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A Large Molecular Gas Reservoir in the Protocluster SPT234956 at
Dazhi Zhou, Scott C. Chapman, Nikolaus Sulzenauer +13
We present Atacama Compact Array (ACA) Band-3 observations of the protocluster SPT234956, an extreme system hosting submillimeter galaxies (SMGs) at $z\,{=}\,4.3…
Pointing Accuracy Improvements for the South Pole Telescope with Machine Learning
P. M. Chichura, A. Rahlin, A. J. Anderson +93
We present improvements to the pointing accuracy of the South Pole Telescope (SPT) using machine learning. The ability of the SPT to point accurately at the sky is limited by its s…
First Very Long Baseline Interferometry Detections at 870μm
Alexander W. Raymond, Sheperd S. Doeleman, Keiichi Asada +276
The first very long baseline interferometry (VLBI) detections at 870m wavelength (345GHz frequency) are reported, achieving the highest diffraction-limited angular resolutio…
The Arizona Molecular ISM Survey with the SMT: Variations in the CO(2-1)/CO(1-0) Line Ratio Across the Galaxy Population
Ryan P. Keenan, Daniel P. Marrone, Garrett K. Keating
The J=10 spectral line of carbon monoxide (CO(1-0)) is the canonical tracer of molecular gas. However, CO(2-1) is frequently used in its place, following the assumptio…
The Arizona Molecular ISM Survey with the SMT: Survey Overview and Public Data Release
Ryan P. Keenan, Daniel P. Marrone, Garrett K. Keating +11
The CO(1-0) line has been carefully calibrated as a tracer of molecular gas mass. However, recent studies often favor higher J transitions of the CO molecule which are brighter and…
Cosmic ray susceptibility of the Terahertz Intensity Mapper detector arrays
Lun-Jun Liu, Reinier M. J. Janssen, Bruce Bumble +26
We report on the effects of cosmic ray interactions with the Kinetic Inductance Detector (KID) based focal plane array for the Terahertz Intensity Mapper (TIM). TIM is a NASA-funde…