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The Atacama Cosmology Telescope: Passband Measurements with an Analysis of Systematic Errors
Thomas Alford, Rahul Datta, Erminia Calabrese +14
We present measurements of the spectral response of the four Advanced ACTPol (AdvACT) multichroic detector arrays, which observed in frequency bands centered near 30, 40, 90, 150,…
CCAT: Prime-Cam Optics Overview and Status Update
Zachary B. Huber, Lawrence T. Lin, Eve M. Vavagiakis +17
Prime-Cam is a first-generation science instrument for the CCAT Observatory's six-meter aperture Fred Young Submillimeter Telescope (FYST). FYST's crossed-Dragone design provides h…
CCAT: Detector Noise Limited Performance of the RFSoC-based Readout Electronics for mm/sub-mm/far-IR KIDs
Adrian K. Sinclair, James Burgoyne, Anthony I. Huber +16
The Fred Young Submillimeter Telescope (FYST), on Cerro Chajnantor in the Atacama desert of Chile, will conduct wide-field and small deep-field surveys of the sky with more than 10…
CCAT: Comparisons of 280 GHz TiN and Al Kinetic Inductance Detector Arrays
Cody J. Duell, Jason Austermann, James Beall +27
The CCAT Collaboration's six-meter Fred Young Submillimeter Telescope is scheduled to begin observing in the Chilean Atacama in 2025, targeting a variety of science goals throughou…
CCAT: FYST Prime-Cam Readout Software: A framework for massively scalable KID arrays
James R. Burgoyne, Adrian K. Sinclair, Scott C. Chapman +12
We outline the development of the readout software for the Prime-Cam and Mod-Cam instruments on the CCAT Fred Young Submillimeter Telescope (FYST), primecam_readout. The instrument…
Optical modeling of systematic uncertainties in detector polarization angles for the Atacama Cosmology Telescope
Colin C. Murphy, Steve K. Choi, Rahul Datta +10
We present an estimate of the Atacama Cosmology Telescope (ACT) detector polarization angle systematic uncertainty from optics perturbation analysis using polarization-sensitive ra…
Wide Field High Cadence CMB Survey Designs for Chilean Telescopes
Haruki Ebina, Reijo Keskitalo, Julian Borrill +5
We present new wide field survey strategies for Chilean Large Aperture Telescopes (LAT) measuring the Cosmic Microwave Background (CMB), which we call Sinusoidal Modulated High Cad…
Simons Observatory Focal-Plane Module: Detector Re-biasing With Bias-step Measurements
Yuhan Wang, Tanay Bhandarkar, Steve K. Choi +14
The Simons Observatory is a ground-based cosmic microwave background survey experiment that consists of three 0.5 m small-aperture telescopes and one 6 m large-aperture telescope,…
CCAT-prime: The 850 GHz camera for Prime-Cam on FYST
Scott C. Chapman, Anthony I. Huber, Adrian K. Sinclair +23
The Fred Young Submillimeter Telescope (FYST) at the Cerro-Chajnantor Atacama Telescope prime (CCAT- prime) Facility will host Prime-Cam as a powerful, first generation camera with…
CCAT-prime: Optical and cryogenic design of the 850 GHz module for Prime-Cam
Anthony I. Huber, Scott C. Chapman, Adrian K. Sinclair +14
Prime-Cam is a first-generation instrument for the Cerro Chajnantor Atacama Telescope-prime (CCAT-prime) Facility. The 850GHz module for Prime-Cam will probe the highest frequen…
CCAT-prime: The Optical Design for the Epoch of Reionization Spectrometer
Zachary B. Huber, Steve K. Choi, Cody J. Duell +11
The Epoch of Reionization Spectrometer (EoR-Spec) will be an instrument module for the Prime-Cam receiver on the CCAT-prime Collaboration's Fred Young Submillimeter Telescope (FYST…
CCAT-prime: RFSoC Based Readout for Frequency Multiplexed Kinetic Inductance Detectors
Adrian K. Sinclair, Ryan C. Stephenson, Cody A. Roberson +21
The Prime-Cam instrument on the Fred Young Submillimeter Telescope (FYST) is expected to be the largest deployment of millimeter and submillimeter sensitive kinetic inductance dete…
