Search Results - "Huff, Eric"
-
1
Practical Weak-lensing Shear Measurement with Metacalibration
Published in The Astrophysical journal (20-05-2017)“…Metacalibration is a recently introduced method to accurately measure weak gravitational lensing shear using only the available imaging data, without need for…”
Get full text
Journal Article -
2
A Semianalytic Model of the Pairwise Velocity Distribution between Dark Matter Halos
Published in The Astrophysical journal (01-01-2021)“…Abstract We study the probability distribution function (PDF) of relative velocity between two different dark matter halos (i.e., pairwise velocity) with…”
Get full text
Journal Article -
3
GREAT3 results – I. Systematic errors in shear estimation and the impact of real galaxy morphology
Published in Monthly notices of the Royal Astronomical Society (01-07-2015)“…We present first results from the third GRavitational lEnsing Accuracy Testing (GREAT3) challenge, the third in a sequence of challenges for testing methods of…”
Get full text
Journal Article -
4
Cosmological constraints from the convergence 1-point probability distribution
Published in Monthly notices of the Royal Astronomical Society (01-11-2017)“…Abstract We examine the cosmological information available from the 1-point probability density function (PDF) of the weak-lensing convergence field, utilizing…”
Get full text
Journal Article -
5
Seeing in the dark - II. Cosmic shear in the Sloan Digital Sky Survey
Published in Monthly notices of the Royal Astronomical Society (11-05-2014)“…Statistical weak lensing by large-scale structure - cosmic shear - is a promising cosmological tool, which has motivated the design of several large upcoming…”
Get full text
Journal Article -
6
Intrinsic alignments of group and cluster galaxies in photometric surveys
Published in Monthly notices of the Royal Astronomical Society (21-11-2014)“…Intrinsic alignments of galaxies have been shown to contaminate weak gravitational lensing observables on linear scales, r > 10 h −1 Mpc, but studies of…”
Get full text
Journal Article -
7
A framework for measuring weak-lensing magnification using the Fundamental Plane
Published in Monthly notices of the Royal Astronomical Society (11-08-2020)“…ABSTRACT Galaxy–galaxy lensing is an essential tool for probing dark matter haloes and constraining cosmological parameters. While galaxy–galaxy lensing…”
Get full text
Journal Article -
8
Simulations of the OzDES AGN reverberation mapping project
Published in Monthly notices of the Royal Astronomical Society (21-10-2015)“…As part of the Australian spectroscopic dark energy survey (OzDES) we are carrying out a large-scale reverberation mapping study of ≥500 quasars over five…”
Get full text
Journal Article -
9
Detecting baryon acoustic oscillations in dark matter from kinematic weak lensing surveys
Published in Monthly notices of the Royal Astronomical Society (21-07-2019)“…Abstract We investigate the feasibility of extracting baryon acoustic oscillations (BAO) from cosmic shear tomography. We particularly focus on the BAO scale…”
Get full text
Journal Article -
10
Weak Lensing in the Blue: A Counter-intuitive Strategy for Stratospheric Observations
Published in The Astronomical journal (01-12-2022)“…Abstract The statistical power of weak lensing measurements is principally driven by the number of high-redshift galaxies whose shapes are resolved…”
Get full text
Journal Article -
11
Seeing in the dark - I. Multi-epoch alchemy
Published in Monthly notices of the Royal Astronomical Society (11-05-2014)“…Weak lensing by large-scale structure is an invaluable cosmological tool given that most of the energy density of the concordance cosmology is invisible…”
Get full text
Journal Article -
12
Shell tectonics: A mechanical model for strike-slip displacement on Europa
Published in Icarus (New York, N.Y. 1962) (01-03-2012)“…► We have developed a new mechanical model for strike-slip displacement along Europan faults. ► Shell tectonics is a linear elastic model that includes Coulomb…”
Get full text
Journal Article -
13
Categorizing models using Self-Organizing Maps: an application to modified gravity theories probed by cosmic shear
Published in The open journal of astrophysics (09-06-2023)“…We propose to use Self-Organizing Maps (SOM) to map the impact of physical models onto observables. Using this approach, we are able to determine how theories…”
Get full text
Journal Article -
14
Constraints on Europa’s rotational dynamics from modeling of tidally-driven fractures
Published in Icarus (New York, N.Y. 1962) (01-12-2010)“…Cycloids, arcuate features observed on Europa’s surface, have been interpreted as tensile cracks that form in response to diurnal tidal stress caused by…”
Get full text
Journal Article -
15
Data Downloaded via Parachute from a NASA Super-Pressure Balloon
Published in Aerospace (01-11-2023)“…In April 2023, the superBIT telescope was lifted to the Earth’s stratosphere by a helium-filled super-pressure balloon to acquire astronomical imaging from…”
Get full text
Journal Article -
16
Domain-Agnostic Outlier Ranking Algorithms—A Configurable Pipeline for Facilitating Outlier Detection in Scientific Datasets
Published in Frontiers in astronomy and space sciences (10-05-2022)“…Automatic detection of outliers is universally needed when working with scientific datasets, e.g., for cleaning datasets or flagging novel samples to guide…”
Get full text
Journal Article -
17
Lensing in the Blue. II. Estimating the Sensitivity of Stratospheric Balloons to Weak Gravitational Lensing
Published in The Astronomical journal (01-09-2023)“…Abstract The Superpressure Balloon-borne Imaging Telescope ( SuperBIT ) is a diffraction-limited, wide-field, 0.5 m, near-infrared to near-ultraviolet…”
Get full text
Journal Article -
18
The Spectral Energy Distributions of Red Two Micron All Sky Survey Active Galactic Nuclei
Published in The Astrophysical journal (20-02-2009)“…We present infrared (IR) to X-ray spectral energy distributions (SEDs) for 44 red active galactic nuclei (AGNs) selected from the Two Micron All Sky Survey…”
Get full text
Journal Article -
19
Modelling the redshift-space cluster–galaxy correlation function on Mpc scales with emulation of the pairwise velocity distribution
Published in Monthly notices of the Royal Astronomical Society (01-10-2024)“…ABSTRACT We present a method for modelling the cluster–galaxy correlation function in redshift space, down to $\sim$ Mpc scales. The method builds upon the…”
Get full text
Journal Article -
20
Why weak lensing cluster shapes are insensitive to self-interacting dark matter
Published in Monthly notices of the Royal Astronomical Society (01-05-2023)“…ABSTRACT We investigate whether the shapes of galaxy clusters inferred from weak gravitational lensing can be used as a test of the nature of dark matter. We…”
Get full text
Journal Article