Roman CCS 白皮书:通过增补稀疏 F213 滤光片观测识别高红移对不稳定性超新星
高能天体物理现象
2023-07-03 v1 太阳与恒星天体物理
摘要
对不稳定性超新星(PISNe)是极高质量恒星的爆发,可能在早期宇宙的化学演化与再电离中发挥了关键作用。为量化其作用,需要了解 z > 6 处的 PISN 事件率。尽管 Roman 空间望远镜具备发现 z > 6 处 PISN 的能力,但在众多其他暂现源中识别罕见的高红移 PISN 候选体仍具挑战性。为高效识别 z > 6 处的 PISN 候选体,我们提议在高纬时间域巡天中每半年增补一次达到 26.5 mag(或更深)的稀疏 F213 观测。通过加入 F213 信息,可在星等-颜色图中高效识别 z > 6 处的 PISN。
引用
@article{arxiv.2306.17212,
title = {Roman CCS White Paper: Identifying high-redshift pair-instability supernovae by adding sparse F213 filter observations},
author = {Takashi Moriya and Ori D. Fox and Robert Quimby and Steve Schulze and Ashley Villar and Armin Rest and Norman Grogin and Sebastian Gomez and David Rubin and Matt Siebert and Susan Kassin and Eniko Regos and Lou Strolger and Anton Koekemoer and Steven Finkelstein and Suvi Gezari and Seppo Mattila and Tea Temim and Melissa Shahbandeh and Bob Williams and Ting-Wan Chen and Isobel Hook and Justin Pierel and Masami Ouchi and Yuichi Harikane},
journal= {arXiv preprint arXiv:2306.17212},
year = {2023}
}
备注
5 pages, 2 figures, submitted as a Roman Core Community Survey White Paper