阿塔卡马宇宙学望远镜：三日图的系统性暂现源搜寻
太阳与恒星天体物理
2024-04-12 v1 地球与行星天体物理
天体物理仪器与方法
摘要
我们利用阿塔卡马宇宙学望远镜(ACT)三年(2017–2019)的数据进行了系统性暂现源搜寻。ACT以77 GHz至277 GHz三个波段覆盖40%的天区。对针对点源进行匹配滤波的三日均值相减天空图的分析产生了29个暂现源探测。其中8个暂现源来自已知小行星，另有3个此前已发表。其中4个事件发生在噪声模型较差的区域，因此我们无法确信其为真实暂现源。剩余14个新暂现事件发生在11个独特位置。所有这些事件均与自转变星或冷星相关。10个事件具有平坦或下降谱，表明辐射来自同步辐射。1个事件具有上升谱，表明耀发由不同机制驱动。
引用
@article{arxiv.2303.04767,
title = {The Atacama Cosmology Telescope: Systematic Transient Search of 3-Day Maps},
author = {Yaqiong Li and Emily Biermann and Sigurd Naess and Simone Aiola and Rui An and Nicholas Battaglia and Tanay Bhandarkar and Erminia Calabrese and Steve K. Choi and Kevin T. Crowley and Mark Devlin and Cody J. Duell and Shannon M. Duff and Jo Dunkley and Rolando Dunner and Patricio A. Gallardo and Yilun Guan and Carlos Hervias-Caimapo and Adam D. Hincks and Johannes Hubmayr and Kevin M. Huffenberger and John P. Hughes and Arthur Kosowsky and Thibaut Louis and Maya Mallaby-Kay and Jeff McMahon and Federico Nati and Michael D. Niemack and John Orlowski-Scherer and Lyman Page and Cristobal Sifon and Maria Salatino and Suzanne T. Staggs and Cristian Vargas and Eve M. Vavagiakis and Yuhan Wang and Edward J. Wollack},
journal= {arXiv preprint arXiv:2303.04767},
year = {2024}
}