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A. P. Ji

0000-0002-4863-8842
astro-ph.GAastro-ph.SRastro-ph.COastro-ph.HEastro-ph.IMastro-ph.EPAstronomy and astrophysicsgr-qcnucl-exnucl-th

On Valency

published · living versions
W_rb6x75w5·v1 · currentpublished
Core-Collapse Supernovae from Single and Binary-Stripped Massive Stars - I. Explodability and Nucleosynthesis
with J. M. Pollin, S. Curtis, C. Fröhlich, E. J. Griffith +4
1 version
W_tz46k6wy·v1published
Mapping the Milky Way with SDSS-V: Galactic Genesis Selection Function and Mock Catalog
W_ayx6paxj·v1published
Identical or fraternal twins? : The chemical homogeneity of wide binaries from Gaia DR2
W_k8s73tq4·v1published
The Southern Stellar Stream Spectroscopic Survey (S5{S}^5): Overview, Target Selection, Data Reduction, Validation, and Early Science
W_cxsaj8pf·v1published
The Great Escape: Discovery of a nearby 1700 km/s star ejected from the Milky Way by Sgr A*
W_bjtd2hkg·v1published
Forecasting the Resolvability of Stellar Velocity Dispersions in Ultra-faint Dwarf Galaxies

Preprints & journals

160 papers in the corpus · 2013–2026
Forecasting the Resolvability of Stellar Velocity Dispersions in Ultra-faint Dwarf Galaxies2610.24563v1 · Pierre Thibodeaux, Alex Drlica-Wagner, Alexander P. Ji et al.2026 · 0 citationsarXivon Valency
Spectroscopic Confirmation of the Milky Way Satellites Boötes V and Leo Minor I and the LMC Satellite DELVE 2: Three Small Ultra-Faint Dwarf Galaxies2610.07182v1 · W. Cerny, M. Geha, J. D. Simon et al.2026 · 0 citationsarXiv
Chemo-dynamical Analysis of a CNO-Enhanced Ultra Metal-poor Star ([Fe/H]<−4\rm[Fe/H] < -4): Insights into Early Enrichment by Faint Population III Supernova2609.13373v2 · Guilherme Limberg, Vinicius M. Placco, Alexander P. Ji et al.2026 · 0 citationsarXiv
Discovery of the Distant, Ultra-Faint Milky Way Satellite Aquarius IV with the Vera C. Rubin Observatory Early Data Preview 22608.02601v1 · William Cerny, Aashay Pai, Alex Drlica-Wagner et al.2026 · 0 citationsarXiv
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 Mapper2607.26149v1 · Mojgan Aghakhanloo, David Aguilar, James Aird et al.2026 · 0 citationsarXiv
Payne4GAIN: NLTE Corrections for Red Giants in Milky Way Mapper using H-Band Neural Network Emulators2607.22499v1 · Pierre Thibodeaux, Alexander P. Ji, Nicholas Storm et al.2026 · 0 citationsarXiv
Boötes III is a Tidally Disrupting Ultra-Faint Dwarf Galaxy on an Eccentric Polar Orbit2607.07803v1 · Ting S. Li, Denis Erkal, Andrew B. Pace et al.2026 · 0 citationsarXiv
Tracing the very early disruption of the Sagittarius dwarf galaxy in the distant Milky Way halo2606.17754v1 · Manuel Bayer, Else Starkenburg, Akshara Viswanathan et al.2026 · 0 citationsarXiv
The DECam MAGIC Survey −- Mapping the Ancient Galaxy in CaHK: Overview and Summary of Early Science2605.26581v1 · A. Chiti, A. Drlica-Wagner, A. B. Pace et al.2026 · 1 citationarXiv
Relics of the first stars spotted in a distant, ultra-faint galaxy.42129529 · Ji, Alexander2026 · 0 citationsNature. 2026;653(8114):357-358
