Anthony R. Pullen
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View article: A New Framework for Interstellar Medium Emission Line Models: Connecting Multiscale Simulations across Cosmological Volumes
A New Framework for Interstellar Medium Emission Line Models: Connecting Multiscale Simulations across Cosmological Volumes Open
The James Webb Space Telescope (JWST) and Atacama Large Millimeter/submillimeter Array have detected emission lines from the ionized interstellar medium (ISM) in some of the first galaxies at z ≳ 6. These measurements present an opportunit…
View article: The Primordial Inflation Explorer (PIXIE): mission design and science goals
The Primordial Inflation Explorer (PIXIE): mission design and science goals Open
The Primordial Inflation Explorer (PIXIE) is an Explorer-class mission concept to measure the energy spectrum and linear polarization of the cosmic microwave background (CMB). A single cryogenic Fourier transform spectrometer compares the …
View article: A New Framework for ISM Emission Line Models: Connecting Multi-Scale Simulations Across Cosmological Volumes
A New Framework for ISM Emission Line Models: Connecting Multi-Scale Simulations Across Cosmological Volumes Open
The JWST and ALMA have detected emission lines from the ionized interstellar medium (ISM) in some of the first galaxies at $z \gtrsim 6$. These measurements present an opportunity to better understand galaxy assembly histories and may allo…
View article: Superfluid-tight cryogenic receiver with continuous sub-Kelvin cooling for EXCLAIM
Superfluid-tight cryogenic receiver with continuous sub-Kelvin cooling for EXCLAIM Open
The EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) is a\nballoon-borne telescope designed to survey star formation over cosmological\ntime scales using intensity mapping in the 420 - 540 GHz frequency range.\nEXCLAIM u…
View article: A Measurement of CO(3-2) Line Emission from eBOSS Galaxies at $z\sim 0.5$ using Planck Data
A Measurement of CO(3-2) Line Emission from eBOSS Galaxies at $z\sim 0.5$ using Planck Data Open
Line intensity mapping (LIM) is a novel observational technique in astrophysics that utilizes the integrated emission from multiple atomic and molecular transition lines from galaxies to probe the complex physics of galaxy formation and ev…
View article: The Primordial Inflation Explorer (PIXIE): Mission Design and Science Goals
The Primordial Inflation Explorer (PIXIE): Mission Design and Science Goals Open
The Primordial Inflation Explorer (PIXIE) is an Explorer-class mission concept to measure the energy spectrum and linear polarization of the cosmic microwave background (CMB). A single cryogenic Fourier transform spectrometer compares the …
View article: A New Probe of the High-z BAO scale: BAO tomography With CMB $\times$ LIM-Nulling Convergence
A New Probe of the High-z BAO scale: BAO tomography With CMB $\times$ LIM-Nulling Convergence Open
Standard rulers such as the baryon acoustic oscillation (BAO) scale serve as workhorses for precision tests of cosmology, enabling distance measurements that probe the geometry and expansion history of our Universe. Aside from BAO measurem…
View article: Constraining Cosmology With the CMB $\times$ LIM-Nulling Convergence
Constraining Cosmology With the CMB $\times$ LIM-Nulling Convergence Open
Lensing reconstruction maps from the cosmic microwave background (CMB) provide direct observations of the matter distribution of the universe without the use of a biased tracer. Such maps, however, constitute projected observables along th…
View article: Systematic error mitigation for the PIXIE Fourier transform spectrometer
Systematic error mitigation for the PIXIE Fourier transform spectrometer Open
The Primordial Inflation Explorer (PIXIE) is an Explorer-class mission concept to measure the spectrum and polarization of the cosmic microwave background. Cosmological signals are small compared to the instantaneous instrument noise, requ…
View article: Extragalactic CO emission lines in the CMB experiments: A forgotten signal and a foreground
Extragalactic CO emission lines in the CMB experiments: A forgotten signal and a foreground Open
High resolution cosmic microwave background (CMB) experiments have allowed us to precisely measure the CMB temperature power spectrum down to very small scales (multipole ℓ ~ 3000). Such measurements at multiple frequencies enable separati…
