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Tphysicsletters/6879/10/1490/687400tpl/A search for faint resolved galaxies beyond the Milky Way in DES Year 6: A new faint, diffuse dwarf satellite of NGC 55

Monday, September 11, 2023 at 3:15:00 PM UTC

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A search for faint resolved galaxies beyond the Milky Way in DES Year 6: A new faint, diffuse dwarf satellite of NGC 55

M. McNanna, 1 K. Bechtol,1 S. Mau,2, 3 E. O. Nadler,4, 5 J. Medoff,6 A. Drlica-Wagner,6, 7, 8 W. Cerny, 9 D. Crnojevic´, 10 B. Mutlu-Pakdıl, 11 A. K. Vivas, 12 A. B. Pace, 13 J. L. Carlin, 14 M. L. M. Collins, 15 D. Mart´ınez-Delgado, 16 C. E. Mart´ınez-Vazquez ´ , 17 N. E. D. Noel, 15 A. H. Riley, 18 D. J. Sand, 19 A. Smercina, 20 R. H. Wechsler, 2, 3, 21 T. M. C. Abbott,12 M. Aguena,22 O. Alves,23 D. Bacon,24 C. R. Bom, 25 D. Brooks, 26 D. L. Burke,3, 21 J. A. Carballo-Bello, 27 A. Carnero Rosell, 28, 22, 29 J. Carretero, 30 L. N. da Costa,22 T. M. Davis, 31 J. De Vicente, 32 H. T. Diehl, 7 P. Doel,26 I. Ferrero,33 J. Frieman, 7, 8 G. Giannini, 30 D. Gruen, 34 G. Gutierrez, 7 R. A. Gruendl,35, 36 S. R. Hinton,31 D. L. Hollowood,37 K. Honscheid, 38, 39 D. J. James, 40, 41 K. Kuehn, 42, 43 J. L. Marshall, 18 J. Mena-Fernandez ´ , 32 R. Miquel, 44, 30 M. E. S. Pereira,45 A. Pieres, 22, 46 A. A. Plazas Malagon´ , 3, 21 J. D. Sakowska, 15 E. Sanchez, 32 D. Sanchez Cid, 32 B. Santiago,47, 22 I. Sevilla-Noarbe, 32 M. Smith, 48 G. S. Stringfellow, 49 E. Suchyta, 50 M. E. C. Swanson,51 G. Tarle, 23 N. Weaverdyck23, 52 P. Wiseman48 ---------------------------------------------------------------- 1Physics Department, University of Wisconsin-Madison, 1150 University Avenue Madison, WI 53706, USA 2Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA 3Kavli Institute for Particle Astrophysics & Cosmology, P. O. Box 2450, Stanford University, Stanford, CA 94305, USA 4Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USA 5Department of Physics & Astronomy, University of Southern California, Los Angeles, CA, 90007, USA 6Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA 7Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, IL 60510, USA 8Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA 9Department of Astronomy, Yale University, New Haven, CT 06520, USA 10Department of Physics and Astronomy, University of Tampa, 401 West Kennedy Boulevard, Tampa, FL 33606, USA 11Department of Physics and Astronomy, Dartmouth College, Hanover, NH 03755, USA 12Cerro Tololo Inter-American Observatory/NSF’s NOIRLab, Casilla 603, La Serena, Chile 13McWilliams Center for Cosmology, Carnegie Mellon University, 5000 Forbes Ave, Pittsburgh, PA 15213, USA 14Vera C. Rubin Observatory/AURA, 950 N Cherry Ave, Tucson, AZ 85719 USA 15Department of Physics, University of Surrey, Guildford, GU2 7XH, UK 16Instituto de Astrof´ısica de Andaluc´ıa, CSIC, Glorieta de la Astronom´ıa, E-18080, Granada, Spain 17Gemini Observatory, NSF’s NOIRLab, 670 N. A’ohoku Place, Hilo, HI 96720, USA 18George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843, USA 19Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA 20Department of Astronomy, University of Washington, Box 351580, U.W., Seattle, WA 98195-1580, USA 21SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA 22Laborat´orio Interinstitucional de e-Astronomia - LIneA, Rua Gal. Jos´e Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil 23Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA 24Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UK 25Centro Brasileiro de Pesquisas F´ısicas, Rua Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro, RJ, Brazil 26Department of Physics & Astronomy, University College London, Gower Street, London, WC1E 6BT, UK 27Instituto de Alta Investigaci´on, Sede Esmeralda, Universidad de Tarapac´a, Av. Luis Emilio Recabarren 2477, Iquique, Chile 28Instituto de Astrofisica de Canarias, E-38205 La Laguna, Tenerife, Spain 29Universidad de La Laguna, Dpto. Astrof´ısica, E-38206 La Laguna, Tenerife, Spain 30Institut de F´ısica d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra (Barcelona) Spain 31School of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, Australia 32Centro de Investigaciones Energ´eticas, Medioambientales y Tecnol´ogicas (CIEMAT), Madrid, Spain 33Institute of Theoretical Astrophysics, University of Oslo. P.O. Box 1029 Blindern, NO-0315 Oslo, Norway 34University Observatory, Faculty of Physics, Ludwig-Maximilians-Universit¨at, Scheinerstr. 1, 81679 Munich, Germany 35Center for Astrophysical Surveys, National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, USA 36Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA 37Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA 38Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA 39Department of Physics, The Ohio State University, Columbus, OH 43210, USA 40ASTRAVEO LLC, PO Box 1668, MA 01931 41Applied Materials, Inc., 35 Dory Road, Gloucester, MA 01930 42Australian Astronomical Optics, Macquarie University, North Ryde, NSW 2113, Australia 43Lowell Observatory, 1400 Mars Hill Rd, Flagstaff, AZ 86001, USA 44Instituci´o Catalana de Recerca i Estudis Avan¸cats, E-08010 Barcelona, Spain 45Hamburger Sternwarte, Universit¨at Hamburg, Gojenbergsweg 112, 21029 Hamburg, Germany 46Observat´orio Nacional, Rua Gal. Jos´e Cristino 77, Rio de Janeiro, RJ - 20921-400, Brazil 47Instituto de F´ısica, UFRGS, Caixa Postal 15051, Porto Alegre, RS - 91501-970, Brazil 48School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, UK 49Center for Astrophysics and Space Astronomy, University of Colorado, 389 UCB, Boulder, CO 80309-0389, USA 50Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 51National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, USA 52Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA
Theoretical Physics Letters

2023 ° 10(09) ° 0631-8743



Author database, Acknowledgement, Abstract, Introduction, Conclusion, References |
MM and KB acknowledge support from NSF grant AST-2009441. Research by DC is supported by NSF grant AST-1814208. ABP is supported by NSF grant AST-1813881. JLC acknowledges support from NSF grant AST-1816196. CEMV is supported by the international Gemini Observatory, a program of NSF’s NOIRLab, which is managed by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the National Science Foundation, on behalf of the Gemini partnership of Argentina, Brazil, Canada, Chile, the Republic of Korea, and the United States of America. DJS acknowledges support from NSF grant AST-1821967 and AST-2205863. JACB acknowledges support from FONDECYT Regular N 1220083.

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