OOIR: Observatory of International Research

Papers

(The H4-Index of Astrophysical Journal Letters is 69. 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 2020-05-01 to 2024-05-01.)

Article	Citations
GW190814: Gravitational Waves from the Coalescence of a 23 Solar Mass Black Hole with a 2.6 Solar Mass Compact Object	1076
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	632
First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way	576
The Radius of PSR J0740+6620 from NICER and XMM-Newton Data	572
A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy	567
Population Properties of Compact Objects from the Second LIGO–Virgo Gravitational-Wave Transient Catalog	516
The NANOGrav 12.5 yr Data Set: Search for an Isotropic Stochastic Gravitational-wave Background	502
Cosmic Distances Calibrated to 1% Precision with Gaia EDR3 Parallaxes and Hubble Space Telescope Photometry of 75 Milky Way Cepheids Confirm Tension with ΛCDM	482
Observation of Gravitational Waves from Two Neutron Star–Black Hole Coalescences	452
Refined Mass and Geometric Measurements of the High-mass PSR J0740+6620	431
Properties and Astrophysical Implications of the 150 M_⊙ Binary Black Hole Merger GW190521	402
First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon	295
The NANOGrav 15 yr Data Set: Evidence for a Gravitational-wave Background	282
Search for an Isotropic Gravitational-wave Background with the Parkes Pulsar Timing Array	238
A Luminous Quasar at Redshift 7.642	234
INTEGRAL Discovery of a Burst with Associated Radio Emission from the Magnetar SGR 1935+2154	227
First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric	220
On the Evidence for a Common-spectrum Process in the Search for the Nanohertz Gravitational-wave Background with the Parkes Pulsar Timing Array	220
First M87 Event Horizon Telescope Results. VII. Polarization of the Ring	213
First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole	205
Pōniuā‘ena: A Luminous z = 7.5 Quasar Hosting a 1.5 Billion Solar Mass Black Hole	199
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	197
First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole	178
Parallax Systematics and Photocenter Motions of Benchmark Eclipsing Binaries in Gaia EDR3	177
PSR J0952−0607: The Fastest and Heaviest Known Galactic Neutron Star	168

Two Remarkably Luminous Galaxy Candidates at z ≈ 10–12 Revealed by JWST	167
The NANOGrav 15 yr Data Set: Search for Signals from New Physics	159
GW190521: Orbital Eccentricity and Signatures of Dynamical Formation in a Binary Black Hole Merger Signal	157
A Long Time Ago in a Galaxy Far, Far Away: A Candidate z ∼ 12 Galaxy in Early JWST CEERS Imaging	151
CEERS Key Paper. I. An Early Look into the First 500 Myr of Galaxy Formation with JWST	146
First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration	143
First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass	142
Early Results from GLASS-JWST. III. Galaxy Candidates at z ∼9–15*	138
A Test of the Cosmological Principle with Quasars	136
A Nearby Repeating Fast Radio Burst in the Direction of M81	126
Constraints from Gravitational-wave Detections of Binary Black Hole Mergers on the ¹²C(α, γ)¹⁶O Rate	124
The JWST Early Release Observations	122
A Circumplanetary Disk around PDS70c	117
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	108
Exploring the Lower Mass Gap and Unequal Mass Regime in Compact Binary Evolution	103
LOFAR Detection of 110–188 MHz Emission and Frequency-dependent Activity from FRB 20180916B	102
Discovery of the Pure Polycyclic Aromatic Hydrocarbon Indene (c-C9H8) with GOTHAM Observations of TMC-1	99
Black Hole Flares: Ejection of Accreted Magnetic Flux through 3D Plasmoid-mediated Reconnection	94
Investigating Cosmic Discordance	92
The Pair-instability Mass Gap for Black Holes	91
Multiphase Gas and the Fractal Nature of Radiative Turbulent Mixing Layers	91
The Destruction and Recreation of the X-Ray Corona in a Changing-look Active Galactic Nucleus	89
Evidence for Hierarchical Black Hole Mergers in the Second LIGO–Virgo Gravitational Wave Catalog	87
On the Origin of GW190521-like Events from Repeated Black Hole Mergers in Star Clusters	86
Molecular Gas Properties on Cloud Scales across the Local Star-forming Galaxy Population	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
GW190521 May Be an Intermediate-mass Ratio Inspiral	82
Precessing Flaring Magnetar as a Source of Repeating FRB 180916.J0158+65	82
The Most Ordinary Formation of the Most Unusual Double Black Hole Merger	82
On the Nature of GW190814 and Its Impact on the Understanding of Supranuclear Matter	82
The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background	82
Neutral Iron Emission Lines from the Dayside of KELT-9b: The GAPS Program with HARPS-N at TNG XX	82
Rotation Measure Evolution of the Repeating Fast Radio Burst Source FRB 121102	81
CEERS Epoch 1 NIRCam Imaging: Reduction Methods and Simulations Enabling Early JWST Science Results	79
Irradiated Ocean Planets Bridge Super-Earth and Sub-Neptune Populations	78
Minding the Gap: GW190521 as a Straddling Binary	77
The NANOGrav 15 yr Data Set: Observations and Timing of 68 Millisecond Pulsars	77
A Magnetar Engine for Short GRBs and Kilonovae	77
Timing the Early Assembly of the Milky Way with the H3 Survey	77
On the Sound Speed in Neutron Stars	73
A Statistical Standard Siren Measurement of the Hubble Constant from the LIGO/Virgo Gravitational Wave Compact Object Merger GW190814 and Dark Energy Survey Galaxies	72
Detection of Repeating FRB 180916.J0158+65 Down to Frequencies of 300 MHz	71
Polarimetric Properties of Event Horizon Telescope Targets from ALMA	69