View article: Characterizing the Conditional Galaxy Property Distribution Using Gaussian Mixture Models
Characterizing the Conditional Galaxy Property Distribution Using Gaussian Mixture Models Open
Line-intensity mapping (LIM) is a promising technique to constrain the global distribution of galaxy properties. To combine LIM experiments probing different tracers with traditional galaxy surveys and fully exploit the scientific potentia…
View article: Characterizing the Conditional Galaxy Property Distribution using Gaussian Mixture Models
Characterizing the Conditional Galaxy Property Distribution using Gaussian Mixture Models Open
Line-intensity mapping (LIM) is a promising technique to constrain the global distribution of galaxy properties. To combine LIM experiments probing different tracers with traditional galaxy surveys and fully exploit the scientific potentia…
View article: Extragalactic CO emission lines in the CMB experiments: a forgotten signal and a foreground
Extragalactic CO emission lines in the CMB experiments: a forgotten signal and a foreground Open
High resolution cosmic microwave background (CMB) experiments have allowed us to precisely measure the CMB temperature power spectrum down to very small scales (multipole $\ell \sim 3000$). Such measurements at multiple frequencies enable …
View article: Constraining the Star Formation Rate using Joint CIB Continuum and [CII] Intensity Mapping
Constraining the Star Formation Rate using Joint CIB Continuum and [CII] Intensity Mapping Open
Line intensity mapping (LIM) experiments probing the nearby universe can expect a considerable amount of cosmic infrared background (CIB) contiuum emission coming from near and far-infrared galaxies. For the purpose of using the LIM data t…
View article: Linear growth of structure in massive gravity
Linear growth of structure in massive gravity Open
We study background dynamics and the growth of matter perturbations in the extended quasidilaton setup of massive gravity. For the analysis of perturbations, we first choose a scalar field matter component and obtain the conditions under w…
View article: Extragalactic Science with the Experiment for Cryogenic Large-aperture Intensity Mapping
Extragalactic Science with the Experiment for Cryogenic Large-aperture Intensity Mapping Open
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 inters…
View article: New probe of the high-redshift Universe: Nulling CMB lensing with interloper-free line intensity mapping pair lensing
New probe of the high-redshift Universe: Nulling CMB lensing with interloper-free line intensity mapping pair lensing Open
Intermediate redshifts between galaxy surveys and the cosmic microwave background (CMB) remain unexplored territory. Line intensity mapping (LIM) offers a way to probe the $z\gtrsim 1$ Universe, including the epoch of reionization and the …
View article: On Estimating the Cosmic Molecular Gas Density from CO Line Intensity Mapping Observations
On Estimating the Cosmic Molecular Gas Density from CO Line Intensity Mapping Observations Open
The Millimeter-wave Intensity Mapping Experiment (mmIME) recently reported a detection of excess spatial fluctuations at a wavelength of 3 mm, which can be attributed to unresolved emission of several CO rotational transitions between z ∼ …
View article: An Empirical Representation of a Physical Model for the ISM [C ii], CO, and [C i] Emission at Redshift 1 ≤ z ≤ 9
An Empirical Representation of a Physical Model for the ISM [C ii], CO, and [C i] Emission at Redshift 1 ≤ z ≤ 9 Open
Submillimeter emission lines produced by the interstellar medium (ISM) are strong tracers of star formation and are some of the main targets of line intensity mapping (LIM) surveys. In this work we present an empirical multiline emission m…
View article: Removing interlopers from intensity mapping probes of primordial non-Gaussianity
Removing interlopers from intensity mapping probes of primordial non-Gaussianity Open
Line intensity mapping (LIM) has the potential to produce highly precise measurements of scale-dependence bias from primordial non-Gaussianity (PNG) due to its ability to map much larger volumes than are available from galaxy surveys. Howe…
View article: Experiment for cryogenic large-aperture intensity mapping: instrument design
