$\texttt{StreamSculptor}$: Hamiltonian Perturbation Theory for Stellar Streams in Flexible Potentials with Differentiable Simulations

Jacob Nibauer, Ana Bonaca, David N. Spergel +4

Unicorns and Giraffes in the binary zoo: stripped giants with subgiant companions

Kareem El-Badry, Rhys Seeburger, Tharindu Jayasinghe +5

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

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

Inferring the gravitational potential of the Milky Way with a few precisely measured stars

Adrian M. Price-Whelan, David W. Hogg, Kathryn V. Johnston +1

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

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

Multiple retrograde substructures in the Galactic halo: A shattered view of Galactic history

Helmer H. Koppelman, Amina Helmi, Davide Massari +2

Stellar Mergers or Truly Young? Intermediate-Age Stars on Highly-Radial Orbits in the Milky Way's Stellar Halo

Danny Horta, Yuxi, Lu +3

The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data

Abdurro'uf, Katherine Accetta, Conny Aerts +337

Meta-Learning for One-Class Classification with Few Examples using Order-Equivariant Network

Ademola Oladosu, Tony Xu, Philip Ekfeldt +5

Kronos & Krios: Evidence for accretion of a massive, rocky planetary system in a comoving pair of solar-type stars

Semyeong Oh, Adrian M. Price-Whelan, John M. Brewer +3

Measurement of Substructure from the Kinematics of the GD-1 Stellar Stream

Jacob Nibauer, Ana Bonaca, Adrian M. Price-Whelan +2

OTI on FIRE: Testing the Efficacy of Orbital Torus Imaging to Recover the Galactic Potential

Micah Oeur, Sarah R. Loebman, Adrian M. Price-Whelan +3

NANCY: Next-generation All-sky Near-infrared Community surveY

Jiwon Jesse Han, Arjun Dey, Adrian M. Price-Whelan +206

Disk Heating, Galactoseismology, and the Formation of Stellar Halos

Kathryn V. Johnston, Adrian M. Price-Whelan, Maria Bergemann +7

Gaia DR3 detectability of unresolved binary systems

Alfred Castro-Ginard, Zephyr Penoyre, Andrew R. Casey +10

Tidal Stream Morphology as an Indicator of Dark Matter Halo Geometry: the Case of Palomar 5

Sarah Pearson, Andreas H. W. Küpper, Kathryn V. Johnston +1

A Path to an All-Sky Survey with Roman

Jiwon Jesse Han, Anirudh Chiti, Kai-Feng Chen +93

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

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

Semi-Analytic Modeling of Dark Matter Subhalo Encounters with Thin Stellar Streams: Statistical Predictions for GD-1-like Streams in CDM

Duncan K. Adams, Aditya Parikh, Oren Slone +3

The 3D Galactocentric velocities of Kepler stars: marginalizing over missing RVs

Ruth Angus, Adrian M. Price-Whelan, Joel C. Zinn +4

Snails Across Scales: Local and Global Phase-Mixing Structures as Probes of the Past and Future Milky Way

Suroor S. Gandhi, Kathryn V. Johnston, Jason A. S. Hunt +3

Spitzer, Gaia, and the Potential of the Milky Way

Adrian M. Price-Whelan, Kathryn V. Johnston

The Joker: A custom Monte Carlo sampler for binary-star and exoplanet radial velocity data

Adrian M. Price-Whelan, David W. Hogg, Daniel Foreman-Mackey +1

Software Sustainability & High Energy Physics

Daniel S. Katz, Sudhir Malik, Mark S. Neubauer +16

In Pursuit of Galactic Archaeology: Astro2020 Science White Paper

Melissa Ness, Jonathan Bird, Jennifer Johnson +30

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

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

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

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

Multiple components of the Jhelum stellar stream

Ana Bonaca, Charlie Conroy, Adrian M. Price-Whelan +1

SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way Galaxy, and Extra-Solar Planetary Systems

Daniel J. Eisenstein, David H. Weinberg, Eric Agol +237

exoplanet: Gradient-based probabilistic inference for exoplanet data & other astronomical time series

Daniel Foreman-Mackey, Rodrigo Luger, Eric Agol +13

Metallicity and $α$-element Abundance Gradients along the Sagittarius Stream as Seen by APOGEE

Christian R. Hayes, Steven R. Majewski, Sten Hasselquist +27

On the co-rotation of Milky Way satellites: LMC-mass satellites induce apparent motions in outer halo tracers

Nicolas Garavito-Camargo, Adrian M. Price-Whelan, Jenna Samuel +8

Disk-Like Chemistry of the Triangulum-Andromeda Overdensity as Seen by APOGEE

Christian R. Hayes, Steven R. Majewski, Sten Hasselquist +15

cogsworth: A Gala of COSMIC proportions combining binary stellar evolution and galactic dynamics

