activity
20092026
most citedAstropy: A Community Python Package for Astronomy

14.6k citations · 48.6k across the 162 of their papers we have counts for

collaborators

166 papers

cs.HC2026

ContraVis: Evidence-Grounded Visual Analytics for Contradiction Review in Legal Contracts

Luis Sante, Paula Lima, Mariana Rocha +1

Legal contracts are structurally complex documents in which contradictions may emerge across distant and interconnected provisions. Although large language models (LLMs) improve le…

astro-ph.GA2026

Phase-Spirals Across Galactic Disks II: Using large-scale "macro-spirals" in phase-spiral amplitude to derive perturbation times

Kiyan Tavangar, Kathryn V. Johnston, Jason A. S. Hunt +3

Phase-space spirals in the Milky Way disk are a key observable remnant of recent perturbations to the Galaxy. They provide insight into the disk's potential, dynamical evolution, p…

astro-ph.GA2026

A Broken Clock Is Right Twice a Day: [Ce/Mg] Is Not a Universal Chemical Clock

Liam O. Dubay, Jennifer A. Johnson, James W. Johnson +14

The ratio of -process to -element enrichment () has been proposed as a ``chemical clock,'' or a means to estimate stellar ages. However, the age-- relation vari…

astro-ph.GA2026

The Twentieth Data Release of the Sloan Digital Sky Survey: First All-Sky BOSS Spectra, eROSITA-SDSS-V Mapper Coordinated Observations, and a Preview of the Local Volume Mapper

SDSS Collaboration, Mojgan Aghakhanloo, David Aguilar +273

This paper presents the twentieth data release (DR20) from the Sloan Digital Sky Survey, the third data release of its fifth generation (SDSS-V). SDSS-V is a panoptic spectroscopy…

astro-ph.GA2026

Charting the Galactic Underworld I: Comprehensive simulations of the kinematics, rates, and demographics of Milky Way black holes

Tom Wagg, Katelyn Breivik, Adrian M. Price-Whelan +3

With upcoming data from Roman, Gaia DR4, and spectroscopic surveys, we will soon have an unprecedented dataset of Milky Way black holes (BHs) to constrain their formation and evolu…

astro-ph.IM2026

unxt: A Python package for unit-aware computing with JAX

Nathaniel Starkman, Adrian Price-Whelan, Jake Nibauer

unxt is a Python package for unit-aware computing with JAX. unxt is built on top of quax, which provides a framework for building array-like objects that can be used with JAX. unxt…

astro-ph.GA2026

The Milky Way's circular velocity curve measured using element abundance gradients

Danny Horta, Adrian M. Price-Whelan, Sergey E. Koposov +4

Spectroscopic surveys now supply precise stellar label measurements such as element abundances for large samples of stars throughout the Milky Way. These element abundances are kno…

astro-ph.GA2025

The DREAMS Project: Disentangling the Impact of Halo-to-Halo Variance and Baryonic Feedback on Milky Way Satellite Galaxies

Jonah C. Rose, Mariangela Lisanti, Paul Torrey +24

We analyze the properties of satellite galaxies around 1,024 Milky Way-mass hosts from the DREAMS Project, simulated within a CDM cosmology. Utilizing the TNG galaxy-formation m…

astro-ph.EP2025★ 3 cited

The Astrometric Resoeccentric Degeneracy: Eccentric Single Planets Mimic 2:1 Resonant Planet Pairs in Astrometry

Daniel A. Yahalomi, Tiger Lu, Philip J. Armitage +4

Detections of long-period giant exoplanets will expand dramatically with Gaia Data Release 4 (DR4), but interpreting these signals will require care. We derive the astrometric reso…

astro-ph.GA2025★ 1 cited

The dark matter wake of a galactic bar revealed by multichannel Singular Spectral Analysis

Jason A. S. Hunt, Michael S. Petersen, Martin D. Weinberg +7

The Milky Way is known to contain a stellar bar, as are a significant fraction of disc galaxies across the universe. Our understanding of bar evolution, both theoretically and thro…

astro-ph.SR2025

Looking for Companionship: Radial Velocity Follow-Up of Lithium-Rich Giants with ESPRESSO