Experiment for cryogenic large-aperture intensity mapping: instrument design Open
The experiment for cryogenic large-aperture intensity mapping (EXCLAIM) is a balloon-borne telescope designed to survey star formation in windows from the present to z = 3.5. During this time, the rate of star formation dropped dramaticall…
View article: Joint analyses of 2D CMB lensing and 3D galaxy clustering in the spherical Fourier-Bessel basis
Joint analyses of 2D CMB lensing and 3D galaxy clustering in the spherical Fourier-Bessel basis Open
Cross-correlating cosmic microwave background (CMB) lensing and galaxy clustering has been shown to greatly improve the constraints on the local primordial non-Gaussianity (PNG) parameter $f_{\rm NL}$ by reducing sample variance and also p…
View article: An empirical representation of a physical model for the ISM [CII], CO, and [CI] emission at redshift $1\leq z\leq9$
An empirical representation of a physical model for the ISM [CII], CO, and [CI] emission at redshift $1\leq z\leq9$ Open
Sub-millimeter emission lines produced by the interstellar medium (ISM) are strong tracers of star formation and are some of the main targets of line intensity mapping (LIM) surveys. In this work we present an empirical multi-line emission…
View article: A new probe of the high-redshift Universe: nulling CMB lensing with interloper-free "LIM-pair" lensing
A new probe of the high-redshift Universe: nulling CMB lensing with interloper-free "LIM-pair" lensing Open
Intermediate redshifts between galaxy surveys and the cosmic microwave background (CMB) remain unexplored territory. Line intensity mapping (LIM) offers a way to probe the $z\gtrsim 1$ Universe, including the epoch of reionization and the …
View article: Overview and status of EXCLAIM, the experiment for cryogenic large-aperture intensity mapping
Overview and status of EXCLAIM, the experiment for cryogenic large-aperture intensity mapping Open
The EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) is a balloon-borne far-infrared telescope that will survey star formation history over cosmological time scales to improve our understanding of why the star formation …
View article: Optical Design of the EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM)
Optical Design of the EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) Open
This work describes the design and implementation of optics for EXCLAIM, the EXperiment for Cryogenic Large-Aperture Intensity Mapping. EXCLAIM is a balloon-borne telescope that will measure integrated line emission from carbon monoxide (C…
View article: Learning the Evolution of the Universe in N-body Simulations
Learning the Evolution of the Universe in N-body Simulations Open
Understanding the physics of large cosmological surveys down to small (nonlinear) scales will significantly improve our knowledge of the Universe. Large N-body simulations have been built to obtain predictions in the non-linear regime. How…
View article: Testing general relativity on cosmological scales at redshift <i>z</i> ∼ 1.5 with quasar and CMB lensing
Testing general relativity on cosmological scales at redshift <i>z</i> ∼ 1.5 with quasar and CMB lensing Open
We test general relativity (GR) at the effective redshift $\bar{z} \sim 1.5$ by estimating the statistic EG, a probe of gravity, on cosmological scales $19 - 190\, h^{-1}{\rm Mpc}$. This is the highest redshift and largest scale estimation…
View article: The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Large-scale structure catalogues for cosmological analysis
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Large-scale structure catalogues for cosmological analysis Open
We present large-scale structure catalogues from the completed extended Baryon Oscillation Spectroscopic Survey (eBOSS). Derived from Sloan Digital Sky Survey (SDSS) IV Data Release 16 (DR16), these catalogues provide the data samples, cor…
View article: A new calibration method of sub-halo orbital evolution for semi-analytic models
A new calibration method of sub-halo orbital evolution for semi-analytic models Open
Understanding the non-linear dynamics of satellite haloes (a.k.a. ‘sub-haloes’) is important for predicting the abundance and distribution of dark matter sub-structures and satellite galaxies, and for distinguishing among microphysical dar…