M. Archipley^7,3, D. R. Barron⁹, K. Benabed¹, A. N. Bender^4,3,7, B. A. Benson^6,3,7, F. Bianchini^10,11,12, L. E. Bleem^4,3,7, S. Bocquet¹³, F. R. Bouchet¹, L. Bryant¹⁴, M. G. Campitiello⁴, J. E. Carlstrom^3,14,2,4,7, J. Carron^15,16, C. L. Chang^4,3,7, P. Chaubal⁸, P. M. Chichura^2,3, A. Chokshi⁷, T.-L. Chou^7,3,17, A. Coerver¹⁸, T. M. Crawford^7,3, C. Daley^19,20, T. de Haan²¹, K. R. Dibert^7,3, M. A. Dobbs^22,23, M. Doohan⁸, A. Doussot¹, D. Dutcher²⁴, W. Everett²⁵, C. Feng^26,27,28, K. R. Ferguson^29,30, N. C. Ferree^31,10,11, A. Foster²⁴, S. Galli¹, A. E. Gambrel³, A. K. Gao²⁸, R. W. Gardner¹⁴, F. Ge^31,10,11,5, N. Goeckner-Wald^11,10, R. Gualtieri^4,32, S. Guns¹⁸, N. W. Halverson^33,34, E. Hivon¹, A. Y. Q. Ho³⁵, G. P. Holder²⁸, W. L. Holzapfel¹⁸, J. C. Hood³, A. Hryciuk^2,3, N. Huang¹⁸, T. Jhaveri^7,3, F. Kéruzoré⁴, L. Knox⁵, M. Korman³⁶, K. Kornoelje^7,3,4, C.-L. Kuo^10,11,12, K. Levy⁸, Y. Li³, A. E. Lowitz³, C. Lu²⁸, G. P. Lynch⁵, T. J. Maccarone³⁷, A. S. Maniyar^10,11,12, E. S. Martsen^7,3, F. Menanteau^20,38, M. Millea¹⁸, J. Montgomery²², Y. Nakato¹¹, T. Natoli³, G. I. Noble^39,40, Y. Omori^7,3, A. Ouellette²⁸, Z. Pan^4,3,2, P. Paschos¹⁴, K. A. Phadke^20,38,41, A. W. Pollak⁷, K. Prabhu⁵, W. Quan^4,2,3, M. Rahimi⁸, A. Rahlin^7,3, C. L. Reichardt⁸, M. Rouble²², J. E. Ruhl³⁶, E. Schiappucci⁸, A. C. Silva Oliveira^31,10,11, A. Simpson^7,3, J. A. Sobrin^6,3, A. A. Stark⁴², J. Stephen¹⁴, C. Tandoi²⁰, B. Thorne⁵, C. Trendafilova³⁸, C. Umilta²⁸, J. D. Vieira^20,28,38, A. G. Vieregg^3,7,14,2, Y. Wan^20,38, N. Whitehorn³⁰, W. L. K. Wu^31,10,12, M. R. Young^6,3, and J. A. Zebrowski^3,7,6 (SPT-3G Collaboration)

• ¹Sorbonne Université, CNRS, UMR 7095, Institut d’Astrophysique de Paris, 98 bis bd Arago, 75014 Paris, France
• ²Department of Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
• ³Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
• ⁴High-Energy Physics Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois 60439, USA
• ⁵Department of Physics and Astronomy, University of California, One Shields Avenue, Davis, California 95616, USA
• ⁶Fermi National Accelerator Laboratory, MS209, P.O. Box 500, Batavia, Illinois 60510, USA
• ⁷Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
• ⁸School of Physics, University of Melbourne, Parkville, VIC 3010, Australia
• ⁹Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131, USA
• ¹⁰Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305, USA
• ¹¹Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, California 94305, USA
• ¹²SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
• ¹³University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, 81679 Munich, Germany
• ¹⁴Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
• ¹⁵Université de Genève, Département de Physique Théorique, 24 Quai Ansermet, CH-1211 Genève 4, Switzerland
• ¹⁶Department of Physics and Astronomy, University of Sussex, Brighton BN1 9QH, United Kingdom
• ¹⁷National Taiwan University, No. 1, Sec.IV, Roosevelt Road, Taipei 106319, Taiwan
• ¹⁸Department of Physics, University of California, Berkeley, California 94720, USA
• ¹⁹Université Paris-Saclay, Université Paris Cité, CEA, CNRS, AIM, 91191, Gif-sur-Yvette, France
• ²⁰Department of Astronomy, University of Illinois Urbana-Champaign, 1002 West Green Street, Urbana, Illinois 61801, USA
• ²¹High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
• ²²Department of Physics and McGill Space Institute, McGill University, 3600 Rue University, Montreal, Quebec H3A 2T8, Canada
• ²³Canadian Institute for Advanced Research, CIFAR Program in Gravity and the Extreme Universe, Toronto, Ontario M5G 1Z8, Canada
• ²⁴Joseph Henry Laboratories of Physics, Jadwin Hall, Princeton University, Princeton, New Jersey 08544, USA
• ²⁵Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80309, USA
• ²⁶Department of Astronomy, University of Science and Technology of China, Hefei 230026, China
• ²⁷School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, China
• ²⁸Department of Physics, University of Illinois Urbana-Champaign, 1110 West Green Street, Urbana, Illinois 61801, USA
• ²⁹Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA
• ³⁰Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
• ³¹California Institute of Technology, 1200 East California Boulevard., Pasadena, California, 91125, USA
• ³²Department of Physics and Astronomy, Northwestern University, 633 Clark St, Evanston, Illinois 60208, USA
• ³³CASA, Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80309, USA
• ³⁴Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
• ³⁵Department of Astronomy, Cornell University, Ithaca, New York 14853, USA
• ³⁶Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106, USA
• ³⁷Department of Physics and Astronomy, Box 41051, Texas Tech University, Lubbock Texas 79409-1051, USA
• ³⁸Center for AstroPhysical Surveys, National Center for Supercomputing Applications, Urbana, Illinois 61801, USA
• ³⁹Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto, Ontario, M5S 3H4, Canada
• ⁴⁰David A. Dunlap Department of Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto, Ontario, M5S 3H4, Canada
• ⁴¹NSF-Simons AI Institute for the Sky (SkAI), 172 East Chestnut Street, Chicago, Illinois 60611, USA
• ⁴²Center for Astrophysics/Harvard and Smithsonian, 60 Garden Street, Cambridge, Massachusetts 02138, USA

• ^*Contact author: vitrier@iap.fr