Ross J. Jennings

Postdoctoral researcher in astrophysics

rossjjennings
0000-0003-1082-2342
@rossjjennings.net

Publications

Journal Articles

Sofia V. Sosa Fiscella, Michael T. Lam, Gabriella Agazie, and 47 others, including Ross J. Jennings.
The NANOGrav 15-Year Data Set: Improved Timing Precision With VLBI Astrometric Priors.
Submitted to The Astrophysical Journal (2025).
(arXiv)

Lankeswar Dey, Ross J. Jennings, Jackson D. Taylor, and 48 others.
NANOGrav 15-year Data Set: Search for Gravitational Scattering of Pulsars by Free-Floating Objects in Interstellar Space.
Submitted to The Astrophysical Journal (2025).
(arXiv)

Michael T. Lam, David L. Kaplan, Gabriella Agazie, and 46 others, including Ross J. Jennings.
The NANOGrav 15-Year Data Set: A Case Study for Simplified Dispersion Measure Modeling for PSR J1455-3330 and the Impact on Gravitational Wave Sensitivity.
Submitted to The Astrophysical Journal (2025).
(arXiv)

Cayenne Matt, Kayhan Gultekin, Luke Kelley, and 104 others, including Ross J. Jennings.
Inferring Mbh-Mbulge Evolution from the Gravitational Wave Background.
Submitted to The Astrophysical Journal (2025).
(arXiv)

Nikita Agarwal, Gabriella Agazie, Akash Anumarlapudi, and 116 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Targeted Searches for Supermassive Black Hole Binaries.
Submitted to The Astrophysical Journal Letters (2025).
3 citations (arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 102 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Search for Gravitational-wave Memory.
The Astrophysical Journal 987, 5 (2025).
1 citation (DOI | ADS)

William Fiore, Maura A. McLaughlin, Gabriella Agazie, and 46 others, including Ross J. Jennings.
Pulse Profile Variability of PSR J1022+1001 in NANOGrav Data.
The Astrophysical Journal 984, 139 (2025).
2 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 104 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Harmonic Analysis of the Pulsar Angular Correlations.
The Astrophysical Journal 985, 99 (2025).
5 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 102 others, including Ross J. Jennings.
The NANOGrav 15 Yr Data Set: Removing Pulsars One by One from the Pulsar Timing Array.
The Astrophysical Journal 978, 168 (2025).
2 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 102 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Running of the Spectral Index.
The Astrophysical Journal Letters 978, L29 (2025).
8 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 99 others, including Ross J. Jennings.
The NANOGrav 15 yr data set: Posterior predictive checks for gravitational-wave detection with pulsar timing arrays.
Physical Review D 111, 42011 (2025).
8 citations (DOI | ADS | arXiv)

Thomas Donlon II, Sukanya Chakrabarti, Michael T. Lam, and 53 others, including Ross J. Jennings.
The Anomalous Acceleration of PSR J2043+1711: Long-Period Orbital Companion or Stellar Flyby?.
The Astrophysical Journal 983, 62 (2025).
3 citations (DOI | ADS | arXiv)

Gabriella Agazie, Paul T. Baker, Bence Bécsy, and 80 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Looking for Signs of Discreteness in the Gravitational-wave Background.
The Astrophysical Journal 978, 31 (2025).
22 citations (DOI | ADS | arXiv)

Yifan Chen, Matthias Daniel, Daniel J. D'Orazio, and 107 others, including Ross J. Jennings.
Galaxy Tomography with the Gravitational Wave Background from Supermassive Black Hole Binaries.
arXiv:2411.05906 (2024).
13 citations (arXiv)

Ross J. Jennings, James M. Cordes, and Shami Chatterjee.
Characterizing the effects of pulse shape changes on pulsar timing precision.
arXiv:2411.00236 (2024).
(arXiv)

Bjorn Larsen, Chiara M. F. Mingarelli, Jeffrey S. Hazboun, and 61 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Chromatic Gaussian Process Noise Models for Six Pulsars.
The Astrophysical Journal Letters 972, 49 (2024).
2 citations (DOI | ADS | arXiv)

