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 2022-08-01 to 2026-08-01.)

Article	Citations
Photometric analysis on RZ Horologii: An evolved and active Algol with a δ Scuti component	72
Steady jet ejections from the innermost region of advection-dominated accretion flow around a black hole	48
12CO and 13CO observation of the low-metallicity dwarf galaxy DDO 154	44
Cosmological evolution of dark matter subhaloes under tidal stripping by growing Milky Way-like galaxies	43
Strong ionospheric activity at the MWA site associated with plasma bubble measured by GNSS	36
A statistical approach to interpreting polarized dust emission of filamentary molecular clouds toward an estimate of 3D magnetic field structure	34
Measurement of the zodiacal light absolute intensity through Fraunhofer line spectroscopy of the night sky with the Hale telescope	32
Introduction to Faraday tomography and its future prospects	32
Anisotropic thermal conduction as a driver of jet collimation and magnetic field amplification on cold fronts	28
Surface accretion as a dust retention mechanism in protoplanetary disks. I. Formulation and proof-of-concept simulations	28
Metal enrichment in the galaxy group IC 1262	28
Galactic absorption measured by X-ray observations of clusters of galaxies at the low Galactic latitude	27
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	25
Dynamical properties of mildly relativistic ejecta produced by the mass-loading of gamma-ray burst jets in dense ambient media	25
On the X-ray efficiency of the white dwarf pulsar candidate ZTF J190132.9+145808.7	24
KIC 7914906: An eclipsing heartbeat star with tidally excited oscillations and gamma Doradus/delta Scuti hybrid pulsations	24
XRISM high-resolution spectroscopy of SS 433: Evidence of decreasing line-of-sight velocity dispersion along the jet	24
A catalog of molecular clouds possibly associated with Galactic infrared bubbles. I. The southern Galactic plane	22
Identifying hot subdwarf stars from photometric data using a Gaussian mixture model and graph neural network	22
Hadronic origin of the very high-energy gamma-ray emission from the low-luminosity AGN in NGC 4278	22
Retraction of: Transient jet ejections associated with limit-cycle behaviors in the very high state of black hole binaries	22
ALMA detection of 321 GHz water maser emission in the radio galaxy NGC 1052	22
A new candidate of a cluster of galaxies behind the Galactic plane, AX J145732-5901	21
Nobeyama 45 m CO J = 1–0 observations of luminous type 1 AGNs at z ≈ 0.3	20
Suzaku observation of an iron K-shell line in the spiral galaxy NGC 6946	19

On the influence of shock–cloud interactions on the nonthermal X-ray emission from the supernova remnant RCW 86	17
Detection of six massive contact binaries with tertiary component candidates in the Small Magellanic Cloud	17
XRISM observations of Cassiopeia A: Overview, atomic data, and spectral models	17
Astrometric VLBI observations of H2O masers in an extreme OH/IR star candidate NSV 17351	16
Nitrogen transport in protoplanetary disks by ammonium salts: A possible origin of Jupiter’s nitrogen enrichment	16
PNV J00444033+4113068: Early superhumps with 0.7 mag amplitude and non-red color	15
A universal scaling relation incorporating the cusp-to-core transition of dark matter halos	15
Finite element analysis and high-precision molding of a novel panel unit based on the Leighton Chajnantor Telescope	15
Survey of non-thermal electrons around supermassive black holes through polarization flips	15
Benchmark of the Fe xxv ???? ratio in photoionized plasma during eclipse of Centaurus X-3 with XRISM/Resolve	15
Automated extraction of peculiar velocity structures in Aquila Rift with the FilFinder algorithm	14
Gaia DR2 and EDR3 data and evolutionary status of post-AGB stars with high radial velocities	13
Three-dimensional core-collapse supernova models with phenomenological treatment of neutrino flavor conversions	13
Impact of the Lyα radiation force on super-Eddington accretion on to a massive black hole	13
Long-term spectral variations of V Sagittae: Two spectroscopic states with red- or blue-shifted emission wings of H i and He ii	13
The Subaru-Asahi StarCam: Description of the system	12
The mass of TOI-1883 b: A low-density super-Neptune in the ridge regime transiting an early-M dwarf	12
Red giant winds driven by Alfvén waves with magnetic diffusion	12
An expanding ring of the hypercompact H ii region W 49 N:A2	12
Spatial structure and dynamical state of the old open cluster Collinder 261 based on a clustering method	12