CCAT-prime: Design of the Mod-Cam receiver and 280 GHz MKID instrument module
Eve M. Vavagiakis, Cody J. Duell, Jason Austermann +33
Mod-Cam is a first light and commissioning instrument for the CCAT-prime project's six-meter aperture Fred Young Submillimeter Telescope (FYST), currently under construction at 560…
CCAT-prime: The Design and Characterization of the Silicon Mirrors for the Fabry-Perot Interferometer in the Epoch of Reionization Spectrometer
Bugao Zou, Steve K. Choi, Nicholas F. Cothard +10
The Epoch of Reionization Spectrometer (EoR-Spec) is one of the instrument modules to be installed in the Prime-Cam receiver of the Fred Young Submillimeter Telescope (FYST). This…
Assembly development for the Simons Observatory focal plane readout module
Erin Healy, Aamir M. Ali, Kam Arnold +28
The Simons Observatory (SO) is a suite of instruments sensitive to temperature and polarization of the cosmic microwave background (CMB) to be located at Cerro Toco in the Atacama…
The Simons Observatory 220 and 280 GHz Focal-Plane Module: Design and Initial Characterization
Erin Healy, Daniel Dutcher, Zachary Atkins +16
The Simons Observatory (SO) will detect and map the temperature and polarization of the millimeter-wavelength sky from Cerro Toco, Chile across a range of angular scales, providing…
The 90 and 150 GHz universal focal-plane modules for the Simons Observatory
Heather McCarrick, Kam Arnold, Zachary Atkins +21
The Simons Observatory (SO) is a suite of telescopes located in the Atacama Desert in Chile that will make sensitive measurements of the cosmic microwave background. There are a ho…
The Atacama Cosmology Telescope: Measurement and Analysis of 1D Beams for DR4
Marius Lungu, Emilie R. Storer, Matthew Hasselfield +28
We describe the measurement and treatment of the telescope beams for the Atacama Cosmology Telescope's fourth data release, DR4. Observations of Uranus are used to measure the cent…
The Atacama Cosmology Telescope: Modeling Bulk Atmospheric Motion
Thomas W. Morris, Ricardo Bustos, Erminia Calabrese +17
Fluctuating atmospheric emission is a dominant source of noise for ground-based millimeter-wave observations of the CMB temperature anisotropy at angular scales $\gtrsim 0.5^{\circ…
The Simons Observatory: Magnetic Shielding Measurements for the Universal Multiplexing Module
Zachary B. Huber, Yaqiong Li, Eve M. Vavagiakis +14
The Simons Observatory (SO) includes four telescopes that will measure the temperature and polarization of the cosmic microwave background using over 60,000 highly sensitive transi…
Simons Observatory Focal-Plane Module: In-lab Testing and Characterization Program
Yuhan Wang, Kaiwen Zheng, Zachary Atkins +20
The Simons Observatory (SO) is a ground-based cosmic microwave background instrument to be sited in the Atacama Desert in Chile. SO will deploy 60,000 transition-edge sensor bolome…
The Simons Observatory microwave SQUID multiplexing detector module design
Heather McCarrick, Erin Healy, Zeeshan Ahmed +56
Advances in cosmic microwave background (CMB) science depend on increasing the number of sensitive detectors observing the sky. New instruments deploy large arrays of superconducti…
The Simons Observatory: the Large Aperture Telescope (LAT)
Zhilei Xu, Shunsuke Adachi, Peter Ade +57
The Simons Observatory (SO) is a Cosmic Microwave Background (CMB) experiment to observe the microwave sky in six frequency bands from 30GHz to 290GHz. The Observatory -- at …
The Simons Observatory Large Aperture Telescope Receiver
Ningfeng Zhu, Tanay Bhandarkar, Gabriele Coppi +68
The Simons Observatory (SO) Large Aperture Telescope Receiver (LATR) will be coupled to the Large Aperture Telescope located at an elevation of 5,200 m on Cerro Toco in Chile. The…