Evan D. Hall¹, Kevin Kuns¹, Joshua R. Smith², Yuntao Bai³, Christopher Wipf⁴, Sebastien Biscans^4,1, Rana X Adhikari⁴, Koji Arai⁴, Stefan Ballmer⁵, Lisa Barsotti¹, Yanbei Chen³, Matthew Evans¹, Peter Fritschel¹, Jan Harms^6,7, Brittany Kamai^8,9, Jameson Graef Rollins⁴, David Shoemaker¹, Bram J. J. Slagmolen¹⁰, Rainer Weiss¹, and Hiro Yamamoto⁴

• ¹LIGO Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
• ²Nicholas and Lee Begovich Center for Gravitational-Wave Physics and Astronomy, California State University, Fullerton, Fullerton, California 92831, USA
• ³Walter Burke Institute for Theoretical Physics, California Institute of Technology, Pasadena, California 91125, USA
• ⁴LIGO Laboratory, California Institute of Technology, Pasadena, California 91125, USA
• ⁵Department of Physics, Syracuse University, Syracuse, New York 13244, USA
• ⁶Gran Sasso Science Institute (GSSI), I-67100 L’Aquila, Italy
• ⁷INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
• ⁸Department of Astronomy and Astrophysics, University of California Santa Cruz, Santa Cruz, California 95064, USA
• ⁹Department of Mechanical and Civil Engineering, California Institute of Technology, Pasadena, California 91125, USA
• ¹⁰OzGrav, ANU Centre for Gravitational Astrophysics, Research Schools of Physics, and Astronomy and Astrophysics, The Australian National University, Canberra, Australian Capital Territory 2601, Australia