The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2024
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| author | Biermann, Emily K. Li, Yaqiong Naess, Sigurd Choi, Steve K. Clark, Susan E. Devlin, Mark Dunkley, Jo Gallardo, P. A. Guan, Yilun Foster, Allen Hasselfield, Matthew Hervías-Caimapo, Carlos Hilton, Matt Hincks, Adam D. Ho, Anna Y. Q. Hood II, John C. Huffenberger, Kevin M. Kosowsky, Arthur Niemack, Michael D. Orlowski-Scherer, John Page, Lyman Partridge, Bruce Salatino, Maria Sifón, Cristóbal Staggs, Suzanne T. Vargas, Cristian Wollack, Edward J. |
| author_facet | Biermann, Emily K. Li, Yaqiong Naess, Sigurd Choi, Steve K. Clark, Susan E. Devlin, Mark Dunkley, Jo Gallardo, P. A. Guan, Yilun Foster, Allen Hasselfield, Matthew Hervías-Caimapo, Carlos Hilton, Matt Hincks, Adam D. Ho, Anna Y. Q. Hood II, John C. Huffenberger, Kevin M. Kosowsky, Arthur Niemack, Michael D. Orlowski-Scherer, John Page, Lyman Partridge, Bruce Salatino, Maria Sifón, Cristóbal Staggs, Suzanne T. Vargas, Cristian Wollack, Edward J. |
| contents | We conduct a systematic search for astrophysical transients using data from the Atacama Cosmology Telescope (ACT). The data were taken from 2017 to 2022 in three frequency bands spanning 77 GHz to 277 GHz. In this paper we present a pipeline for transient detection using single observation maps where each pixel of a map contains one observation with an integration time of approximately four minutes. We detect 34 transient events at 27 unique locations. All but two of the transients are associated with Galactic stars and exhibit a wide range of properties. We also detect an event coincident with the classical nova YZ Ret and one event consistent with a flaring active galactic nucleus. We notably do not detect any reverse shock emission from gamma ray bursts, a non-detection that may be in tension with current models. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2409_08429 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps Biermann, Emily K. Li, Yaqiong Naess, Sigurd Choi, Steve K. Clark, Susan E. Devlin, Mark Dunkley, Jo Gallardo, P. A. Guan, Yilun Foster, Allen Hasselfield, Matthew Hervías-Caimapo, Carlos Hilton, Matt Hincks, Adam D. Ho, Anna Y. Q. Hood II, John C. Huffenberger, Kevin M. Kosowsky, Arthur Niemack, Michael D. Orlowski-Scherer, John Page, Lyman Partridge, Bruce Salatino, Maria Sifón, Cristóbal Staggs, Suzanne T. Vargas, Cristian Wollack, Edward J. High Energy Astrophysical Phenomena Astrophysics of Galaxies Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics We conduct a systematic search for astrophysical transients using data from the Atacama Cosmology Telescope (ACT). The data were taken from 2017 to 2022 in three frequency bands spanning 77 GHz to 277 GHz. In this paper we present a pipeline for transient detection using single observation maps where each pixel of a map contains one observation with an integration time of approximately four minutes. We detect 34 transient events at 27 unique locations. All but two of the transients are associated with Galactic stars and exhibit a wide range of properties. We also detect an event coincident with the classical nova YZ Ret and one event consistent with a flaring active galactic nucleus. We notably do not detect any reverse shock emission from gamma ray bursts, a non-detection that may be in tension with current models. |
| title | The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps |
| topic | High Energy Astrophysical Phenomena Astrophysics of Galaxies Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2409.08429 |