activity
20152026
most citedEight New Milky Way Companions Discovered in First-Year Dark Energy Survey Data

576 citations · 3.1k across the 24 of their papers we have counts for

collaborators

25 papers

astro-ph.EP2026★ 1 cited

The Luminosity Function of Ultra-Faint Trans-Neptunian Objects Detected by JWST

Marielle R. Eduardo, Anastasia N. Morgan, Wesley C. Fraser +8

We present a definitive discovery of 27 trans-Neptunian objects (TNOs) using the Near-Infrared Camera (NIRCam) aboard the James Webb Space Telescope (JWST). By employing a shift-an…

astro-ph.EP2026★ 1 cited

Combined JWST and HST Deep Imaging to Characterize the Smallest Known Trans-Neptunian Objects

Anastasia N. Morgan, Marielle R. Eduardo, David E. Trilling +9

We present optical-near-infrared (NIR) color measurements for small ( km) Trans-Neptunian Objects (TNOs) using coordinated and nearly simultaneous observations from the Ja…

astro-ph.IM2025

Removing atmospheric turbulence from ground-based astrometry with fast correlation function measurements

Daniel C. H. Gomes, Gary M. Bernstein, Claire-Alice Hébert

We present a code that removes of the variance in astrometric measurements caused by atmospheric turbulence, by using Gaussian process regression (GPR) to interpolate t…

astro-ph.IM2025

Dimensional reduction for sampled priors and application to photometric redshift distributions

Gary Bernstein, William Assignies Doumerg, Michael A. Troxel +35

A typical Bayesian inference on the values of some parameters of interest from some data involves running a Markov Chain (MC) to sample from the posterior $p({\bf q},{\…

astro-ph.EP2025

Determinations of asteroid masses using mutual encounters observed in the Legacy Survey of Space and Time

Gary M. Bernstein, Negin Najafi, Daniel C. H. Gomes

Using published simulations of the 10-year Legacy Survey of Space and Time (LSST), we forecast its ability to determine the masses of individual main-belt asteroids (MBAs) through…

astro-ph.EP2025

An Extremely Deep Rubin Survey to Explore the Extended Kuiper Belt and Identify Objects Observable by New Horizons

JJ Kavelaars, Marc W. Buie, Wesley C. Fraser +22

A proposed Vera C. Rubin Observatory Deep Drilling micro-survey of the Kuiper Belt will investigate key properties of the distant solar system. Utilizing 30 hours of Rubin time acr…

astro-ph.EP2025

Brownian motion of main-belt asteroids on human timescales

Gary M. Bernstein

The explosion of high-precision astrometric data on main-belt asteroids (MBAs) enables new inferences on gravitational and non-gravitational forces present in this region. We estim…

astro-ph.EP2024★ 3 cited

An automated occultation network for gravitational mapping of the trans-neptunian solar system

Daniel C. H. Gomes, Gary M. Bernstein

We explore the potential of an array of O(100) small fixed telescopes, aligned along a meridian and automated to measure millions of occultations of Gaia stars by minor planets, to…

astro-ph.CO2024★ 7 cited

SPT Clusters with DES and HST Weak Lensing. II. Cosmological Constraints from the Abundance of Massive Halos

S. Bocquet, S. Grandis, L. E. Bleem +193

We present cosmological constraints from the abundance of galaxy clusters selected via the thermal Sunyaev-Zel'dovich (SZ) effect in South Pole Telescope (SPT) data with a simultan…

astro-ph.CO2019★ 22 cited

Probability of magnification in the clusters

J. Vega-Ferrero, J. M. Diego, G. M. Bernstein

We present free-form gravitational lensing models derived with the WSLAP+ code for the six clusters using the latest data available from the $\tex…

astro-ph.CO2018★ 51 cited

The Hubble constant from SN Refsdal

J. Vega-Ferrero, J. M. Diego, V. Miranda +1

Hubble Space Telescope observations from December 11 2015 detected the expected fifth counter image of SN Refsdal at . In this letter, we compare the time delay predictio…

astro-ph.IM2018★ 231 cited

The Dark Energy Survey Image Processing Pipeline

E. Morganson, R. A. Gruendl, F. Menanteau +40

The Dark Energy Survey (DES) is a five-year optical imaging campaign with the goal of understanding the origin of cosmic acceleration. DES performs a 5000 square degree survey of t…

astro-ph.CO2017★ 46 cited

Dark Energy Survey Year 1 Results: Calibration of redMaGiC Redshift Distributions in DES and SDSS from Cross-Correlations