Abhimanyu Susobhanan, David L. Kaplan, Anne M. Archibald, and 21 others, including Ross J. Jennings.
PINT: Maximum-likelihood Estimation of Pulsar Timing Noise Parameters.
The Astrophysical Journal 971, 150 (2024).
(DOI | ADS | arXiv)

Lankeswar Dey, Maura A. McLaughlin, Haley M. Wahl, and 32 others, including Ross J. Jennings.
Exploring pulsar timing precision: A comparative study of polarization calibration methods for NANOGrav data from the Green Bank Telescope.
The Astrophysical Journal 977, 114 (2024).
4 citations (DOI | ADS | arXiv)

Aaron D. Johnson, Patrick M. Meyers, Paul T. Baker, and 95 others, including Ross J. Jennings.
NANOGrav 15-year gravitational-wave background methods.
Physical Review D 109, 3012 (2024).
45 citations (DOI | ADS | arXiv)

G. Agazie, J. Antoniadis, A. Anumarlapudi, and 242 others, including Ross J. Jennings.
Comparing Recent Pulsar Timing Array Results on the Nanohertz Stochastic Gravitational-wave Background.
The Astrophysical Journal 966, 105 (2024).
82 citations (DOI | ADS | arXiv)

Ross J. Jennings, James M. Cordes, Shami Chatterjee, and 41 others.
An Unusual Pulse Shape Change Event in PSR J1713+0747 Observed with the Green Bank Telescope and CHIME.
The Astrophysical Journal 964, 179 (2024).
14 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 97 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Search for Transverse Polarization Modes in the Gravitational-wave Background.
The Astrophysical Journal Letters 964, 14 (2024).
11 citations (DOI | ADS | arXiv)

Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker, and 86 others, including Ross J. Jennings.
The NANOGrav 12.5 yr Data Set: A Computationally Efficient Eccentric Binary Search Pipeline and Constraints on an Eccentric Supermassive Binary Candidate in 3C 66B.
The Astrophysical Journal 963, 144 (2024).
6 citations (DOI | ADS | arXiv)

Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker, and 88 others, including Ross J. Jennings.
The NANOGrav 12.5 yr Data Set: Search for Gravitational Wave Memory.
The Astrophysical Journal 963, 61 (2024).
5 citations (DOI | ADS | arXiv)

Bence Bécsy, Neil J. Cornish, Patrick M. Meyers, and 93 others, including Ross J. Jennings.
How to Detect an Astrophysical Nanohertz Gravitational Wave Background.
The Astrophysical Journal 959, 9 (2023).
7 citations (DOI | ADS | arXiv)

Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker, and 87 others, including Ross J. Jennings.
The NANOGrav 12.5-year Data Set: Search for Gravitational Wave Memory.
arXiv:2307.13797 (2023).
10 citations (arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 90 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Search for Anisotropy in the Gravitational-wave Background.
The Astrophysical Journal Letters 956, 3 (2023).
74 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 112 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background.
The Astrophysical Journal Letters 952, 37 (2023).
227 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 96 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries.
The Astrophysical Journal Letters 951, 50 (2023).
76 citations (DOI | ADS | arXiv)

Zaven Arzoumanian, Paul T. Baker, Laura Blecha, and 76 others, including Ross J. Jennings.
The NANOGrav 12.5 yr Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries.
The Astrophysical Journal Letters 951, 28 (2023).
34 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 89 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Detector Characterization and Noise Budget.
The Astrophysical Journal Letters 951, 10 (2023).
90 citations (DOI | ADS | arXiv)

Adeela Afzal, Gabriella Agazie, Akash Anumarlapudi, and 121 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Search for Signals from New Physics.
The Astrophysical Journal Letters 951, 11 (2023).
476 citations (DOI | ADS | arXiv)

Gabriella Agazie, Md Faisal Alam, Akash Anumarlapudi, and 98 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Observations and Timing of 68 Millisecond Pulsars.
The Astrophysical Journal Letters 951, 9 (2023).
199 citations (DOI | ADS | arXiv)