Magnetic field of solar prominences obtained from spectropolarimetric observations in He i 10830 Å	12
Search for quasi-periodic oscillations of AGNs in the Swift BAT 157-month hard X-ray survey	11
Resonant scattering at the center of the galaxy cluster PKS 0745-191 with XRISM	11
The history of the Milky Way: The evolution of star formation, cosmic rays, metallicity, and stellar dynamics over cosmic time	11
Disk instability model incorporating a variable inner disk radius in SS Cygni and U Geminorum	11
The role of resistivity in hot accretion flows with anisotropic pressure: Comparing magnetic field models	11
Molecular clouds at the eastern edge of radio nebula W 50	11
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	11
MK-like spectral classification for hot subdwarf stars with LAMOST spectra	10
Energy transfer from jets to surrounding matter to form lateral lobes in SS 433/W 50	10
Gamma-ray bursts, supernovae Ia, and baryon acoustic oscillations: A binned cosmological analysis	10
Detection of a new molecular cloud in the LHAASO J2108+5157 region supporting a hadronic PeVatron scenario	10
The Milky Way tomography with Subaru Hyper Suprime-Cam. I. Halo substructures	10
Discovery of free precession in the magnetar SGR 1806−20 with the ASCA Gas Imaging Spectrometer	10
Origin and evolution of the Ω structure in the head-tail radio galaxy of Abell 3322	10
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	10
Clumpy-gas radiation hydrodynamics: Formulation	10
Outflowing photoionized plasma in Circinus X-1 using the high-resolution X-ray spectrometer Resolve onboard XRISM and the radiative transfer code `cloudy`	9
XRISM high-resolution X-ray spectroscopy of Cygnus X-1: Highly ionized iron absorption structures	9
A search for water vapor plumes on Europa by spatially resolved spectroscopic observation using Subaru/IRCS	9
Discovery of diffuse radio source in Abell 1060	9
The asymmetric sunrise effect on Thales’ alleged measurement of the Sun angular size	9
Modeling of geocoronal solar wind charge exchange events detected with Suzaku	9
XRISM observations of solar flare X-ray emission reflected in the Earth’s atmosphere	9
Oscillating wind accretion due to X-ray inhibition of line-driven mechanism	9
Near-infrared [P ii ] and [Fe ii ] line mapping of Galactic supernova remnants	8
Cosmic ray and interstellar gas properties in the solar neighborhood revealed by diffuse gamma-rays	8
Cloud–cloud collisions in the Antennae galaxies: Does high-speed collision suppress star formation?	8
Quantitative analysis of the molecular gas morphology in nearby disk galaxies	8
The orbital solution and dynamical masses of the binary system V* PX Virginis	8

Clumpy-gas relativistic radiation hydrodynamics: Formulation	8
Coronal non-thermal and Doppler plasma flows driven by photospheric flux in 28 active regions	8
Gravitational collapse of white dwarfs to neutron stars: From initial conditions to explosions with neutrino-radiation hydrodynamics simulations	8
Impact of turbulent magnetic fields on disk formation and fragmentation in first star formation	8
Constraining the corona geometry of Cyg X-1 with broad-band spectrum and polarimetric analysis based on observations in 2022 May	8
Bar-informed kinematic-distance mapping of molecular gas in the inner Milky Way	8
Dynamics of the intermediate-mass-element ejecta in the supernova remnant Cassiopeia A studied with XRISM	8
Analysis of methods for optical-band light curves	8
Solar eclipses observed worldwide in the first half of the 15th century and ΔT determined from multiply observed eclipses	8
Seimei KOOLS-IFU mapping of the gas and dust distributions in Galactic PNe: The origin and evolution of DdDm 1	7
Radiation and outflow properties of super-Eddington accretion flows around various mass classes of black holes: Dependence on the accretion rates	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
Multiwavelength probes of cosmic ray transport in molecular cloud structures	7
Smart Kanata: A framework for autonomous decision-making in rapid follow-up observations of cataclysmic variables	7
A close-in planet orbiting giant star HD 167768	7
Galaxy clusters at z ∼ 1 imaged by ALMA with the Sunyaev–Zel’dovich effect	7
From supernovae to neutron stars: Crust formation time	7
Wavelets and sparsity for Faraday tomography	7
Orbital inclination estimates for overcontact binaries using the derivatives of light curves	7
Discovery of an X-ray bridge between the comma-shaped gas and the main cluster in MCXC J0157.4-0550	7
On the meteor clusters detected over Hawai’i in 2023 and 2024	7