R. Cawthon, C. Davis, M. Gatti +88

We present calibrations of the redshift distributions of redMaGiC galaxies in the Dark Energy Survey Year 1 (DES Y1) and Sloan Digital Sky Survey (SDSS) DR8 data. These results det…

astro-ph.CO2017★ 269 cited

Dark Energy Survey Year 1 Results: A Precise H0 Measurement from DES Y1, BAO, and D/H Data

DES Collaboration, T. M. C. Abbott, F. B. Abdalla +88

We combine Dark Energy Survey Year 1 clustering and weak lensing data with Baryon Acoustic Oscillations (BAO) and Big Bang Nucleosynthesis (BBN) experiments to constrain the Hubble…

astro-ph.IM2017★ 22 cited

Photometric characterization of the Dark Energy Camera

G. M. Bernstein, T. M. C. Abbott, R. Armstrong +9

We characterize the variation in photometric response of the Dark Energy Camera (DECam) across its 520~Mpix science array during 4 years of operation. These variations are measured…

astro-ph.CO2017★ 204 cited

Dark Energy Survey Year 1 Results: Weak Lensing Shape Catalogues

J. Zuntz, E. Sheldon, S. Samuroff +104

We present two galaxy shape catalogues from the Dark Energy Survey Year 1 data set, covering 1500 square degrees with a median redshift of . The catalogues cover two main fie…

astro-ph.IM2017★ 45 cited

Instrumental response model and detrending for the Dark Energy Camera

G. M. Bernstein, T. M. C. Abbott, S. Desai +11

We describe the model for the mapping from sky brightness to the digital output of the Dark Energy Camera, and the algorithms adopted by the Dark Energy Survey (DES) for inverting…

astro-ph.IM2017★ 66 cited

Astrometric calibration and performance of the Dark Energy Camera

G. M. Bernstein, R. Armstrong, A. A. Plazas +53

We characterize the ability of the Dark Energy Camera (DECam) to perform relative astrometry across its 500~Mpix, 3 deg^2 science field of view, and across 4 years of operation. Th…

astro-ph.EP2017★ 36 cited

Discovery and Physical Characterization of a Large Scattered Disk Object at 92 AU

David Gerdes, Masao Sako, Stephanie Hamilton +65

We report the observation and physical characterization of the possible dwarf planet \UZ\ ("DeeDee"), a dynamically detached trans-Neptunian object discovered at 92 AU. This object…

astro-ph.HE2016★ 500 cited

Searching for Dark Matter Annihilation in Recently Discovered Milky Way Satellites with Fermi-LAT

The Fermi-LAT, DES Collaborations, A. Albert +70

We search for excess gamma-ray emission coincident with the positions of confirmed and candidate Milky Way satellite galaxies using 6 years of data from the Fermi Large Area Telesc…

astro-ph.GA2015★ 534 cited

Eight Ultra-faint Galaxy Candidates Discovered in Year Two of the Dark Energy Survey

The DES Collaboration, A. Drlica-Wagner, K. Bechtol +74

We report the discovery of eight new ultra-faint dwarf galaxy candidates in the second year of optical imaging data from the Dark Energy Survey (DES). Six of these candidates are d…

astro-ph.IM2015★ 169 cited

The Difference Imaging Pipeline for the Transient Search in the Dark Energy Survey

R. Kessler, J. Marriner, M. Childress +60

We describe the difference imaging pipeline (DiffImg) used to detect transients in deep images from the Dark Energy Survey Supernova program (DES-SN) in its first observing season…

astro-ph.GA2015★ 162 cited

Stellar Kinematics and Metallicities in the Ultra-Faint Dwarf Galaxy Reticulum II

J. D. Simon, A. Drlica-Wagner, T. S. Li +69

We present Magellan/M2FS, VLT/GIRAFFE, and Gemini South/GMOS spectroscopy of the newly discovered Milky Way satellite Reticulum II. Based on the spectra of 25 Ret II member stars s…

astro-ph.HE2015★ 198 cited

Search for Gamma-Ray Emission from DES Dwarf Spheroidal Galaxy Candidates with Fermi-LAT Data

LAT Collaboration, The DES Collaboration, A. Drlica-Wagner +123

Due to their proximity, high dark-matter content, and apparent absence of non-thermal processes, Milky Way dwarf spheroidal satellite galaxies (dSphs) are excellent targets for the…