48 citations · 209 across the 16 of their papers we have counts for
17 papers
Super-resolving Polarized Dust Emission with Transformer-Based Multi-Tracer Fusion
Minjie Lei, George Halal, S. E. Clark +3
Realistic models of polarized Galactic dust emission at high angular resolution are essential for component separation in next-generation cosmic microwave background (CMB) -mode…
Probing the environment around GW170817 with DESI: insights on galaxy group peculiar velocities for standard siren measurements
A. J. Amsellem, A. Palmese, K. Douglass +56
We present a new measurement of the Hubble constant, , following the gravitational wave event GW170817 and Dark Energy Spectroscopic Instrument (DESI) observations. A standard…
Dwarf galaxy halo masses from spectroscopic and photometric lensing in DESI and DES
Helena Treiber, Alexandra Amon, Risa H. Wechsler +46
We present the most precise and lowest-mass weak lensing measurements of dwarf galaxies to date, enabled by spectroscopic lenses from the Dark Energy Spectroscopic Instrument (DESI…
Neutron-capture Element Abundances of 491 Stars in Milky Way Dwarf Satellite Galaxies from Medium-Resolution Spectra
Lauren E. Henderson, Evan N. Kirby, Mithi A. C. de los Reyes +2
The chemical compositions of evolved stars in Local Group dwarf spheroidal galaxies (dSphs) provide insight into the galaxy's past star formation and nucleosynthesis. Neutron-captu…
Tripling the Census of Dwarf AGN Candidates Using DESI Early Data
Ragadeepika Pucha, S. Juneau, Arjun Dey +46
Using early data from the Dark Energy Spectroscopic Instrument (DESI) survey, we search for AGN signatures in 410,757 line-emitting galaxies. By employing the BPT emission-line rat…
Stellar Mass Calibrations for Local Low-Mass Galaxies
Mithi A. C. de los Reyes, Yasmeen Asali, Risa Wechsler +10
The stellar masses of galaxies are measured using integrated light via several methods -- however, few of these methods were designed for low-mass ($M_{\star}\lesssim10^{8}\rm{M_{\…
COOL-LAMPS. VII. Quantifying Strong-lens Scaling Relations with 177 Cluster-scale Strong Gravitational Lenses in DECaLS
Simon D. Mork, Michael D. Gladders, Gourav Khullar +27
We estimate the Einstein-radius-enclosed total mass for 177 cluster-scale strong gravitational lenses identified by the ChicagO Optically selected Lenses Located At the Margins of…
Measurement of three-body chaotic absorptivity predicts chaotic outcome distribution
Viraj Manwadkar, Alessandro Alberto Trani, Barak Kol
The flux-based statistical theory of the non-hierarchical three-body system predicts that the chaotic outcome distribution reduces to the chaotic emissivity function times a known…
COOL-LAMPS IV: A Sample of Bright Strongly-Lensed Galaxies at
Yunchong Zhang, Viraj Manwadkar, Michael D. Gladders +21
We report the discovery of five bright strong gravitationally lensed galaxies at : COOLJ01012055 (), COOLJ01040757 (), COOLJ01451018 ($z =…
Identification of Galaxy-Galaxy Strong Lens Candidates in the DECam Local Volume Exploration Survey Using Machine Learning
E. A. Zaborowski, A. Drlica-Wagner, F. Ashmead +88
We perform a search for galaxy-galaxy strong lens systems using a convolutional neural network (CNN) applied to imaging data from the first public data release of the DECam Local V…
Spatial and orbital planes of the Milky Way satellites: unusual but consistent with CDM
Khanh Pham, Andrey Kravtsov, Viraj Manwadkar
We examine the spatial distribution and orbital pole correlations of satellites in a suite of zoom-in high-resolution dissipationless simulations of Miky Way (MW) sized haloes. We…
Colour and infall time distributions of satellite galaxies in simulated Milky-Way analogs
Yue Pan, Christine M. Simpson, Andrey Kravtsov +6
We use the Auriga simulations to probe different satellite quenching mechanisms operating at different mass scales () in Mil…
Pegasus IV: Discovery and Spectroscopic Confirmation of an Ultra-Faint Dwarf Galaxy in the Constellation Pegasus
W. Cerny, J. D. Simon, T. S. Li +29
We report the discovery of Pegasus IV, an ultra-faint dwarf galaxy found in archival data from the Dark Energy Camera processed by the DECam Local Volume Exploration Survey. Pegasu…
Forward-modelling the Luminosity, Distance, and Size distributions of the Milky Way Satellites
Viraj Manwadkar, Andrey Kravtsov
We use \texttt{GRUMPY}, a simple regulator-type model for dwarf galaxy formation and evolution, to forward model the dwarf galaxy satellite population of the Milky Way (MW) using t…
GRUMPY: a simple framework for realistic forward-modelling of dwarf galaxies
Andrey Kravtsov, Viraj Manwadkar
We present a simple regulator-type framework designed specifically for modelling formation of dwarf galaxies. Despite its simplicity, when coupled with realistic mass accretion his…
Testing the Flux-based statistical prediction of the Three-Body Problem
Viraj Manwadkar, Barak Kol, Alessandro A. Trani +1
We present an extensive comparison between the statistical properties of non-hierarchical three-body systems and the corresponding three-body theoretical predictions. We perform an…
Chaos and Lévy Flights in the Three-Body Problem
Viraj Manwadkar, Alessandro A. Trani, Nathan W. C. Leigh
We study chaos and Lévy flights in the general gravitational three-body problem. We introduce new metrics to characterize the time evolution and final lifetime distributions, namel…