The THU-NAOC Transient Survey: the Performance and the First-year Result
Tianmeng Zhang, Xiaofeng Wang, Junchen Chen, Jujia Zhang, Li Zhou,, Wenxiong Li, Qing Liu, Jun Mo, Kaicheng Zhang, Xinyu Yao, Xulin Zhao, Xu, Zhou, Jundan Nie, Fang Huang, Zhaoji Jiang, Jun Ma, Lingzhi Wang, Chao Wu,, Zhimin Zhou, Hu Zou, Lifan Wang
TL;DR
The THU-NAOC Transient Survey systematically explores optical transients over 1000 square degrees with high cadence, achieving early supernova detection and demonstrating promising initial performance in its first year.
Contribution
This paper presents the first-year performance and preliminary results of the novel THU-NAOC Transient Survey for optical transient detection.
Findings
Survey covers ~1000 sq. degrees with 3-4 day cadence
Achieved a limiting magnitude of about 19.5 mag
Discovered supernovae at early stages
Abstract
The Tsinghua University-National Astronomical Observatories of China (NAOC) Transient Survey (TNTS) is an automatic survey for a systematic exploration of optical transients (OTs), conducted with a 60/90 cm Schmidt telescope at Xinglong station of NAOC. This survey repeatedly covers ~ 1000 square degrees of the north sky with a cadence of 3-4 days. With an exposure of 60 s, the survey reaches a limited unfiltered magnitude of about 19.5 mag. This enables us to discover supernovae at their relatively young stages. In this paper, we describe the overall performance of our survey during the first year and present some preliminary results.
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