What could KIDSpec, a new MKID spectrograph, do on the ELT?

What could KIDSpec, a new MKID spectrograph, do on the ELT?
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KIDSpec(一种新的 MKID 摄谱仪)在 ELT 上可以做什么?

DOI:
10.1117/12.2628889
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发表时间:
2022
期刊:
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影响因子:
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通讯作者:
Hofmann V
Hofmann V
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文献类型:
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作者:
Hofmann V

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微波动力学电感探测器(MKID)由于其灵敏度高、噪声低、超导探测器的高像素数以及固有的能量和时间分辨能力而开始在天文仪器中变得更加突出。动力学电感探测器光谱仪(KIDSpec)将利用这些功能,KIDSpec是一种用于光学/近红外的中等分辨率MKID光谱仪。KIDSpec将有助于许多科学领域,特别是那些涉及短期和/或微弱的观测。当发现短周期二元系统时,由于所需曝光时间非常短,典型的CCD检测器将很难表征这些系统,从而导致与估计参数本身一样大的误差。KIDSpec模拟器(KSIM)的开发是为了研究KIDSpec可以在这方面改进多少。在ELT级望远镜上模拟KIDSpec以发现其潜力的程度,并且发现KIDSpec可以在1420光谱分辨率下观察10秒曝光的SNR为5的mV Δ 24。这意味着ELT级望远镜上的KIDSpec可以在光谱上跟踪丽莎验证源的任何LSST测光发现。
Microwave Kinetic Inductance Detectors (MKIDs) are beginning to become more prominent in astronomical instrumentation, due to their sensitivity, low noise, high pixel count for superconducting detectors, and inherent energy and time resolving capability. The Kinetic Inductance Detector Spectrometer (KIDSpec) will take advantage of these features, KIDSpec is a medium resolution MKID spectrograph for the optical/near infrared. KIDSpec will contribute to many science areas particularly those involving short and/or faint observations. When short period binary systems are found, typical CCD detectors will struggle to characterise these systems due to the very short exposures required, causing errors as large as the estimated parameter itself. The KIDSpec Simulator (KSIM) has been developed to investigate how much KIDSpec could improve on this. KIDSpec was simulated on an ELT class telescope to find the extent of its potential, and it was found that KIDSpec could observe a mV ≈ 24 with an SNR of 5 for a 10s exposure at 1420 spectral resolution. This would mean that KIDSpec on an ELT class telescope could spectroscopically follow up on any LSST photometric discoveries of LISA verification sources.
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