COPSS II: The molecular gas content of ten million cubic megaparsecs at redshift z∼ 3

GK Keating, DP Marrone, GC Bower… - The Astrophysical …, 2016 - iopscience.iop.org
We present a measurement of the abundance of carbon monoxide in the early universe,
utilizing the final results from the CO Power Spectrum Survey (COPSS). Between 2013 and …

A self-consistent framework for multiline modeling in line intensity mapping experiments

G Sun, BS Hensley, TC Chang, O Doré… - The Astrophysical …, 2019 - iopscience.iop.org
Line intensity mapping (LIM) is a promising approach to study star formation and the
interstellar medium (ISM) in galaxies by measuring the aggregate line emission from the …

Constraining the CO intensity mapping power spectrum at intermediate redshifts

H Padmanabhan - Monthly Notices of the Royal Astronomical …, 2018 - academic.oup.com
We compile available constraints on the carbon monoxide (CO) 1-0 luminosity functions and
abundances at redshifts 0–3. This is used to develop a data driven halo model for the …

Progress and challenges in electromechanical coupling of radio telescopes

Y Yan, S Xue, X Hu, P Lian, Q Xu… - … Journal of Antennas …, 2022 - Wiley Online Library
Radio astronomy is a discipline of dynamics and wonders. The vast universe has many
secrets to unravel. As one of the important facilities in this discipline, radio telescopes play a …

The Greenland Telescope—Construction, Commissioning, and Operations in Pituffik

MT Chen, K Asada, S Matsushita, P Raffin… - Publications of the …, 2023 - iopscience.iop.org
Abstract In 2018, the Greenland Telescope (GLT) started scientific observation in Greenland.
Since then, we have completed several significant improvements and added new …

Delensing degree-scale -mode polarization with high-redshift line intensity mapping

KS Karkare - Physical Review D, 2019 - APS
Cosmic microwave background (CMB) experiments that constrain the tensor-to-scalar ratio r
are now approaching the sensitivity at which delensing—removing the B modes induced by …

MASS AND HOT BARYONS IN MASSIVE GALAXY CLUSTERS FROM SUBARU WEAK-LENSING AND AMiBA SUNYAEV–ZEL'DOVICH EFFECT OBSERVATIONS

K Umetsu, M Birkinshaw, GC Liu, JHP Wu… - The Astrophysical …, 2009 - iopscience.iop.org
We present a multiwavelength analysis of a sample of four hot (TX> 8 keV) X-ray galaxy
clusters (A1689, A2261, A2142, and A2390) using joint AMiBA Sunyaev–Zel'dovich effect …

First results from COPSS: the CO power spectrum survey

GK Keating, GC Bower, DP Marrone… - The Astrophysical …, 2015 - iopscience.iop.org
We present constraints on the abundance of carbon monoxide in the early universe from the
CO Power Spectrum Survey. We utilize a data set collected between 2005 and 2008 using …

Constraining the expansion history and early dark energy with line intensity mapping

KS Karkare, S Bird - Physical Review D, 2018 - APS
We consider the potential for line intensity mapping (IM) experiments to measure the baryon
acoustic oscillations (BAO) from 3< z< 6. This would constrain the expansion history in a …

Inside a Beehive: The Multiple Merging Processes in the Galaxy Cluster Abell 2142

A Liu, H Yu, A Diaferio, P Tozzi, HS Hwang… - The Astrophysical …, 2018 - iopscience.iop.org
To investigate the dynamics of the galaxy cluster A2142, we compile an extended catalog of
2239 spectroscopic redshifts of sources, including 237 newly measured redshifts, within 30 …