1. Center for Gravitation, Cosmology and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201, USA
2. Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, California 91125, USA
3. Department of Physics and Astronomy, Widener University, One University Place, Chester, Pennsylvania 19013, USA
4. Department of Physics, Montana State University, Bozeman, Montana 59717, USA
5. Department of Physics, Oregon State University, Corvallis, Oregon 97331, USA
6. NASA Marshall Space Flight Center, Huntsville, Alabama 35812, USA
7. Department of Physics, Texas Tech University, Box 41051, Lubbock, Texas 79409, USA
8. Department of Physics and Astronomy, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, USA
9. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
10. Institute of Cosmology, Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA
11. Department of Astronomy, University of Maryland, College Park, Maryland 20742
12. Center for Research and Exploration in Space Science and Technology, NASA/GSFC, Greenbelt, Maryland 20771
13. NASA Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
14. Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut), Callinstrasse 38, D-30167, Hannover, Germany
15. Newcastle University, NE1 7RU, Newcastle, United Kingdom
16. X-Ray Astrophysics Laboratory, NASA Goddard Space Flight Center, Code 662, Greenbelt, Maryland 20771, USA
17. Physics Department, University of Florida, Gainesville, Florida 32611, USA
18. Cornell Center for Astrophysics and Planetary Science and Department of Astronomy, Cornell University, Ithaca, New York 14853, USA
19. Cornell Center for Advanced Computing, Cornell University, Ithaca, New York 14853, USA
20. Institute for Gravitational Wave Astronomy and School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
21. Department of Physics and Astronomy, West Virginia University, P.O. Box 6315, Morgantown, West Virginia 26506, USA
22. Center for Gravitational Waves and Cosmology, West Virginia University, Chestnut Ridge Research Building, Morgantown, West Virginia 26505, USA
23. Department of Physics, University of Connecticut, 196 Auditorium Road, U-3046, Storrs, Connecticut 06269-3046, USA
24. Department of Physics, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico 87801, USA
25. Department of Physics and Astronomy, Franklin & Marshall College, P.O. Box 3003, Lancaster, Pennsylvania 17604, USA
26. Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, British Columbia V6T 1Z1, Canada
27. George Mason University, resident at the Naval Research Laboratory, Washington, DC 20375, USA
28. National Radio Astronomy Observatory, 1003 Lopezville Road, Socorro, New Mexico 87801, USA
29. Department of Physics, Hillsdale College, 33 East College Street, Hillsdale, Michigan 49242, USA
30. Eureka Scientific, 2452 Delmer Street, Suite 100, Oakland, California 94602-3017, USA
31. School of Physics and Astronomy, Rochester Institute of Technology, Rochester, New York 14623, USA
32. Laboratory for Multiwavelength Astrophysics, Rochester Institute of Technology, Rochester, New York 14623, USA
33. Center for Computational Astrophysics, Flatiron Institute, 162 5th Avenue, New York, New York 10010, USA
34. Department of Astronomy and Astrophysics, University of Michigan, Ann Arbor, Michigan 48109, USA
35. Department of Astronomy, University of California, Berkeley, 501 Campbell Hall #3411, Berkeley, California 94720, USA
36. Space Science Division, Naval Research Laboratory, Washington, DC 20375-5352, USA
37. University of Washington Bothell, 18115 Campus Way NE, Bothell, Washington 98011, USA
38. SETI Institute, 339 North Bernardo Avenue Suite 200, Mountain View, California 94043, USA
39. Department of Physics, State University of New York at Oswego, Oswego, New York, 13126, USA
40. Department of Astronomy and Astrophysics, University of Toronto, 50 Saint George Street, Toronto, Ontario M5S 3H4, Canada
41. Green Bank Observatory, P.O. Box 2, Green Bank, West Virginia 24944, USA
42. Department of Physics, University of California, Berkeley, California 94720, USA
43. Department of Physics, University of the Pacific, 3601 Pacific Avenue, Stockton, California 95211, USA
44. E.A. Milne Centre for Astrophysics, University of Hull, Cottingham Road, Kingston-upon-Hull, HU6 7RX, United Kingdom
45. Centre of Excellence for Data Science, Artificial Intelligence and Modelling (DAIM), University of Hull, Cottingham Road, Kingston-upon-Hull, HU6 7RX, Unite Kingdom
46. International Centre for Radio Astronomy Research, Curtin University, Bentley, WA 6102, Australia
47. Department of Physics, Yale University, New Haven, Connecticut 06520, USA
48. Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
49. Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto, Ontario M5S 3H4, Canada
50. Department of Physics, Lafayette College, Easton, Pennsylvania 18042, USA
51. Institute of Physics and Astronomy, Eötvös Loránd University, Pázmány P. s. 1/A, 1117 Budapest, Hungary
52. Arecibo Observatory, HC3 Box 53995, Arecibo, Puerto Rico 00612, USA
53. Department of Physics, University of Puerto Rico, Mayagüez, Puerto Rico 00681, USA
54. National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, Virginia 22903, USA
55. Department of Physics, Penn State Abington, Abington, Pennsylvania 19001, USA
56. Institute for Theoretical Physics, University of Münster, 48149 Münster, Germany
57. Giant Army, 915A 17th Avenue, Seattle, Washington 98122, USA
58. Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80309, USA
59. Center for Astrophysics, Harvard University, 60 Garden Street, Cambridge, Massachusetts 02138
60. Department of Physics and Astronomy, Oberlin College, Oberlin, Ohio 44074, USA
61. Department of Physics, Ben-Gurion University of the Negev, Be’er Sheva 84105, Israel
62. Feza Gursey Institute, Bogazici University, Kandilli, 34684, Istanbul, Turkey
63. Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA), Northwestern University, Evanston, Illinois 60208, USA
64. Adler Planetarium, 1300 South DuSable Lake Shore Drive, Chicago, Illinois 60605, USA