Central concentration of warm and dense molecular gas in a strongly lensed submillimeter galaxy at z = 6	7
Multiwavelength studies of G298.6−0.0: An old GeV supernova remnant interacting with molecular clouds	7
Analyses of historical solar eclipse records in Hokkaido Island in the 18–19th centuries	7
The LMT 2 millimeter receiver system (B4R). II. Science demonstration observations toward Orion-KL/OMC-1	7
Near- to far-infrared spectral energy distribution analysis of interacting galaxies in Hickson compact groups 56 and Stephan’s Quintet (HCG 92)	7
A deep analysis for New Horizons’ KBO search images	7
Multicolor and multi-spot observations of Starlink’s Visorsat	7
Galaxy Cruise: Deep Insights into Interacting Galaxies in the Local Universe	7
A dichotomy of the mass–metallicity relation of exoplanetary atmospheres demarcated by their birthplace	6
Distance determination of molecular clouds in the first quadrant of the Galactic plane using deep learning: I. Method and results	6
Searching for the signature of fast radio burst by Swift/XRT X-ray afterglow light curve	6
Moving object detection from multi-depth images with an attention-enhanced convolutional neural network	6
The star formation and chemical evolution histories of the Ursa Minor dwarf spheroidal galaxy	6
A systematic study on the aromatic and aliphatic hydrocarbon emission features of nearby galaxies using AKARI near-IR spectra	6
MOA-2020-BLG-108Lb: A giant planet beyond the snow line of a low-mass lens near the lower boundary of the mass-ratio desert	6
The mass of TOI-519 b: A close-in giant planet transiting a metal-rich mid-M dwarf	6
The possible long-term periodic variability of the extremely luminous quasar WISE J090924.01+000211.1	6
Broad-band non-thermal emission of odd radio circles induced by explosive galactic outflow remnants and their evolution	6
Far-infrared synchrotron properties of the inner lobes of the radio galaxy Centaurus A revealed with the Herschel observatory	6
The supernova remnant G284.3-1.8 and its relation to the gamma-ray binary 1FGL J1018.6-5856	6
Water maser disk and a supermassive black hole at the nucleus of the active galaxy NGC 7738	6
Ka-band cryogenic low-noise receiver of the Misasa 54 m antenna for deep-space communications and radio astronomy	6
A bibliometric analysis of the scholarly impact of early Subaru Telescope-based publications	6
Corrigendum: Flare from the secondary star of an extreme period binary	6
XMM-Newton view of the shock heating in an early merging cluster, CIZA J1358.9−4750	6
XRISM spectroscopy on orbital modulation of Fe Lyα lines in Cygnus X-3	5
Rotation and stability of the circumnuclear gas disk in the Galactic Center potential by the ALMA CMZ Exploration Survey (ACES)	5
BVRI polarization of stars in the direction of Stock 19	5
Head–tail molecular clouds falling on to the Milky Way disk	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
Multi-epoch X-ray spectral analysis of Centaurus A: Revealing new constraints on iron emission line origins	5
Statistical X-ray analysis of gamma-ray-emitting radio galaxies	5
Sulfur isotopes toward the extended envelope of Sagittarius B2 in the Galactic Center	5
Bridging the gap: Consistent modeling of protoplanetary disk heating and gap formation by planet-induced spiral shocks	5
Water maser distributions and their internal motions in the Sagittarius B2 complex	5
Sub-parsec-scale jet-driven water maser with possible gravitational acceleration in the radio galaxy NGC 1052	5
Predicting the 25th and 26th solar cycles using the long short-term memory method	5
Optimizing infrasound observations for sample return capsule re-entry: Insights from OSIRIS-REx and Hayabusa2	5
First photometric investigation of OGLE-SMC-ECL-2063: A low-metallicity massive contact binary in the SMC	5
Decadal brightening in the north-eastern non-thermal filament of Cassiopeia A	5
Upper limit on the coronal cosmic ray energy budget in Seyfert galaxies	5
Thermal and kinematic properties of ejecta in SN1987A revealed by XRISM	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
Possible time-variable iron-Kα emission in the circumnuclear region of the Circinus galaxy	5
The eclipsing γ Doradus star V421 Pegasi	5
Deblurring galaxy images with Tikhonov regularization on magnitude domain	5
Survivability of amorphous ice in comets depends on the latent heat of crystallization of impure water ice	5
Is the low-energy tail of shock-accelerated protons responsible for over-ionized plasma in supernova remnants?	5
The trigonometric parallax of IRAS 23385+6053 and physical properties of molecular clouds based on the VLBI astrometry	5