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The Simons Observatory: A fully remote controlled calibration system with a sparse wire grid for cosmic microwave background telescopes
Masaaki Murata, Hironobu Nakata, Kengo Iijima +16
For cosmic microwave background (CMB) polarization observations, calibration of detector polarization angles is essential. We have developed a fully remote controlled calibration s…
The Simons Observatory: Beam characterization for the Small Aperture Telescopes
Nadia Dachlythra, Adriaan J. Duivenvoorden, Jon E. Gudmundsson +27
We use time-domain simulations of Jupiter observations to test and develop a beam reconstruction pipeline for the Simons Observatory Small Aperture Telescopes. The method relies on…
Ground test results of the electromagnetic interference for the x-ray microcalorimeter onboard XRISM
Miki Kurihara, Masahiro Tsujimoto, Megan E. Eckart +7
Electromagnetic interference (EMI) for low-temperature detectors is a serious concern in many missions. We investigate the EMI caused by the spacecraft components to the x-ray micr…