The NANOGrav 15 yr Data Set: Observations and Timing of 68 Millisecond Pulsars (2024)

Author affiliations

¹ Center for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin−Milwaukee, P.O. Box 413, Milwaukee, WI 53201, USA

² Department of Physics and Astronomy, Franklin & Marshall College, P.O. Box 3003, Lancaster, PA 17604, USA

³ Department of Physics, 1110 West Green Street, Urbana, IL 61801-3003, USA

⁴ Newcastle University, NE1 7RU, UK

⁵ X-Ray Astrophysics Laboratory, NASA Goddard Space Flight Center, Code 662, Greenbelt, MD 20771, USA

⁶ Department of Physics and Astronomy, Widener University, One University Place, Chester, PA 19013, USA

⁷ Physics Department, University of Florida, Gainesville, FL 32611, USA

⁸ Department of Physics and Astronomy, University of Pittsburgh, 3941 O'Hara Street, Pittsburgh, PA 15260, USA

⁹ Pittsburgh Particle Physics, Astrophysics, and Cosmology Center (PITT PACC), University of Pittsburgh, Pittsburgh, PA 15260, USA

¹⁰ Cornell Center for Astrophysics and Planetary Science and Department of Astronomy, Cornell University, Ithaca, NY 14853, USA

¹¹ Cornell Center for Advanced Computing, Cornell University, Ithaca, NY 14853, USA

¹² Institute for Gravitational Wave Astronomy and School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK

¹³ Department of Physics and Astronomy, West Virginia University, P.O. Box 6315, Morgantown, WV 26506, USA

¹⁴ Center for Gravitational Waves and Cosmology, West Virginia University, Chestnut Ridge Research Building, Morgantown, WV 26505, USA

¹⁵ Department of Physics, Oregon State University, Corvallis, OR 97331, USA

¹⁶ Department of Physics and Astronomy, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37235, USA

¹⁷ Department of Physics, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA

¹⁸ Department of Physics, Montana State University, Bozeman, MT 59717, USA

¹⁹ Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T 1Z1, Canada

²⁰ George Mason University, resident at the Naval Research Laboratory, Washington, DC 20375, USA

²¹ National Radio Astronomy Observatory, 1003 Lopezville Rd., Socorro, NM 87801, USA

²² Department of Physics, Hillsdale College, 33 E. College Street, Hillsdale, MI 49242, USA

²³ Eureka Scientific, 2452 Delmer Street, Suite 100, Oakland, CA 94602-3017, USA

²⁴ School of Physics and Astronomy, Rochester Institute of Technology, Rochester, NY 14623, USA

²⁵ Laboratory for Multiwavelength Astrophysics, Rochester Institute of Technology, Rochester, NY 14623, USA

²⁶ Department of Astronomy, University of Maryland, College Park, MD 20742, USA

²⁷ Center for Research and Exploration in Space Science and Technology, NASA/GSFC, Greenbelt, MD 20771, USA

²⁸ NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA

²⁹ Department of Physics, University of Connecticut, 196 Auditorium Road, U-3046, Storrs, CT 06269-3046, USA

³⁰ Center for Computational Astrophysics, Flatiron Institute, 162 5th Avenue, New York, NY 10010, USA

³¹ Department of Astronomy and Astrophysics, University of Michigan, Ann Arbor, MI 48109, USA

³² Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125, USA

³³ Department of Astronomy, University of California, Berkeley, 501 Campbell Hall #3411, Berkeley, CA 94720, USA

³⁴ Space Science Division, Naval Research Laboratory, Washington, DC 20375-5352, USA

³⁵ University of Washington Bothell, 18115 Campus Way NE, Bothell, WA 98011, USA

³⁶ Helmholtz-Institut für Strahlen und Kernphysik (HISKP), University of Bonn, Nussallee 14-16, D-53115 Bonn, Germany

³⁷ Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA

³⁸ Department of Physics, State University of New York at Oswego, Oswego, NY 13126, USA

³⁹ Physics & Astronomy Department, 3047 Physics Building, 900 University Ave., Riverside, CA 92521, USA

⁴⁰ Department of Astronomy & Astrophysics, University of Toronto, 50 Saint George Street, Toronto, ON M5S 3H4, Canada

⁴¹ Green Bank Observatory, P.O. Box 2, Green Bank, WV 24944, USA

⁴² Department of Physics, University of California, Berkeley, CA 94720, USA

⁴³ Department of Physics, University of the Pacific, 3601 Pacific Avenue, Stockton, CA 95211, USA

⁴⁴ E.A. Milne Centre for Astrophysics, University of Hull, Cottingham Road, Kingston-upon-Hull, HU6 7RX, UK

⁴⁵ Centre of Excellence for Data Science, Artificial Intelligence and Modelling (DAIM), University of Hull, Cottingham Road, Kingston-upon-Hull, HU6 7RX, UK

⁴⁶ International Centre for Radio Astronomy Research, Curtin University, Bentley, WA 6102, Australia

⁴⁷ Department of Physics, Yale University, New Haven, CT 06520, USA

⁴⁸ Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, D-22607 Hamburg, Germany

⁴⁹ Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St. George St., Toronto, ON M5S 3H4, Canada

⁵⁰ Department of Physics, Lafayette College, Easton, PA 18042, USA

⁵¹ Institute of Cosmology, Department of Physics and Astronomy, Tufts University, Medford, MA 02155, USA

⁵² Department of Physics, University of Maryland, College Park, MD 20742, USA

⁵³ Institute of Physics and Astronomy, Eötvös Loránd University, Pázmány P.s. 1/A, 1117 Budapest, Hungary

⁵⁴ Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA

⁵⁵ Department of Physics, University of Puerto Rico, Mayagüez, PR 00681, USA

⁵⁶ National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA

⁵⁷ Department of Physics, Texas Tech University, Box 41051, Lubbock, TX 79409, USA

⁵⁸ Minnesota Institute for Astrophysics, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455, USA

⁵⁹ Department of Physics, Penn State Abington, Abington, PA 19001, USA

⁶⁰ Institute for Theoretical Physics, University of Münster, D-48149 Münster, Germany

⁶¹ Giant Army, 915A 17th Ave., Seattle, WA 98122, USA

⁶² Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309, USA

⁶³ Center for Astrophysics, Harvard University, 60 Garden St., Cambridge, MA 02138, USA

⁶⁴ Department of Physics and Astronomy, Oberlin College, Oberlin, OH 44074, USA

⁶⁵ Department of Physics, Ben-Gurion University of the Negev, Be'er Sheva 84105, Israel

⁶⁶ Feza Gursey Institute, Bogazici University, Kandilli, 34684, Istanbul, Turkey

⁶⁷ Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA), Northwestern University, Evanston, IL 60208, USA

⁶⁸ Adler Planetarium, 1300 S. DuSable Lake Shore Dr., Chicago, IL 60605, USA