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20012026
most citedThe Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package

5k citations · 36.6k across the 347 of their papers we have counts for

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31 papers · 1 filter

astro-ph.GA2025

photoD with Rubin's Data Preview 1: first stellar photometric distances and deficit of faint blue stars. Stellar distances with Rubin's DP1

L. Palaversa, E. Donev, Ž. Ivezić +96

Aims: We investigate the utility of Rubin's Data Preview 1 for estimating stellar number density profile in the Milky Way halo. Methods: Stellar broad-band near-UV to near-IR $ugri…

astro-ph.GA2025

A Splashback-like Feature of Central Galaxies in Galaxy Clusters

Yuanyuan Zhang, Susmita Adhikari, Louise O. V. Edwards +3

We investigate a splashback-like feature in the outer region of central galaxies (CGs) in clusters. This feature is detected as a "dip" in the radial slope of the CG surface bright…

astro-ph.GA2025

Constraining the Stellar-to-Halo Mass Relation with Galaxy Clustering and Weak Lensing from DES Year 3 Data

G. Zacharegkas, C. Chang, J. Prat +100

We develop a framework to study the relation between the stellar mass of a galaxy and the total mass of its host dark matter halo using galaxy clustering and galaxy-galaxy lensing…

astro-ph.GA2024★ 1 cited

Weak Gravitational Lensing around Low Surface Brightness Galaxies in the DES Year 3 Data

N. Chicoine, J. Prat, G. Zacharegkas +102

We present galaxy-galaxy lensing measurements using a sample of low surface brightness galaxies (LSBGs) drawn from the Dark Energy Survey Year 3 (Y3) data as lenses. LSBGs are diff…

astro-ph.GA2023

Cosmological shocks around galaxy clusters: A coherent investigation with DES, SPT & ACT

D. Anbajagane, C. Chang, E. J. Baxter +111

We search for signatures of cosmological shocks in gas pressure profiles of galaxy clusters using the cluster catalogs from three surveys: the Dark Energy Survey (DES) Year 3, the…

astro-ph.GA2023★ 2 cited

Dark Energy Survey Year 6 Results: Intra-Cluster Light from Redshift 0.2 to 0.5

Yuanyuan Zhang, Jesse B. Golden-Marx, Ricardo L. C. Ogando +46

Using the full six years of imaging data from the Dark Energy Survey, we study the surface brightness profiles of galaxy cluster central galaxies and intra-cluster light. We apply…

astro-ph.GA2021★ 119 cited

The DECam Local Volume Exploration Survey: Overview and First Data Release

A. Drlica-Wagner, J. L. Carlin, D. L. Nidever +67

The DECam Local Volume Exploration survey (DELVE) is a 126-night survey program on the 4-m Blanco Telescope at the Cerro Tololo Inter-American Observatory in Chile. DELVE seeks to…

astro-ph.GA2020★ 47 cited

Probing galaxy evolution in massive clusters using ACT and DES: splashback as a cosmic clock

Susmita Adhikari, Tae-hyeon Shin, Bhuvnesh Jain +113

We measure the projected number density profiles of galaxies and the splashback feature in clusters selected by the Sunyaev--Zeldovich (SZ) effect from the Advanced Atacama Cosmolo…

astro-ph.GA2020

The Diffuse Light Envelope of Luminous Red Galaxies

Y. Leung, Y. Zhang, B. Yanny +53

We use a stacking method to study the radial light profiles of luminous red galaxies (LRGs) at redshift and , out to a radial range of 200 kpc. We do not fin…

astro-ph.GA2020★ 45 cited

A joint SZ-Xray-optical analysis of the dynamical state of 288 massive galaxy clusters

A. Zenteno, D. Hernández-Lang, M. Klein +75

We use imaging from the first three years of the Dark Energy Survey to characterize the dynamical state of 288 galaxy clusters at detected in the Sout…

astro-ph.GA2020★ 47 cited

The impact of spectroscopic incompleteness in direct calibration of redshift distributions for weak lensing surveys

W. G. Hartley, C. Chang, S. Samani +74

Obtaining accurate distributions of galaxy redshifts is a critical aspect of weak lensing cosmology experiments. One of the methods used to estimate and validate redshift distribut…

astro-ph.GA2019★ 21 cited

RedMaPPer: Evolution and Mass Dependence of the Conditional Luminosity Functions of Red Galaxies in Galaxy Clusters

