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The Atacama Cosmology Telescope: Detection of Millimeter-wave Transient Sources

Author(s): Naess, Sigurd; Battaglia, Nick; Richard Bond, J; Calabrese, Erminia; Choi, Steve K; et al

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dc.contributor.authorNaess, Sigurd-
dc.contributor.authorBattaglia, Nick-
dc.contributor.authorRichard Bond, J-
dc.contributor.authorCalabrese, Erminia-
dc.contributor.authorChoi, Steve K-
dc.contributor.authorCothard, Nicholas F-
dc.contributor.authorDevlin, Mark-
dc.contributor.authorDuell, Cody J-
dc.contributor.authorDuivenvoorden, Adriaan J-
dc.contributor.authorDunkley, Jo-
dc.contributor.authorDünner, Rolando-
dc.contributor.authorGallardo, Patricio A-
dc.contributor.authorGralla, Megan-
dc.contributor.authorGuan, Yilun-
dc.contributor.authorHalpern, Mark-
dc.contributor.authorColin Hill, J-
dc.contributor.authorHilton, Matt-
dc.contributor.authorHuffenberger, Kevin M-
dc.contributor.authorKoopman, Brian J-
dc.contributor.authorKosowsky, Arthur B-
dc.contributor.authorMadhavacheril, Mathew S-
dc.contributor.authorMcMahon, Jeff-
dc.contributor.authorNati, Federico-
dc.contributor.authorNiemack, Michael D-
dc.contributor.authorPage, Lyman-
dc.contributor.authorPartridge, Bruce-
dc.contributor.authorSalatino, Maria-
dc.contributor.authorSehgal, Neelima-
dc.contributor.authorSpergel, David-
dc.contributor.authorStaggs, Suzanne-
dc.contributor.authorWollack, Edward J-
dc.contributor.authorXu, Zhilei-
dc.date.accessioned2024-06-11T13:35:15Z-
dc.date.available2024-06-11T13:35:15Z-
dc.date.issued2021-06-29en_US
dc.identifier.citationNaess, Sigurd, Battaglia, Nick, Richard Bond, J, Calabrese, Erminia, Choi, Steve K, Cothard, Nicholas F, Devlin, Mark, Duell, Cody J, Duivenvoorden, Adriaan J, Dunkley, Jo, Dünner, Rolando, Gallardo, Patricio A, Gralla, Megan, Guan, Yilun, Halpern, Mark, Colin Hill, J, Hilton, Matt, Huffenberger, Kevin M, Koopman, Brian J, Kosowsky, Arthur B, Madhavacheril, Mathew S, McMahon, Jeff, Nati, Federico, Niemack, Michael D, Page, Lyman, Partridge, Bruce, Salatino, Maria, Sehgal, Neelima, Spergel, David, Staggs, Suzanne, Wollack, Edward J, Xu, Zhilei. (2021). The Atacama Cosmology Telescope: Detection of Millimeter-wave Transient Sources. The Astrophysical Journal, 915 (1), 14 - 14. doi:10.3847/1538-4357/abfe6den_US
dc.identifier.issn0004-637X-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1pz51m6j-
dc.description.abstractWe report on the serendipitous discovery of three transient mm-wave sources using data from the Atacama Cosmology Telescope. The first, detected at RA = 273.8138, dec = -49.4628 at ∼50σ total, brightened from less than 5 mJy to at least 1100 mJy at 150 GHz with an unknown rise time shorter than thirteen days, during which the increase from 250 mJy to 1100 mJy took only 8 minutes. Maximum flux was observed on 2019-11-8. The source’s spectral index in flux between 90 and 150 GHz was positive, α = 1.5 ± 0.2. The second, detected at RA = 105.1584, dec = -11.2434 at ∼20σ total, brightened from less than 20 mJy to at least 300 mJy at 150 GHz with an unknown rise time shorter than eight days. Maximum flux was observed on 2019-12-15. Its spectral index was also positive, α = 1.8 ± 0.2. The third, detected at RA = 301.9952, dec = 16.1652 at ∼40σ total, brightened from less than 8 mJy to at least 300 mJy at 150 GHz over a day or less but decayed over a few days. Maximum flux was observed on 2018-9-11. Its spectrum was approximately flat, with a spectral index of α = −0.2 ± 0.1. None of the sources were polarized to the limits of these measurements. The two rising-spectrum sources are coincident in position with M and K stars, while the third is coincident with a G star.en_US
dc.format.extent14 - 14en_US
dc.relation.ispartofThe Astrophysical Journalen_US
dc.rightsAuthor's manuscripten_US
dc.titleThe Atacama Cosmology Telescope: Detection of Millimeter-wave Transient Sourcesen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.3847/1538-4357/abfe6d-
dc.date.eissued2021-06-29en_US
dc.identifier.eissn1538-4357-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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