Near infra-red absorption spectroscopy for astrophysically significant ions [0.03%]
具有天体物理意义的离子的近红外吸收光谱学研究
Kirsten Dowd,Eric Doyle,Padraig Dunne
Kirsten Dowd
We present a novel laboratory astrophysics experiment to obtain photoabsorption spectra of neutral and near neutral atomic species in the near infrared (NIR) spectral region. A laser produced plasma containing the ions of interest is probed...
Reflection grating fabrication for the Rockets for Extended-source X-ray Spectroscopy [0.03%]
火箭宽谱X射线光谱仪反射光栅的制作技术研究
Drew M Miles,Ross McCurdy,Michael Labella et al.
Drew M Miles et al.
The Rockets for Extended-source X-ray Spectroscopy (tREXS) grating spectrograph uses modules of reflection gratings to collect spectroscopic data from extended astronomical sources of soft X-rays. Two blazed master gratings were produced on...
Forward modelling low-spectral-resolution Cassini/CIRS observations of Titan [0.03%]
土卫六星载红外光谱仪低光谱分辨率观测的正演模型
Lucy Wright,Nicholas A Teanby,Patrick G J Irwin et al.
Lucy Wright et al.
The Composite InfraRed Spectrometer (CIRS) instrument onboard the Cassini spacecraft performed 8.4 million spectral observations of Titan at resolutions between 0.5-15.5 cm-1. More than 3 million of these were acquired at a low spectral res...
Characterizing hole trap production due to proton irradiation in germanium cross-strip detectors [0.03%]
表征质子辐照对锗有洞陷阱产生的影响
Sean N Pike,Steven E Boggs,Gabriel Brewster et al.
Sean N Pike et al.
We present an investigation into the effects of high-energy proton damage on charge trapping in germanium cross-strip detectors with the goal of accomplishing three important measurements. First, we calibrated and characterized the spectral...
Ian L V Roque,Nima Razavi-Ghods,Steven H Carey et al.
Ian L V Roque et al.
We detail the REACH radiometric system designed to enable measurements of the 21-cm neutral hydrogen line. Included is the radiometer architecture and end-to-end system simulations as well as a discussion of the challenges intrinsic to high...
A machine learning method for predicting telescope cycle time applied to the Cerro Murphy Observatory [0.03%]
一种应用于Cerro Murphy天文台的望远镜运转周期预测机器学习方法
Mirosław Kicia,Mikołaj Kałuszyński,Marek Górski et al.
Mirosław Kicia et al.
Telescope cycle time estimation is one of the basic issues of observational astronomy. There are not many tools that help to calulate the cycle time for multiple telescopes with multiple instruments. This work presents a new tool for determ...
Cosmology and fundamental physics with the ELT-ANDES spectrograph [0.03%]
巨型椭圆星系的形成和演化中的恒星人口考古学——詹姆斯·韦伯太空望远镜的机遇与挑战
C J A P Martins,R Cooke,J Liske et al.
C J A P Martins et al.
State-of-the-art 19th century spectroscopy led to the discovery of quantum mechanics, and 20th century spectroscopy led to the confirmation of quantum electrodynamics. State-of-the-art 21st century astrophysical spectrographs, especially AN...
Analytical fitting of [Formula: see text]-ray photopeaks in germanium cross strip detectors [0.03%]
锗交叉条探测器中[公式，请参见原文]-射线光子峰的解析拟合
Steven E Boggs,Sean N Pike
Steven E Boggs
In an ideal germanium detector, fully-absorbed monoenergetic γ-rays will appear in the measured spectrum as a narrow peak, broadened into a Gaussian of width determined only by the statistical properties of charge cloud generation and ...
Slawomir Mianowski,Nicolas De Angelis,Kamil Brylew et al.
Slawomir Mianowski et al.
POLAR-2, a plastic scintillator based Compton polarimeter, is currently under development and planned for a launch to the China Space Station in 2025. It is intended to shed a new light on our understanding of Gamma-Ray Bursts by performing...
Slawomir Mianowski,Nicolas De Angelis,Johannes Hulsman et al.
Slawomir Mianowski et al.
POLAR-2 is a space-borne polarimeter, built to investigate the polarization of Gamma-Ray Bursts and help elucidate their mechanisms. The instrument is targeted for launch in 2024 or 2025 aboard the China Space Station and is being developed...