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, and 112 others, including Ross J. Jennings.
The NANOGrav 15 yr Data Set: Evidence for a Gravitational-wave Background.
The Astrophysical Journal Letters 951, 8 (2023).
812 citations (DOI | ADS | arXiv)

M. Falxa, S. Babak, P. T. Baker, and 125 others, including Ross J. Jennings.
Searching for continuous Gravitational Waves in the second data release of the International Pulsar Timing Array.
Monthly Notices of the Royal Astronomical Society 521, 5077 (2023).
43 citations (DOI | ADS | arXiv)

J. Antoniadis, Z. Arzoumanian, S. Babak, and 123 others, including Ross J. Jennings.
The International Pulsar Timing Array second data release: Search for an isotropic gravitational wave background.
Monthly Notices of the Royal Astronomical Society 510, 4873 (2022).
244 citations (DOI | ADS | arXiv)

Zaven Arzoumanian, Paul T. Baker, Harsha Blumer, and 69 others, including Ross J. Jennings.
The NANOGrav 12.5-year Data Set: Search for Non-Einsteinian Polarization Modes in the Gravitational-wave Background.
The Astrophysical Journal Letters 923, 22 (2021).
39 citations (DOI | ADS | arXiv)

Zaven Arzoumanian, Paul T. Baker, Harsha Blumer, and 63 others, including Ross J. Jennings.
Searching for Gravitational Waves from Cosmological Phase Transitions with the NANOGrav 12.5-Year Dataset.
Physical Review Letters 127, 251302 (2021).
112 citations (DOI | ADS | arXiv)

E. Fonseca, H. T. Cromartie, T. T. Pennucci, and 42 others, including Ross J. Jennings.
Refined Mass and Geometric Measurements of the High-mass PSR J0740+6620.
The Astrophysical Journal Letters 915, 12 (2021).
622 citations (DOI | ADS | arXiv)

Zaven Arzoumanian, Paul T. Baker, Adam Brazier, and 54 others, including Ross J. Jennings.
The NANOGrav 11 yr Data Set: Limits on Supermassive Black Hole Binaries in Galaxies within 500 Mpc.
The Astrophysical Journal Letters 914, 121 (2021).
29 citations (DOI | ADS | arXiv)

Nihan S. Pol, Stephen R. Taylor, Luke Zoltan Kelley, and 50 others, including Ross J. Jennings.
Astrophysics Milestones For Pulsar Timing Array Gravitational Wave Detection.
The Astrophysical Journal Letters 911, 34 (2021).
101 citations (DOI | ADS | arXiv)

Zaven Arzoumanian, Paul T. Baker, Harsha Blumer, and 59 others, including Ross J. Jennings.
The NANOGrav 12.5-yr Data Set: Search for an Isotropic Stochastic Gravitational Wave Background.
The Astrophysical Journal Letters 905, L34 (2020).
756 citations (DOI | ADS | arXiv)

Zaven Arzoumanian, Paul T. Baker, Adam Brazier, and 57 others, including Ross J. Jennings.
Multimessenger Gravitational Wave Searches with Pulsar Timing Arrays: Application to 3C 66B Using the NANOGrav 11-yr Data Set.
The Astrophysical Journal 900, 102 (2020).
39 citations (DOI | ADS | arXiv)

Ross J. Jennings, James M. Cordes, and Shami Chatterjee.
Pulsar Timing Signatures of Circumbinary Asteroid Belts.
The Astrophysical Journal 904, 191 (2020).
3 citations (DOI | ADS | arXiv)

Jing Luo, Scott Ransom, Paul Demorest, and 13 others, including Ross J. Jennings.
PINT: A Modern Software Package for Pulsar Timing.
The Astrophysical Journal 911, 45 (2020).
93 citations (DOI | ADS | arXiv)