Chun-Hao To, Rachel M. Reddick, Eduardo Rozo +2

We characterize the luminosity distribution, halo mass dependence, and redshift evolution of red galaxies in galaxy clusters using the SDSS Data Release 8 RedMaPPer cluster sample.…

astro-ph.GA2019★ 36 cited

Stellar mass -- halo mass relation for the brightest central galaxies of X-ray clusters since z~0.65

G. Erfanianfar, A. Finoguenov, K. Furnell +25

We present the brightest cluster galaxies (BCGs) catalog for SPectroscoic IDentification of eROSITA Sources (SPIDERS) DR14 cluster program value-added catalog. We list the 416 BCGs…

astro-ph.GA2019★ 7 cited

Constraining Radio Mode Feedback in Galaxy Clusters with the Cluster Radio AGN Properties to z1

N. Gupta, M. Pannella, J. J. Mohr +58

We study the properties of the Sydney University Molonglo Sky Survey (SUMSS) 843~MHz radio AGN population in galaxy clusters from two large catalogs created using the Dark Energy S…

astro-ph.GA2018★ 33 cited

The stellar halo of isolated central galaxies in the Hyper Suprime-Cam imaging survey

Wenting Wang, Jiaxin Han, Alessandro Sonnenfeld +14

We study the faint stellar halo of isolated central galaxies, by stacking galaxy images in the HSC survey and accounting for the residual sky background sampled with random points.…

astro-ph.GA2018★ 284 cited

Stellar Streams Discovered in the Dark Energy Survey

N. Shipp, A. Drlica-Wagner, E. Balbinot +80

We perform a search for stellar streams around the Milky Way using the first three years of multi-band optical imaging data from the Dark Energy Survey (DES). We use DES data cover…

astro-ph.GA2017★ 31 cited

Intrinsic Alignment in redMaPPer clusters -- II. Radial alignment of satellites toward cluster centers

Hung-Jin Huang, Rachel Mandelbaum, Peter E. Freeman +3

We study the orientations of satellite galaxies in redMaPPer clusters constructed from the Sloan Digital Sky Survey at to determine whether there is any preferential t…

astro-ph.GA2017★ 27 cited

Environmental dependence of the galaxy stellar mass function in the Dark Energy Survey Science Verification Data

J. Etherington, D. Thomas, C. Maraston +61

Measurements of the galaxy stellar mass function are crucial to understand the formation of galaxies in the Universe. In a hierarchical clustering paradigm it is plausible that the…

astro-ph.GA2016★ 115 cited

Nearest Neighbor: The Low-Mass Milky Way Satellite Tucana III

J. D. Simon, T. S. Li, A. Drlica-Wagner +56

We present Magellan/IMACS spectroscopy of the recently discovered Milky Way satellite Tucana III (Tuc III). We identify 26 member stars in Tuc III, from which we measure a mean rad…

astro-ph.GA2016★ 12 cited

Tidal stripping as a test of satellite quenching in redMaPPer clusters

Yuedong Fang, Joseph Clampitt, Neal Dalal +4

When dark matter halos are accreted by massive host clusters, strong gravitational tidal forces begin stripping mass from the accreted subhalos. This stripping eventually removes a…

astro-ph.GA2016★ 54 cited

Intrinsic alignments in redMaPPer clusters -- I. Central galaxy alignments and angular segregation of satellites

Hung-Jin Huang, Rachel Mandelbaum, Peter E. Freeman +4

The shapes of cluster central galaxies are not randomly oriented, but rather exhibit coherent alignments with the shapes of their parent clusters as well as with the surrounding la…

astro-ph.GA2016★ 56 cited

Galaxy Populations in Massive Galaxy Clusters to z=1.1: Color Distribution, Concentration, Halo Occupation Number and Red Sequence Fraction

C. Hennig, J. J. Mohr, A. Zenteno +70

We study the galaxy populations in 74 Sunyaev Zeldovich Effect (SZE) selected clusters from the South Pole Telescope (SPT) survey that have been imaged in the science verification…

astro-ph.GA2016★ 19 cited

Comparing Dark Energy Survey and HST-CLASH observations of the galaxy cluster RXC J2248.7-4431: implications for stellar mass versus dark matter

A. Palmese, O. Lahav, M. Banerji +65

We derive the stellar mass fraction in the galaxy cluster RXC J2248.7-4431 observed with the Dark Energy Survey (DES) during the Science Verification period. We compare the stellar…

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…