system V* PX Virginis	7
Smart Kanata: A framework for autonomous decision-making in rapid follow-up observations of cataclysmic variables	7
Quantitative analysis of the molecular gas morphology in nearby disk galaxies	7
Evolution of X-ray and optical rapid variability during the low/hard state in the 2018 outburst of MAXI J1820+070 = ASASSN-18ey	7
Multicolor and multi-spot observations of Starlink’s Visorsat	6
Water maser disk and a supermassive black hole at the nucleus of the active galaxy NGC 7738	6
Broad-band non-thermal emission of odd radio circles induced by explosive galactic outflow remnants and their evolution	6
Searching for the signature of fast radio burst by Swift/XRT X-ray afterglow light curve	6
Multiwavelength studies of G298.6−0.0: An old GeV supernova remnant interacting with molecular clouds	6
Radiation and outflow properties of super-Eddington accretion flows around various mass classes of black holes: Dependence on the accretion rates	6
W 49 N MCN-a: A disk-accreting massive protostar embedded in an early-phase hot molecular core	6
Analyses of historical solar eclipse records in Hokkaido Island in the 18–19th centuries	6
Galaxy Cruise: Deep Insights into Interacting Galaxies in the Local Universe	6
The LMT 2 millimeter receiver system (B4R). II. Science demonstration observations toward Orion-KL/OMC-1	6
Thermal and kinematic properties of ejecta in SN1987A revealed by XRISM	6
The possible long-term periodic variability of the extremely luminous quasar WISE J090924.01+000211.1	6
Ka-band cryogenic low-noise receiver of the Misasa 54 m antenna for deep-space communications and radio astronomy	6
Galaxy clusters at z ∼ 1 imaged by ALMA with the Sunyaev–Zel’dovich effect	6
X-ray hot spots in the eastern ear of the supernova remnant W 50 and the microquasar SS 433 system	6
Central concentration of warm and dense molecular gas in a strongly lensed submillimeter galaxy at z = 6	6
Distance determination of molecular clouds in the first quadrant of the Galactic plane using deep learning: I. Method and results	6
XMM-Newton view of the shock heating in an early merging cluster, CIZA J1358.9−4750	6
Upper limit on the coronal cosmic ray energy budget in Seyfert galaxies	6
The star formation and chemical evolution histories of the Ursa Minor dwarf spheroidal galaxy	6
XRISM spectroscopy on orbital modulation of Fe Lyα lines in Cygnus X-3	6
A bibliometric analysis of the scholarly impact of early Subaru Telescope-based publications	6
The mass of TOI-519 b: A close-in giant planet transiting a metal-rich mid-M dwarf	6
A close-in planet orbiting giant star HD 167768	6
Wavelets and sparsity for Faraday tomography	6
Seimei KOOLS-IFU mapping of the gas and dust distributions in Galactic PNe: The origin and evolution of DdDm 1	6
Water maser distributions and their internal motions in the Sagittarius B2 complex	5
E/B mode decomposition of HSC-Y1 cosmic shear using COSEBIs: Cosmological constraints and comparison with other two-point statistics	5
BVRI polarization of stars in the direction of Stock 19	5
KAgoshima Galactic Object survey with Nobeyama 45 m telescope by Mapping in Ammonia lines (KAGONMA): Discovery of parsec-scale CO depletion in the Canis Major star-forming region	5
Deblurring galaxy images with Tikhonov regularization on magnitude domain	5
Evidence of non-solar elemental composition in the clocked X-ray burster SRGA J144459.2-604207	5
Modeling of 3D trajectory of Hayabusa2 re-entry based on acoustic observations	5
Is the low-energy tail of shock-accelerated protons responsible for over-ionized plasma in supernova remnants?	5
Sulfur isotopes toward the extended envelope of Sagittarius B2 in the Galactic Center	5
One-kiloparsec expanding cylinder of H i gas around the Galactic Center	5
Effects of depolarizing intervening galaxies on background radio emission. I. Global disk magnetic field	5
Multi-epoch X-ray spectral analysis of Centaurus A: Revealing new constraints on iron emission line origins	5
X-ray study of the propagation of non-thermal particles in microquasar SS 433/W 50 extended jets	5
Revisiting planetary systems in the Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and a multiplicity-metallicity trend around evolved stars	5
Sub-parsec-scale jet-driven water maser with possible gravitational acceleration in the radio galaxy NGC 1052	5
Statistical X-ray analysis of gamma-ray-emitting radio galaxies	5
Decadal brightening in the north-eastern non-thermal filament of Cassiopeia A	5
First photometric investigation of OGLE-SMC-ECL-2063: A low-metallicity massive contact binary in the SMC	5
Survivability of amorphous ice in comets depends on the latent heat of crystallization of impure water ice	5
ANDICAM I- and J-band monitoring of bright inner Galactic late-type stars	5