Md F. Alam, Zaven Arzoumanian, Paul T. Baker, and 68 others, including Ross J. Jennings.
The NANOGrav 12.5-year Data Set: Wideband Timing of 47 Millisecond Pulsars.
The Astrophysical Journal Supplement 252, 5 (2020).
97 citations (DOI | ADS | arXiv)

Md. Faisal Alam, Zaven Arzoumanian, Paul T. Baker, and 68 others, including Ross J. Jennings.
The NANOGrav 12.5-year Data Set: Observations and Narrowband Timing of 47 Millisecond Pulsars.
The Astrophysical Journal Supplement 252, 4 (2020).
129 citations (DOI | ADS | arXiv)

M. Vallisneri, S. R. Taylor, J. Simon, and 61 others, including Ross J. Jennings.
Modeling the Uncertainties of Solar System Ephemerides for Robust Gravitational Wave Searches with Pulsar Timing Arrays.
The Astrophysical Journal 893, 112 (2020).
66 citations (DOI | ADS | arXiv)

Ross J. Jennings, James M. Cordes, and Shami Chatterjee.
Detecting Gravitational Scattering of Interstellar Objects Using Pulsar Timing.
The Astrophysical Journal 889, 145 (2020).
5 citations (DOI | ADS | arXiv)

J. S. Hazboun, J. Simon, S. R. Taylor, and 60 others, including Ross J. Jennings.
The NANOGrav 11 yr Data Set: Evolution of Gravitational-Wave Background Statistics.
The Astrophysical Journal 890, 108 (2020).
31 citations (DOI | ADS | arXiv)

K. Aggarwal, Z. Arzoumanian, P. T. Baker, and 58 others, including Ross J. Jennings.
The NANOGrav 11 yr Data Set: Limits on Gravitational Wave Memory.
The Astrophysical Journal 889, 38 (2020).
44 citations (DOI | ADS | arXiv)

K. Aggarwal, Z. Arzoumanian, P. T. Baker, and 61 others, including Ross J. Jennings.
The NANOGrav 11 yr Data Set: Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries.
The Astrophysical Journal 880, 116 (2019).
136 citations (DOI | ADS | arXiv)

Ross J. Jennings, David L. Kaplan, Shami Chatterjee, and 2 others.
Binary Pulsar Distances and Velocities from Gaia Data Release 2.
The Astrophysical Journal 864, 26 (2018).
54 citations (DOI | ADS | arXiv)

D. W. Gerdes, R. J. Jennings, G. M. Bernstein, and 64 others.
Observation of Two New L4 Neptune Trojans in the Dark Energy Survey Supernova Fields.
The Astronomical Journal 151, 39 (2016).
18 citations (DOI | ADS | arXiv)

Ross J. Jennings, Jay D. Tasson, and Shun Yang.
Matter-Sector Lorentz Violation in Binary Pulsars.
Physical Review D 92, 125028 (2015).
(DOI | ADS | arXiv)

Conference Talks

Ross J. Jennings. Cyclic Spectroscopy for Pulsar Scintillometry.
DSA-2000 community Zoom meeting, held virtually.

Ross J. Jennings. Principal Component Analysis for Pulsar Timing in the Presence of Shape Changes.
2024 International Pulsar Timing Array meeting, Sexten Center for Astrophysics, Sexten (Sesto), BZ, Italy.

Ross J. Jennings. Progress Toward a Cyclic Spectroscopy Backend for the Green Bank Telescope.
GBO/NRAO Postdoc Symposium, Green Bank Observatory, Green Bank, WV.

Ross J. Jennings. Progress Toward a Cyclic Spectroscopy Backend for the Green Bank Telescope.
Fall 2023 NANOGrav collaboration meeting, University of British Columbia, Vancouver, BC, Canada.

Ross J. Jennings. A Tour of Pulsar Timing and PTA Noise Modeling.
Unravelling the Universe with PTAs Workshop, November 2023, University of Pittsburgh, Pittsburgh, PA.

Ross J. Jennings. The March 2021 Shape Change Event in J1713+0747 as Seen by NANOGrav.
2023 International Pulsar Timing Array meeting, Port Douglas, QLD, Australia.

