OOIR: Observatory of International Research

Papers

(The H4-Index of Astrophysical Journal Letters is 71. 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 2020-04-01 to 2024-04-01.)

Article	Citations
GW190814: Gravitational Waves from the Coalescence of a 23 Solar Mass Black Hole with a 2.6 Solar Mass Compact Object	1064
A Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km s⁻¹ Mpc⁻¹ Uncertainty from the Hubble Space Telescope and the SH0ES Team	602
The Radius of PSR J0740+6620 from NICER and XMM-Newton Data	559
A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy	552
First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way	549
Population Properties of Compact Objects from the Second LIGO–Virgo Gravitational-Wave Transient Catalog	506
The NANOGrav 12.5 yr Data Set: Search for an Isotropic Stochastic Gravitational-wave Background	496
Cosmic Distances Calibrated to 1% Precision with Gaia EDR3 Parallaxes and Hubble Space Telescope Photometry of 75 Milky Way Cepheids Confirm Tension with ΛCDM	471
Observation of Gravitational Waves from Two Neutron Star–Black Hole Coalescences	444
Refined Mass and Geometric Measurements of the High-mass PSR J0740+6620	419
Properties and Astrophysical Implications of the 150 M_⊙ Binary Black Hole Merger GW190521	393
First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon	286
The NANOGrav 15 yr Data Set: Evidence for a Gravitational-wave Background	245
A Luminous Quasar at Redshift 7.642	229
INTEGRAL Discovery of a Burst with Associated Radio Emission from the Magnetar SGR 1935+2154	224
On the Evidence for a Common-spectrum Process in the Search for the Nanohertz Gravitational-wave Background with the Parkes Pulsar Timing Array	218
Search for an Isotropic Gravitational-wave Background with the Parkes Pulsar Timing Array	211
First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric	210
The Low Earth Orbit Satellite Population and Impacts of the SpaceX Starlink Constellation	206
First M87 Event Horizon Telescope Results. VII. Polarization of the Ring	206
Pōniuā‘ena: A Luminous z = 7.5 Quasar Hosting a 1.5 Billion Solar Mass Black Hole	194
Constraints on the Dense Matter Equation of State and Neutron Star Properties from NICER’s Mass–Radius Estimate of PSR J0740+6620 and Multimessenger Observations	192
First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole	191
Parallax Systematics and Photocenter Motions of Benchmark Eclipsing Binaries in Gaia EDR3	175
First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole	169

PSR J0952−0607: The Fastest and Heaviest Known Galactic Neutron Star	166
Two Remarkably Luminous Galaxy Candidates at z ≈ 10–12 Revealed by JWST	157
GW190521: Orbital Eccentricity and Signatures of Dynamical Formation in a Binary Black Hole Merger Signal	152
Constraining the Dense Matter Equation of State with Joint Analysis of NICER and LIGO/Virgo Measurements	144
The NANOGrav 15 yr Data Set: Search for Signals from New Physics	141
A Long Time Ago in a Galaxy Far, Far Away: A Candidate z ∼ 12 Galaxy in Early JWST CEERS Imaging	141
First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass	136
First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration	134
Early Results from GLASS-JWST. III. Galaxy Candidates at z ∼9–15*	131
CEERS Key Paper. I. An Early Look into the First 500 Myr of Galaxy Formation with JWST	131
A Test of the Cosmological Principle with Quasars	131
A Nearby Repeating Fast Radio Burst in the Direction of M81	125
Constraints from Gravitational-wave Detections of Binary Black Hole Mergers on the ¹²C(α, γ)¹⁶O Rate	122
The JWST Early Release Observations	118
A Circumplanetary Disk around PDS70c	114
The Host Galaxies and Progenitors of Fast Radio Bursts Localized with the Australian Square Kilometre Array Pathfinder	113
Implications of a Fast Radio Burst from a Galactic Magnetar	106
Exploring the Lower Mass Gap and Unequal Mass Regime in Compact Binary Evolution	102
LOFAR Detection of 110–188 MHz Emission and Frequency-dependent Activity from FRB 20180916B	99
A Binary Comb Model for Periodic Fast Radio Bursts	97
Discovery of the Pure Polycyclic Aromatic Hydrocarbon Indene (c-C9H8) with GOTHAM Observations of TMC-1	95
Investigating Cosmic Discordance	91
The Pair-instability Mass Gap for Black Holes	89
Multiphase Gas and the Fractal Nature of Radiative Turbulent Mixing Layers	88
Global Circulation of the Open Magnetic Flux of the Sun	88
Black Hole Flares: Ejection of Accreted Magnetic Flux through 3D Plasmoid-mediated Reconnection	87
On the Origin of GW190521-like Events from Repeated Black Hole Mergers in Star Clusters	85
Evidence for Hierarchical Black Hole Mergers in the Second LIGO–Virgo Gravitational Wave Catalog	85
FRB Periodicity: Mild Pulsars in Tight O/B-star Binaries	85
The Destruction and Recreation of the X-Ray Corona in a Changing-look Active Galactic Nucleus	85
The Parallax of ω Centauri Measured from Gaia EDR3 and a Direct, Geometric Calibration of the Tip of the Red Giant Branch and the Hubble Constant	83
Molecular Gas Properties on Cloud Scales across the Local Star-forming Galaxy Population	83
Neutral Iron Emission Lines from the Dayside of KELT-9b: The GAPS Program with HARPS-N at TNG XX	82
Why Is it So Cold in Here? Explaining the Cold Temperatures Retrieved from Transmission Spectra of Exoplanet Atmospheres	81
GW190521 May Be an Intermediate-mass Ratio Inspiral	81
Precessing Flaring Magnetar as a Source of Repeating FRB 180916.J0158+65	81
The Most Ordinary Formation of the Most Unusual Double Black Hole Merger	80
On the Nature of GW190814 and Its Impact on the Understanding of Supranuclear Matter	80
Rotation Measure Evolution of the Repeating Fast Radio Burst Source FRB 121102	79
Irradiated Ocean Planets Bridge Super-Earth and Sub-Neptune Populations	78
Minding the Gap: GW190521 as a Straddling Binary	76
A Magnetar Engine for Short GRBs and Kilonovae	76
Timing the Early Assembly of the Milky Way with the H3 Survey	75
CEERS Epoch 1 NIRCam Imaging: Reduction Methods and Simulations Enabling Early JWST Science Results	73
The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background	72
The Binary Mass Ratio in the Black Hole Transient MAXI J1820+070	71