Journal article

Detection of Galactic and Extragalactic Millimeter-wavelength Transient Sources with SPT-3G

S Guns, A Foster, C Daley, A Rahlin, N Whitehorn, PAR Ade, Z Ahmed, E Anderes, AJ Anderson, M Archipley, JS Avva, K Aylor, L Balkenhol, PS Barry, R Basu Thakur, K Benabed, AN Bender, BA Benson, F Bianchini, LE Bleem Show all

Astrophysical Journal | IOP Publishing Ltd | Published : 2021

Abstract

High angular resolution cosmic microwave background experiments provide a unique opportunity to conduct a survey of time-variable sources at millimeter wavelengths, a population that has primarily been understood through follow-up measurements of detections in other bands. Here we report the first results of an astronomical transient survey with the South Pole Telescope (SPT) using the SPT-3G camera to observe 1500 deg2 of the southern sky. The observations took place from 2020 March to November in three bands centered at 95, 150, and 220 GHz. This survey yielded the detection of 15 transient events from sources not previously detected by the SPT. The majority are associated with variable st..

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University of Melbourne Researchers

Grants

Awarded by National Science Foundation (NSF)


Awarded by NSF Physics Frontier Center grant


Awarded by Gordon and Betty Moore Foundation


Awarded by U.S. Department of Energy, Office of High Energy Physics


Awarded by Fermi National Accelerator Laboratory, a DOE-OS, HEP User Facility


Awarded by Australian Research Council


Awarded by NSF


Awarded by Direct For Mathematical & Physical Scien; Division Of Physics


Funding Acknowledgements

The authors thank Anna Ho for helpful comments on a draft version of this paper. We are also grateful to Jeff DeRosa and Johan Booth for providing guidance for South Pole weather balloons. Thanks to Charles Gammie, Leslie Looney, Paul Ricker, Bob Rutledge, and Laura Chomiuk for invaluable early discussions. The South Pole Telescope program is supported by the National Science Foundation (NSF) through grants PLR1248097 and OPP-1852617, with this analysis and the online transient program supported by grant AST-1716965. Partial support is also provided by the NSF Physics Frontier Center grant PHY-1125897 to the Kavli Institute of Cosmological Physics at the University of Chicago, the Kavli Foundation, and the Gordon and Betty Moore Foundation through grant GBMF#947 to the University of Chicago. Argonne National Laboratory's work was supported by the U.S. Department of Energy, Office of High Energy Physics, under contract DEAC02-06CH11357. Work at Fermi National Accelerator Laboratory, a DOE-OS, HEP User Facility managed by the Fermi Research Alliance, LLC, was supported under contract No. DE-AC02-07CH11359. The Cardiff authors acknowledge support from the UK Science and Technologies Facilities Council (STFC). The I.A.P. authors acknowledge support from the Centre National d'Etudes Spatiales (CNES). J.V. acknowledges support from the Sloan Foundation. The Melbourne authors acknowledge support from the Australian Research Council's Discovery Project scheme (DP200101068). The McGill authors acknowledge funding from the Natural Sciences and Engineering Research Council of Canada, Canadian Institute for Advanced Research, and the Fonds de recherche du Quebec Nature et technologies. The U.C.L.A. and M.S.U. authors acknowledge support from NSF AST-1716965 and CSSI-1835865. This research was done using resources provided by the Open Science Grid (Pordes et al. 2007; Sfiligoi et al. 2009), which is supported by the NSF award 1148698, and the U.S. Department of Energy's Office of Science. The data analysis pipeline also uses the scientific Python stack (Virtanen et al. 2020; Hunter 2007; van der Walt et al. 2011). This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium).Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. This publication makes use of data products from the Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, and NEOWISE, which is a project of the Jet Propulsion Laboratory/California Institute of Technology. WISE and NEOWISE are funded by the National Aeronautics and Space Administration. This research has made use of the NASA/IPAC Infrared Science Archive, which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. This paper includes data collected by the TESS mission. Funding for the TESS mission is provided by the NASA's Science Mission Directorate.