Ross J. Jennings. How to Find Profile Shape Changes (and More) with Quicklook.
Spring 2023 NANOGrav collaboration meeting, Oregon State University, Corvallis, OR.

Ross J. Jennings. GBT and CHIME Observations of a Pulse Shape Change Event in PSR J1713+0747.
GBO community webinar, January 2023, held virtually.

Ross J. Jennings. Recovery of PSR J1713+0747 from a Profile Shape Change Event.
Spring 2022 NANOGrav collaboration meeting, Flatiron Institute for Computational Astrophysics, New York, NY.

Ross J. Jennings. Improving Pulsar Timing by Detecting and Correcting for Pulse Shape Changes.
June 2022 AAS Meeting, Pasadena, CA.

Ross J. Jennings. An Abrupt Pulse Shape Change in PSR J1713+0747.
Fall 2021 NANOGrav collaboration meeting, Vanderbilt University, Nashville, TN.

Ross J. Jennings. Asteroid Belts and Pulsar Binaries.
Spring 2020 NANOGrav collaboration meeting, University of Central Florida, Orlando, FL.

Ross J. Jennings. Detecting Interstellar Objects on Hyperbolic Orbits Using Pulsar Timing.
Fall 2019 NANOGrav collaboration meeting, Cornell University, Ithaca, NY.

Ross J. Jennings. Correcting Jitter Noise in Pulsar Timing.
Fall 2018 NANOGrav collaboration meeting, Green Bank Observatory, Green Bank, WV.

Ross J. Jennings. Parallax Measurements and the Kinematics of the Galactic MSP Population.
Spring 2018 NANOGrav collaboration meeting, University of Virginia, Charlottesville, VA.

Ross J. Jennings, James M. Cordes, and Shami Chatterjee. Characterizing and Mitigating Pulsar Timing Errors Caused by Intrinsic Pulse Shape Variability.
January 2021 AAS Meeting, held virtually.

Posters

Ross J. Jennings, Using Principal Component Analysis to Account for Pulse Shape Variation in Pulsar Timing Array Data.
January 2025 AAS Meeting, National Harbor, MD.

Ross J. Jennings, Ryan S. Lynch, and Jacob E. Turner, Developing a Cyclic Spectroscopy Backend for the Green Bank Telescope.
Spring 2024 NANOGrav collaboration meeting, held virtually.

Ross J. Jennings, James M. Cordes, and Shami Chatterjee, Characterizing and Mitigating Pulsar Timing Errors Caused by Intrinsic Pulse Shape Variability.
January 2021 AAS meeting, held virtually.

S. K. Ocker, J. M. Cordes, S. Chatterjee, and 2 others, including Ross J. Jennings, Assessing Chromatic Arrival Time Perturbations for NANOGrav's Error Budget.
January 2020 AAS Meeting, Honolulu, HI.

Ross J. Jennings, Detecting Hyperbolic Scattering of Interstellar Objects with NANOGrav Pulsar Timing Data.
January 2019 AAS Meeting, Seattle, WA.
(ADS)

Karen I. Perez, Ross J. Jennings, and James M. Cordes, A Method for Mitigating Jitter Noise in Pulsar Timing.
January 2019 AAS Meeting, Seattle, WA.
(ADS)

Carly Snell, Illeana Gomez Leal, Lisa Kaltenegger, and Ross J. Jennings, How Obliquity Influences the Climate of Aquaplanets.
January 2017 AAS Meeting, Grapevine, TX.
(ADS)

Ross J. Jennings, Observation of New Trans-Neptunian Objects in the Dark Energy Survey Supernova Fields.
January 2015 AAS Meeting, Seattle, WA.
(ADS)

Minor Planet Electronic Circulars

D. James, R. Ogando, R. Cawthon, and 3 others, including Ross J. Jennings. 2013 RB98.
(MPC)

J. Frieman, D. Gerdes, K. Honscheid, and 3 others, including Ross J. Jennings. 2012 VS113.
(MPC)