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Related papers: Intensity mapping: a new window into the cosmos

200 papers

Line Intensity Mapping (LIM) is a new observational technique that uses low-resolution observations of line emission to efficiently trace the large-scale structure of the Universe out to high redshift. Common mm/sub-mm emission lines are…

Line-intensity mapping (LIM) is emerging as a powerful probe of the high-redshift Universe, with a growing number of LIM experiments targeting various spectral lines deep into the epochs of reionization and cosmic dawn. A key remaining…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-29 Sarah Libanore , Julian B. Munoz , Ely D. Kovetz

MHD Turbulence is a critical component of the current paradigms of star formation, particle transport, magnetic reconnection and evolution of the ISM. Progress on this difficult subject is made via numerical simulations and observational…

Astrophysics of Galaxies · Physics 2011-05-06 Blakesley Burkhart , Alex Lazarian

We explore the potential of using intensity mapping surveys (MeerKAT, SKA) and optical galaxy surveys (DES, LSST) to detect HI clustering and weak gravitational lensing of 21cm emission in auto- and cross-correlation. Our forecasts show…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-18 Alkistis Pourtsidou , David Bacon , Robert Crittenden , R. Benton Metcalf

We quantify the prospects for using emission lines from rotational transitions of the CO molecule to perform an `intensity mapping' observation at high redshift during the Epoch of Reionization (EoR). The aim of CO intensity mapping is to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Adam Lidz , Steven R. Furlanetto , S. Peng Oh , James Aguirre , Tzu-Ching Chang , Olivier Doré , Jonathan R. Pritchard

In the interstellar medium, the cosmic elemental carbon abundance includes the total carbon in both gas and solid phases. The aim of the study was to trial a new method for measuring the amount and distribution of aliphatic carbon within…

Astrophysics of Galaxies · Physics 2020-02-13 B. Günay , M. G. Burton , M. Afşar , T. W. Schmidt

The statistical uncertainty in measuring the primordial density perturbations on a given comoving scale is dictated by the number of independent regions of that scale that are accessible to an observer. This number varies with cosmic time…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Abraham Loeb

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 the gravitational lensing of large-scale structure---is…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-23 Kirit S. Karkare

Breakthroughs in physics and astrophysics are often driven by technological advances, with the recent detection of gravitational waves being one such example. This white paper focuses upon how improved astrometric and spectroscopic…

Several cosmological measurements have attained significant levels of maturity and accuracy over the last decade. Continuing this trend, future observations promise measurements of the statistics of the cosmic mass distribution at an…

Astrophysics · Physics 2008-11-26 Salman Habib , Katrin Heitmann , David Higdon , Charles Nakhleh , Brian Williams

Intensity mapping is now becoming a useful tool to study the large-scale structure of the universe through spatial variations in the integrated emission from galaxies and the intergalactic medium. We study intensity mapping of the H-alpha…

Astrophysics of Galaxies · Physics 2017-02-15 Yan Gong , Asantha Cooray , Marta B. Silva , Michael Zemcov , Chang Feng , Mario G. Santos , Olivier Dore , Xuelei Chen

In this paper, we propose a new method to use the strong lensing data sets to constrain a cosmological model. By taking the ratio…

Cosmology and Nongalactic Astrophysics · Physics 2013-09-05 Nannan Wang , Lixin Xu

Hydrogen deuteride (HD) is prevalent in a wide variety of astrophysical environments, and measuring its large-scale distribution at different epochs can in principle provide information about the properties of these environments. In this…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-16 Patrick C. Breysse , Simon Foreman , Laura C. Keating , Joel Meyers , Norman Murray

The Local Interstellar Medium (LISM) is a unique environment that presents an opportunity to study general interstellar phenomena in great detail and in three dimensions. In particular, high resolution optical and ultraviolet spectroscopy…

Astrophysics · Physics 2007-05-23 Seth Redfield

In the next decades, the gravitational-wave (GW) standard siren observations and the neutral hydrogen 21-cm intensity mapping (IM) surveys, as two promising cosmological probes, will play an important role in precisely measuring…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-15 Shang-Jie Jin , Ling-Feng Wang , Peng-Ju Wu , Jing-Fei Zhang , Xin Zhang

The nature of dark matter is a longstanding mystery in cosmology, which can be studied with laboratory or collider experiments, as well as astrophysical and cosmological observations. In this work, we propose realistic and efficient…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-15 José Luis Bernal , Andrea Caputo , Marc Kamionkowski

Astrochemistry has been widely developed as a power tool to probe physical properties of the interstellar medium (ISM) in various conditions of the Milky Way (MW) Galaxy, and in near and distant galaxies. Most current studies conventionally…

The galaxy-IGM part of the Lyman-break survey currently consists of measured redshifts for more than 1000 galaxies with redshift 1.5<z<3.5 along the sightlines to 25 background QSOs. One of the goals of the survey was to measure the…

Astrophysics · Physics 2009-11-11 Kurt L. Adelberger

The EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) is a balloon-borne cryogenic telescope that will survey the spectrum of diffuse emission from both the Milky Way and the cosmic web to probe star formation, the…

We explore the potential of optical intensity interferometry to extract angularly resolved information from supernova explosions, introducing the "expanding ejecta method" (EEM) as a robust alternative to the classical expanding photosphere…

High Energy Astrophysical Phenomena · Physics 2025-04-30 I-Kai Chen , David Dunsky , Ken Van Tilburg , Junwu Huang , Robert V. Wagoner