Tom Wagg, Katelyn Breivik, Mathieu Renzo +1

Gaps and length asymmetry in the stellar stream Palomar 5 as effects of Galactic bar rotation

Sarah Pearson, Adrian M. Price-Whelan, Kathryn V. Johnston

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 homogeneity of the star forming environment of the Milky Way disk over time

Melissa K. Ness, Adam J. Wheeler, Kevin McKinnon +4

Inferring the density and membership of stellar streams with flexible models: The GD-1 stream in Gaia Data Release 3

Kiyan Tavangar, Adrian M. Price-Whelan

SMHASH: Anatomy of the Orphan Stream using RR Lyrae stars

David Hendel, Victoria Scowcroft, Kathryn V. Johnston +30

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

The Milky Way Bulge Extra-Tidal Star Survey: NGC 6569

Joanne Hughes, Andrea Kunder, Kevin Covey +25

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

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

Multiple phase spirals suggest multiple origins in Gaia DR3

Jason A. S. Hunt, Adrian M. Price-Whelan, Kathryn V. Johnston +1

Age-Dating Red Giant Stars Associated with Galactic Disk and Halo Substructures

Samuel K. Grunblatt, Joel C. Zinn, Adrian M. Price-Whelan +12

Stellar Astrophysics and Exoplanet Science with the Maunakea Spectroscopic Explorer (MSE)

Maria Bergemann, Daniel Huber, Vardan Adibekyan +70

astroplan: An Open Source Observation Planning Package in Python

Brett M. Morris, Erik Tollerud, Brigitta Sipocz +9

Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy

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

Data-driven Dynamics with Orbital Torus Imaging: A Flexible Model of the Vertical Phase Space of the Galaxy

Adrian M. Price-Whelan, Jason A. S. Hunt, Danny Horta +4

Improving \textsl{Gaia} parallax precision with a data-driven model of stars

Lauren Anderson, David W. Hogg, Boris Leistedt +2

Exploring Halo Substructure with Giant Stars. XV. Discovery of a Connection between the Monoceros Ring and the Triangulum-Andromeda Overdensity?

Ting S. Li, Allyson A. Sheffield, Kathryn V. Johnston +9

The Astropy Problem

Demitri Muna, Michael Alexander, Alice Allen +151

StarStream: Automatic detection algorithm for stellar streams

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

Quantifying the Milky Way, LMC and their interaction using all-sky kinematics of outer halo stars

Richard A. N. Brooks, Jason L. Sanders, Adam M. Dillamore +4

The Open Cluster Chemical Abundances and Mapping Survey: VI. Galactic Chemical Gradient Analysis from APOGEE DR17

Natalie Myers, John Donor, Taylor Spoo +19

Tidal Features at 0.05<z<0.45 in the Hyper Suprime-Cam Subaru Strategic Program: Properties and Formation Channels

Erin Kado-Fong, Jenny E. Greene, David Hendel +10

A Probabilistic Approach to Fitting Period-Luminosity Relations and Validating Gaia Parallaxes

Branimir Sesar, Morgan Fouesneau, Adrian M. Price-Whelan +3

The Baryon Oscillation Spectroscopic Survey of SDSS-III

Kyle S. Dawson, David J. Schlegel, Christopher P. Ahn +162

Chemical Cartography of the Sagittarius Stream with Gaia

Emily C. Cunningham, Jason A. S. Hunt, Adrian M. Price-Whelan +5

What bandwidth do I need for my image?

Adrian M. Price-Whelan, David W. Hogg

LMC Calls, Milky Way Halo Answers: Disentangling the Effects of the MW--LMC Interaction on Stellar Stream Populations

Richard A. N. Brooks, Nicolás Garavito-Camargo, Kathryn V. Johnston +3

Radial phase spirals in the Solar neighbourhood

Jason A. S. Hunt, Adrian M. Price-Whelan, Kathryn V. Johnston +4

Sumo Puff: Tidal Debris or Disturbed Ultra-Diffuse Galaxy?

Johnny P. Greco, Jenny E. Greene, Adrian M. Price-Whelan +10

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 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

The paper describes the twentieth data release (DR20) of the Sloan Digital Sky Survey, providing over 3 million new optical spectra from the SDSS‑V Milky Way, Black Hole, and Local…

High-resolution spectroscopy of the GD-1 stellar stream localizes the perturber near the orbital plane of Sagittarius

Ana Bonaca, Charlie Conroy, David W. Hogg +6

The impact of a massive Sagittarius dSph on GD-1-like streams

Adam M. Dillamore, Vasily Belokurov, N. Wyn Evans +1

A re-interpretation of the Triangulum-Andromeda stellar clouds: a population of halo stars kicked out of the Galactic disk