Maryum Sayeed, Andrew R. Casey, Benjamin T. Montet +4

Lithium-rich red giants have been a long-standing mystery in stellar astrophysics. A leading theory to explain these chemically peculiar and rare objects is interactions with a clo…

astro-ph.GA2025★ 4 cited

StarStream: Automatic detection algorithm for stellar streams

Yingtian Chen, Oleg Y. Gnedin, Adrian M. Price-Whelan +1

The Gaia mission has led to the discovery of over 100 stellar streams in the Milky Way, most of which likely originated from globular clusters (GCs). As the upcoming wide-field sur…

astro-ph.GA2025

StarStream on Gaia: Stream discovery and mass loss rate of globular clusters

Yingtian Chen, Oleg Y. Gnedin, Adrian M. Price-Whelan

We apply the automatic stellar stream detection algorithm StarStream to Gaia Data Release 3 and identify 87 stellar streams associated with Galactic globular clusters (GCs), includ…

astro-ph.GA2025★ 3 cited

The Milky Way - Large Magellanic Cloud Interaction with Simulation Based Inference

Richard A. N. Brooks, Jason L. Sanders, Vedant Chandra +4

The infall of the Large Magellanic Cloud (LMC) into the Milky Way (MW) has displaced the MW's centre of mass, manifesting as an observed reflex motion in the velocities of outer ha…

astro-ph.GA2025

Inferring Stellar Densities with Flexible Models I: The Distribution of RR Lyrae in the Milky Way with DR3

Madeline Lucey, Cecilia Mateu, Adrian Price-Whelan +3

Understanding the formation and evolutionary history of the Milky Way requires detailed mapping of its stellar components, which preserve fossil records of the Galaxy's assembly th…

astro-ph.EP2025

The Orbital Eccentricities of Planets in the Kinematic Thin and Thick Galactic Disks

Sheila Sagear, Sarah Ballard, Kathryne J. Daniel +4

The orbital eccentricity distribution of exoplanets is shaped by a combination of dynamical processes, reflecting both formation conditions and long-term evolution. Probing the orb…

astro-ph.GA2025

Tracing Red Giant Members of the Globular Cluster Palomar 5 with APOGEE and Gaia

Allyson A. Sheffield, Sarah Pearson, Lenin F. Nolasco +5

The globular cluster Palomar 5 (Pal 5) is in the process of being tidally shredded as it orbits the Milky Way. Its core is currently at a heliocentric distance of ~21 kpc, near apo…

astro-ph.GA2025★ 1 cited

The Open Cluster Chemical Abundances and Mapping Survey: VIII. Galactic Chemical Gradient and Azimuthal Analysis from SDSS/MWM DR19

Jonah M. Otto, Peter M Frinchaboy, Natalie R. Myers +16

The Open Cluster Chemical Abundances and Mapping (OCCAM) survey seeks to curate a large, comprehensive, uniform dataset of open clusters and member stars to constrain key Galactic…

astro-ph.GA2025★ 8 cited

The Nineteenth Data Release of the Sloan Digital Sky Survey

SDSS Collaboration, Gautham Adamane Pallathadka, Mojgan Aghakhanloo +210

Mapping the local and distant Universe is key to our understanding of it. For decades, the Sloan Digital Sky Survey (SDSS) has made a concerted effort to map millions of celestial…

astro-ph.IM2025★ 3 cited

Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy

Juna A. Kollmeier, Hans-Walter Rix, Conny Aerts +217

The Sloan Digital Sky Survey-V (SDSS-V) is pioneering panoptic spectroscopy: it is the first all-sky, multi-epoch, optical-to-infrared spectroscopic survey. SDSS-V is mapping the s…

astro-ph.GA2025★ 5 cited

A Simulation Based Inference Approach to the Dynamics of the MW-LMC System -- Validation

Richard A. N. Brooks, Jason L. Sanders, Adam M. Dillamore +2

The infall of the LMC into the Milky Way (MW) has generated dynamical disequilibrium throughout the MW. The interaction has displaced the MW's centre of mass, manifesting as an app…

astro-ph.GA2025

Counterculture Stars: Slow and Retrograde Stars with Low-Alpha Disk Abundances

Carrie Filion, Michael S. Petersen, Danny Horta +3

The Milky Way is home to a thin disk that can be defined via kinematics and/or elemental abundances. The elemental abundance-defined thin disk, also called the low-alpha disk, is g…

astro-ph.GA2025★ 3 cited

Dynamics of tidal spiral arms: Machine learning-assisted identification of equations and application to the Milky Way

Marcel Bernet, Pau Ramos, Teresa Antoja +4

Understanding the spiral arms of the Milky Way (MW) remains a key open question in galactic dynamics. Tidal perturbations, such as the recent passage of the Sagittarius dwarf galax…

astro-ph.GA2025

Tidal Debris Candidates from the Centauri Accretion Event and its Role in Building Up the Milky Way Halo

Borja Anguiano, Arik Mitschang, Takanobu Kirihara +11

We identify stellar tidal debris from the Centauri ( Cen) system among field stars in the APOGEE survey via chemical tagging using a neural network trained on APOGEE observa…