The DECam MAGIC Survey: Investigating the Jet Stellar Stream with Photometric Metallicities2604.13374v2 · H. Q. Do, A. Chiti, P. S. Ferguson et al.2026 · 0 citationsarXiv
The RR-Process Alliance: Actinide Abundances, Variation, and Evolution in Metal-Poor Stars2604.12892v2 · Shivani P. Shah, Rana Ezzeddine, Erika M. Holmbeck et al.2026 · 0 citationsVolume 1009, Issue 2, 2026, 27pp
Implications of low neutron star merger rates for gamma-ray bursts, r-process production and Galactic double neutron stars2604.05059v2 · Maya Fishbach, Alexander P. Ji, Wen-fai Fong et al.2026 · 0 citationsApJL 1006 L49 (2026)
Scylla at APOGEE: The Impact of Starbursts on the Chemical Evolution of the Magellanic Clouds2603.25909v1 · Ivanna Escala, Kristen B.W. McQuinn, Sten Hasselquist et al.2026 · 0 citationsarXiv
Epicyclic Density Variations in the Indus Stellar Stream2603.09305v1 · Yong Yang, Geraint F. Lewis, Ting S. Li et al.2026 · 0 citationsarXiv
Quantifying Element Importance for Mass Recovery from Population III Supernova Yield Fits2603.02440v1 · Zhongyuan Zhang, Alexander P Ji, Vinicius M Placco et al.2026 · 0 citationsAstrophys. J. 1004, 252 (2026)
It's a matter of time: Empirical Constraints on Supernova Yields and Delay Times from Dwarf Spheroidal Galaxies2602.22333v1 · Mair'ead E. Heiger, Alexander P. Ji, Joshua S. Speagle et al.2026 · 0 citationsarXiv
A Path to an All-Sky Survey with Roman2602.21280v1 · Jiwon Jesse Han, Anirudh Chiti, Kai-Feng Chen et al.2026 · 0 citationsarXiv
The DECam MAGIC Survey: Uncovering the Tidal Tails of the Crater II Dwarf Galaxy2602.21283v2 · Kaia R. Atzberger, Andrew B. Pace, Nitya Kallivayalil et al.2026 · 0 citationsarXiv
A Chemodynamical Census of the Milky Way's Ultra-Faint Compact Satellites. I. A First Population-Level Look at the Internal Kinematics and Metallicities of 19 Extremely-Low-Mass Halo Stellar Systems2602.17652v1 · William Cerny, Ting S. Li, Andrew B. Pace et al.2026 · 0 citationsarXiv
Evaluating Classifications of Extremely Metal-poor Candidates Selected from Gaia XP Spectra2601.21292v1 · Riley Thai, Andrew R. Casey, Alexander Ji et al.2026 · 0 citationsarXiv
Discovery of the First Five Carbon-Enhanced Metal-Poor Stars in the LMC2601.10514v2 · Madeline Lucey, Vedant Chandra, Alexander Ji et al.2026 · 0 citationsarXiv
Detailed Chemical Abundance Analysis of the Brightest Stars in the Turranburra and Willka Yaku Stellar Streams2512.10003v1 · Kaitlin B. Webber, Terese T. Hansen, Jennifer L. Marshall et al.2025 · 0 citationsarXiv
S5S^5: Tidal Disruption in Crater 2 and Formation of Diffuse Dwarf Galaxies in the Local Group2512.02177v2 · Guilherme Limberg, Alexander P. Ji, Ting S. Li et al.2025 · 0 citationsarXiv
EDGE-INFERNO: How chemical enrichment assumptions impact the individual stars of a simulated ultra-faint dwarf galaxy2511.05695v1 · Eric P. Andersson, Martin P. Rey, Robert M. Yates et al.2025 · 0 citationsarXiv
Ultra-Faint Milky Way Satellites Discovered in Carina, Phoenix, and Telescopium with DELVE Data Release 32510.11684v2 · C. Y. Tan, W. Cerny, A. B. Pace et al.2025 · 3 citationsApJ 1000, 46 (2026)