Adrian M. Price-Whelan, Kathryn V. Johnston, Allyson A. Sheffield +2

Tidal interactions between binary stars drives lithium production in low-mass red giants

Andrew R. Casey, Anna Y. Q. Ho, Melissa Ness +9

Chaotic Dispersal of Tidal Debris

Adrian M. Price-Whelan, Kathryn V. Johnston, Monica Valluri +3

A Disk Origin for the Monoceros Ring and A13 Stellar Overdensities

Allyson A. Sheffield, Adrian M. Price-Whelan, Anastasios Tzanidakis +3

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

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

Carbon-Enhanced Metal-Poor star candidates from BP/RP Spectra in $Gaia$ DR3

Madeline Lucey, Nariman Al Kharusi, Keith Hawkins +6

No Massive Companion to the Coherent Radio-Emitting M Dwarf GJ 1151

Benjamin J. S. Pope, Megan Bedell, Joseph R. Callingham +4

The Clustering of Orbital Poles Induced by the LMC: Hints for the Origin of Planes of Satellites

Nicolas Garavito-Camargo, Ekta Patel, Gurtina Besla +4

Binary companions of evolved stars in APOGEE DR14: Orbital circularization

Adrian M. Price-Whelan, Jeremy Goodman

Prospects for Detecting Gaps in Globular Cluster Stellar Streams in External Galaxies with the Nancy Grace Roman Space Telescope

Christian Aganze, Sarah Pearson, Tjitske Starkenburg +5

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

Stream Fanning and Bifurcations: Observable Signatures of Resonances in Stellar Stream Morphology

Tomer D. Yavetz, Kathryn V. Johnston, Sarah Pearson +2

The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

Romina Ahumada, Carlos Allende Prieto, Andres Almeida +310

Segue 2 Recently Collided with the Cetus-Palca Stream: New Opportunities to Constrain Dark Matter in an Ultra-Faint Dwarf

Hayden R. Foote, Gurtina Besla, Nicolás Garavito-Camargo +7

Off the beaten path: Gaia reveals GD-1 stars outside of the main stream

Adrian M. Price-Whelan, Ana Bonaca

The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample

Shadab Alam, Metin Ata, Stephen Bailey +69

Exploring the evolution of stellar rotation using Galactic kinematics

Ruth Angus, Angus Beane, Adrian M. Price-Whelan +9

Comoving stars in Gaia DR1: An abundance of very wide separation co-moving pairs

Semyeong Oh, Adrian M. Price-Whelan, David W. Hogg +2

Evidence of Truly Young high-$α$ Dwarf Stars

Yuxi Lu, Isabel L. Colman, Maryum Sayeed +14

A slow spin to win -- the gradual evolution of the proto-Galaxy to the old disc

Akshara Viswanathan, Danny Horta, Adrian M. Price-Whelan +1

No Stream Left Unscathed: The imprint of a host galaxy

Arpit Arora, Peter S. Ferguson, Jacob Nibauer +11

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

Borja Anguiano, Arik Mitschang, Takanobu Kirihara +11

The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition

The MSE Science Team, Carine Babusiaux, Maria Bergemann +258

Double-lined spectroscopic binaries in the APOGEE DR16 and DR17 data

Marina Kounkel, Kevin R. Covey, Keivan G. Stassun +25

Galaxy Interactions Trigger Rapid Black Hole Growth: an unprecedented view from the Hyper Suprime-Cam Survey

Andy D. Goulding, Jenny E. Greene, Rachel Bezanson +6

The Ninth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Baryon Oscillation Spectroscopic Survey

III Collaboration, Christopher P. Ahn, Rachael Alexandroff +224

Variations in the width, density, and direction of the Palomar 5 tidal tails

Ana Bonaca, Sarah Pearson, Adrian M. Price-Whelan +8

Two chemically similar stellar overdensities on opposite sides of the plane of the Galaxy

Maria Bergemann, Branimir Sesar, Judith G. Cohen +9

Stellar Streams in the Gaia Era

Ana Bonaca, Adrian M. Price-Whelan

The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

Shadab Alam, Franco D. Albareti, Carlos Allende Prieto +271

Spectacular nucleosynthesis from early massive stars

Alexander P. Ji, Sanjana Curtis, Nicholas Storm +39

Separatrix Divergence of Stellar Streams in Galactic Potentials

Tomer D. Yavetz, Kathryn V. Johnston, Sarah Pearson +2

Spectroscopic confirmation of very-wide stellar binaries and large-separation comoving pairs from Gaia DR1

Adrian M. Price-Whelan, Semyeong Oh, David N. Spergel

Detecting the Figure Rotation of Dark Matter Halos with Tidal Streams

Monica Valluri, Adrian M. Price-Whelan, Sarah J. Snyder