Jim Cordes

Professor
Astronomy · CAS

Jim Cordes serves as Professor in Astronomy at Cornell University.

Top Papers (6)
2019-04-09 · The Astrophysical Journal Letters · Astronomy and Astrophysics
First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
Shami ChatterjeeProf Assoc, Astronomy · CAS
246.4x expected for field · 4,218 citations
2019-04-09 · The Astrophysical Journal Letters · Nuclear and High Energy Physics
First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
Shami ChatterjeeProf Assoc, Astronomy · CAS
246.4x expected for field · 1,644 citations
2022-05-01 · The Astrophysical Journal Letters · Astronomy and Astrophysics
First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
Shami ChatterjeeProf Assoc, Astronomy · CAS
211.0x expected for field · 1,825 citations
2023-06-29 · The Astrophysical Journal Letters · Astronomy and Astrophysics
The NANOGrav 15 yr Data Set: Evidence for a Gravitational-wave Background
Shami ChatterjeeProf Assoc, Astronomy · CAS
199.5x expected for field · 1,503 citations
2023-06-29 · The Astrophysical Journal Letters · Astronomy and Astrophysics
The NANOGrav 15 yr Data Set: Search for Signals from New Physics
Shami ChatterjeeProf Assoc, Astronomy · CAS
103.6x expected for field · 780 citations
2021-03-01 · The Astrophysical Journal Letters · Nuclear and High Energy Physics
First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon
Shami ChatterjeeProf Assoc, Astronomy · CAS
96.0x expected for field · 662 citations
Recent Papers (50)
2026-07-31 · The Astrophysical Journal Letters
Erratum: “The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background” (2023, ApJL, 952, L37)
Shami ChatterjeeProf Assoc, Astronomy · CAS
2026-06-24 · The Astrophysical Journal · Astronomy and Astrophysics
The NANOGrav 15 yr and 20 yr Datasets: Timing Events and Pulse Shape Changes
Shami ChatterjeeProf Assoc, Astronomy · CAS
2026-06-16 · The Astrophysical Journal Letters · Astronomy and Astrophysics
The NANOGrav 15 yr Data Set: Piecewise Power-law Reconstruction of the Gravitational-wave Background
Shami ChatterjeeProf Assoc, Astronomy · CAS
2026-04-21 · The Astrophysical Journal · Astronomy and Astrophysics
NE2025: An Updated Electron Density Model for the Galactic Interstellar Medium
2025-12-19 · The Open Journal of Astrophysics
Galactic Centre Pulsars with the SKAO
Shami ChatterjeeProf Assoc, Astronomy · CAS
2024-08-22
A Cyclic Spectroscopy Scintillation Study of PSR B1937+21. I. Demonstration of Improved Scintillometry
Shami ChatterjeeProf Assoc, Astronomy · CAS
2024-02-01
Ordered magnetic fields around the 3C 84 central black hole
Shami ChatterjeeProf Assoc, Astronomy · CAS
2024-01-09
NE2001p: A Native Python Implementation of the NE2001 Galactic Electron Density Model
2023-11-01
First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization
Shami ChatterjeeProf Assoc, Astronomy · CAS
2023-11-01
Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes
Shami ChatterjeeProf Assoc, Astronomy · CAS
2023-07-01
On Detecting Interstellar Scintillation in Narrowband Radio SETI
2023-06-29
The NANOGrav 15 yr Data Set: Evidence for a Gravitational-wave Background
Shami ChatterjeeProf Assoc, Astronomy · CAS
2023-06-29
The NANOGrav 15 yr Data Set: Search for Signals from New Physics
Shami ChatterjeeProf Assoc, Astronomy · CAS
2023-06-29
The NANOGrav 15 yr Data Set: Observations and Timing of 68 Millisecond Pulsars
Shami ChatterjeeProf Assoc, Astronomy · CAS
2023-06-29
The NANOGrav 15 yr Data Set: Detector Characterization and Noise Budget
Shami ChatterjeeProf Assoc, Astronomy · CAS
2023-02-01
The Event Horizon Telescope Image of the Quasar NRAO 530
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-10-21
An unusual pulse shape change event in PSR J1713+0747 observed with the Green Bank Telescope and CHIME
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-08-02
Resolving the Inner Parsec of the Blazar J1924–2914 with the Event Horizon Telescope
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-07-01
Radio Scattering Horizons for Galactic and Extragalactic Transients
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-07-01
4–8 GHz Fourier-domain Searches for Galactic Center Pulsars
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-06-08
A repeating fast radio burst associated with a persistent radio source
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-27
The Large Dispersion and Scattering of FRB 20190520B Are Dominated by the Host Galaxy
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-27
Redshift Estimation and Constraints on Intergalactic and Interstellar Media from Dispersion and Scattering of Fast Radio Bursts
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-12
Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-01
First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-01
First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-01
First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-01
First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-01
First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-01
First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-05-01
Selective Dynamical Imaging of Interferometric Data
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-04-01
Empirical Assessment of Aperiodic and Periodic Radio Bursts from Young Precessing Magnetars
Ira WassermanProfessor, Astronomy · CAS
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-03-01
Probing the Local Interstellar Medium with Scintillometry of the Bright Pulsar B1133 + 16
2022-03-01
Nonaxisymmetric Precession of Magnetars and Fast Radio Bursts
Ira WassermanProfessor, Astronomy · CAS
Shami ChatterjeeProf Assoc, Astronomy · CAS
2022-01-01
Study of 72 Pulsars Discovered in the PALFA Survey: Timing Analysis, Glitch Activity, Emission Variability, and a Pulsar in an Eccentric Binary
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-12-01
The NANOGrav 12.5-year Data Set: Search for Non-Einsteinian Polarization Modes in the Gravitational-wave Background
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-12-01
An In Situ Study of Turbulence near Stellar Bow Shocks
2021-11-27
The International Pulsar Timing Array second data release: Search for an isotropic gravitational wave background
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-11-01
4–8 GHz Spectrotemporal Emission from the Galactic Center Magnetar PSR J1745–2900
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-10-13
A bimodal burst energy distribution of a repeating fast radio burst source
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-08-01
The NANOGrav 12.5 Year Data Set: Monitoring Interstellar Scattering Delays
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-06-29
Evaluating Low-frequency Pulsar Observations to Monitor Dispersion with the Giant Metrewave Radio Telescope
2021-06-01
An 86 GHz Search for Pulsars in the Galactic Center with the Atacama Large Millimeter / submillimeter Array
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-05-20
Constraints on black-hole charges with the 2017 EHT observations of M87*
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-05-10
Persistent plasma waves in interstellar space detected by Voyager 1
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-04-30
Late-time Radio and Millimeter Observations of Superluminous Supernovae and Long Gamma-Ray Bursts: Implications for Central Engines, Fast Radio Bursts, and Obscured Star Formation
2021-04-01
Constraining Galaxy Halos from the Dispersion and Scattering of Fast Radio Bursts and Pulsars
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-03-01
First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon
Shami ChatterjeeProf Assoc, Astronomy · CAS
2021-03-01
First M87 Event Horizon Telescope Results. VII. Polarization of the Ring
Shami ChatterjeeProf Assoc, Astronomy · CAS
2020-12-01
Pulsar Timing Signatures of Circumbinary Asteroid Belts
Shami ChatterjeeProf Assoc, Astronomy · CAS