MEGATRON: how the first stars can create an iron metallicity plateau in the smallest dwarf galaxies2510.05232v2 · Martin P. Rey, Harley Katz, Corentin Cadiou et al.2025 · 1 citationThe Open Journal of Astrophysics, Vol. 9, 2026 September 30
No Observational Evidence for Dark Matter Nor a Large Metallicity Spread in the Extreme Milky Way Satellite Ursa Major III / UNIONS 12510.02431v2 · William Cerny, Daisy Bissonette, Alexander P. Ji et al.2025 · 4 citationsarXiv
A nearly pristine star from the Large Magellanic Cloud2509.21643v2 · Alexander P. Ji, Vedant Chandra, Selenna Mejias-Torres et al.2025 · 6 citationsarXiv
Aeos is Mixing it Up: The (In)homogeneity of Metal Mixing Following Population III Star Formation2509.13580v1 · Jennifer Mead, Kaley Brauer, Greg L. Bryan et al.2025 · 1 citationarXiv
DELVE Milky Way Satellite Galaxy Census I: Satellite Population and Survey Selection Function in DES, DELVE, and Pan-STARRS2509.12313v2 · C. Y. Tan, A. Drlica-Wagner, A. B. Pace et al.2025 · 5 citationsApJ 1000, 87 (2026)
Chemodynamics of BoötesI with S5S^{5}: Revised Velocity Gradient, Dark Matter Density, and Galactic Chemical Evolution Constraints2509.02546v1 · Nathan R. Sandford, Ting S. Li, Sergey E. Koposov et al.2025 · 1 citationarXiv
Not-so-heavy metal(s): Chemical Abundances in the Ultra-faint Dwarf Galaxies Eridanus IV and Centaurus I2508.11012v1 · Mair'ead E Heiger, Alexander P Ji, Ting S Li et al.2025 · 0 citationsarXiv
A second-generation star in a relic dwarf galaxy2508.04053v2 · Anirudh Chiti, Vinicius M. Placco, Andrew B. Pace et al.2025 · 4 citationsarXiv
Mapping the Distant and Metal-Poor Milky Way with SDSS-V2508.00978v1 · Vedant Chandra, Phillip A. Cargile, Alexander P. Ji et al.2025 · 7 citationsarXiv
Discovery of an [Fe/H]∼−4.8\rm[Fe/H] \sim -4.8 Star in GaiaGaia XP Spectra2508.00067v1 · Guilherme Limberg, Vinicius M. Placco, Alexander P. Ji et al.2025 · 13 citationsarXiv
DELVE-ing into the Milky Way's Globular Clusters: Assessing extra-tidal features in NGC 5897, NGC 7492, and testing detectability with deeper photometry2507.11629v2 · A. Chiti, K. Tavangar, P. S. Ferguson et al.2025 · 2 citationsAstronomical Journal, 170 (2025), 294
Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy2507.06989v1 · Juna A. Kollmeier, Hans-Walter Rix, Conny Aerts et al.2025 · 60 citationsarXiv
The Nineteenth Data Release of the Sloan Digital Sky Survey2507.07093v2 · Gautham Adamane Pallathadka, Mojgan Aghakhanloo, James Aird et al.2025 · 19 citationsarXiv
Spectroscopic Analysis of Pictor II: a very low metallicity ultra-faint dwarf galaxy bound to the Large Magellanic Cloud2506.21841v2 · A. B. Pace, T. S. Li, A. P. Ji et al.2025 · 9 citationsarXiv
Sifting for a Stream: The Morphology of the 300S300S Stellar Stream2506.21410v2 · Benjamin Cohen, Alexander P. Ji, Peter S. Ferguson et al.2025 · 1 citationarXiv
The DECam MAGIC Survey: Spectroscopic Follow-up of the Most Metal-Poor Stars in the Distant Milky Way Halo2506.19163v1 · Vinicius M. Placco, Guilherme Limberg, Anirudh Chiti et al.2025 · 13 citationsarXiv
A Bimodal Metallicity Distribution Function in the Ultra-Faint Dwarf Galaxy Reticulum II2506.16462v2 · Alice M. Luna, Alexander P. Ji, