LIGO detector characterization in the second and third observing runs

@article{Davis2021LIGODC,
  title={LIGO detector characterization in the second and third observing runs},
  author={Derek Davis and Joseph S. Areeda and B. K. Berger and Robert Jeffrey Bruntz and Anamaria Effler and Reed Essick and Rebecca Fisher and Patrick Godwin and E Goetz and A. F. Helmling-Cornell and Barbara J. Hughey and Erotokritos Katsavounidis and Andrew Lundgren and D Macleod and Zsuzsanna Marka and Thomas J. Massinger and Andrew Matas and Jess McIver and Geoffrey Mo and Kentaro Mogushi and P Nguyen and Laura Nuttall and Robert M. S. Schofield and D. H. Shoemaker and Siddharth Soni and Al. Stuver and Alexander L. Urban and Guillermo Valdes and Marissa Walker and Richard J. Abbott and Carl Adams and Rana X. Adhikari and Alena Ananyeva and Stephen Appert and Koya Arai and Yasmeen Asali and Stuart M. Aston and C Austin and A. M. Baer and M. S. Ball and Stefan W. Ballmer and Sharan Banagiri and David Barker and C Barschaw and Lisa Barsotti and Jms Bartlett and Joe Betzwieser and R. H. B. Beda and Dripta Bhattacharjee and J. Bidler and G Billingsley and S{\'e}bastien Biscans and Carl Blair and R. M. Blair and Nina Bode and Phillip Booker and R. G. Bork and Alyssa Bramley and A. F. Brooks and D. D. Brown and A. Buikema and C. Cahillane and Thomas A. Callister and G Caneva Santoro and Kipp C. Cannon and Julian B. Carlin and Koustav Chandra and X. Chen and Nelson Christensen and Alexei A. Ciobanu and Filiberto Clara and C. M. Compton and Steven J. Cooper and K. Rainer Corley and Michael W. Coughlin and Stefanie Countryman and P. B. Covas and D C Coyne and S. Gwynne Crowder and Tito Dal Canton and Barreiro Campos Danila and Laurence Elise Helene Datrier and G. S. Davies and Thomas Dent and Nicholas Didio and C. Di Fronzo and K L Dooley and J C Driggers and Peter Dupej and Sheila E. Dwyer and Taylor M. Etzel and Matthew Evans and Timothy Evans and Stephen Fairhurst and Jon R. Feicht and {\'A}lvaro Fern{\'a}ndez-Galiana and Raymond E. Frey and P. Fritschel and Valera Frolov and P. J. Fulda and Michael Fyffe and Bhooshan Gadre and J. A. Giaime and K. D. Giardina and Gabriela Gonz{\'a}lez and Slawomir Gras and Corey Gray and R Gray and Anna C. Green and A. Gupta and E. K. Gustafson and Richard Gustafson and Jonathan Hanks and Joe Hanson and Terra Hardwick and I. W. Harry and R. K. Hasskew and Matthew Heintze and John Heinzel and Nathan A. Holland and I. J. Hollows and Charlie Hoy and Stephen A Hughey and Sujata Pavan Jadhav and Kamiel Janssens and G. R. Johns and J. Daniel Jones and Shivaraj Kandhasamy and Sudarshan Karki and Marie Kasprzack and Keita Kawabe and David Keitel and N Kijbunchoo and Y. -M. Kim and P. J. King and J. S. Kissel and Shrinivas Kulkarni and Rahul Kumar and Michael Landry and Benjamin Lane and Brian Lantz and Michael Laxen and Yannick K. Lecoeuche and J. N. Leviton and J Liu and Marc Lormand and Ronaldas Macas and Alexandra Macedo and Myron Macinnis and Vuk Mandic and Georgia L. Mansell and Szabolcs M{\'a}rka and Brian Martinez and Katarina Martinovic and Denis Martynov and Kenneth R Mason and F. Matichard and Nergis Mavalvala and R McCarthy and D. E. McClelland and Scott McCormick and Lee McCuller and Connor McIsaac and Terry Mcrae and Greg Mendell and Kara Merfeld and E. L. Merilh and Patrick M. Meyers and Fabian Meylahn and I. Michaloliakos and Hannah Middleton and Joseph C. Mills and Timesh Mistry and Richard K Mittleman and Gerardo Moreno and Conor M Mow-Lowry and S Mozzon and Lyn Zalusky Mueller and Nikhil Mukund and Adam J Mullavey and J. Muth and T. J. N. Nelson and Ansel Neunzert and S. A. Nichols and E. Nitoglia and Jason Oberling and J J Oh and S. H. Oh and Richard J. Oram and R. G. Ormiston and N. D. Ormsby and Charles Osthelder and D. J. Ottaway and Harry Overmier and Archana Pai and Jordan Palamos and Francesco Pannarale and W. Parker and O Patane and M. Patel and Ethan Payne and Arnaud Pele and R. Penhorwood and Carlos J. Perez and Khun Sang Phukon and Marios Pillas and Marc Pirello and Hugh Radkins and K. E. Ramirez and Jonathan W. Richardson and Keith Riles and Karl K. Rink and Norna A. Robertson and Jameson Graef Rollins and Chandra Romel and Janeen H. Romie and M. P. Ross and Kyle Ryan and Travis Sadecki and Mairi Sakellariadou and E. J. Sanchez and L. E. Sanchez and L. Sandles and T. R. Saravanan and Richard L. Savage and Dean M. Schaetzl and Roman Schnabel and Eyal Schwartz and Danny Sellers and Thomas Shaffer and Daniel Sigg and A. M. Sintes and Bram J. J. Slagmolen and J. R. Smith and Kanchan Soni and Borja Sorazu and A P Spencer and Kenneth Strain and D. Strom and L. Sun and Marek J. Szczepańczyk and Jay D. Tasson and Rodrigo Tenorio and M. Thomas and Pieter Thomas and Keith A. Thorne and Karl Toland and Calum I. Torrie and Anh Tu Tran and Gary Traylor and Max Trevor and M. Tse and Gabriele Vajente and N. Van Remortel and Daniel Vander-Hyde and A. F. Vargas and John Veitch and Peter J. Veitch and Krishna Venkateswara and Gautam Venugopalan and Aaron Viets and Ver{\'o}nica Villa-Ortega and Thomas Vo and Cheryl Vorvick and Madeline Wade and Gavin Wallace and Robert L. Ward and Jimmy Warner and Betsy Weaver and Allan J. Weinstein and Rainer Weiss and Karl Wette and D. D. White and L. V. White and Chris Whittle and Andrew Williamson and Benno Willke and C. C. Wipf and L Xiao and Renxin Xu and H. Yamamoto and Hang Yu and Haocun Yu and L. Zhang and Y. Zheng and Michael Edward Zucker and J. G. Zweizig},
  journal={Classical and Quantum Gravity},
  year={2021},
  volume={38}
}
The characterization of the Advanced LIGO detectors in the second and third observing runs has increased the sensitivity of the instruments, allowing for a higher number of detectable gravitational-wave signals, and provided confirmation of all observed gravitational-wave events. In this work, we present the methods used to characterize the LIGO detectors and curate the publicly available datasets, including the LIGO strain data and data quality products. We describe the essential role of these… 
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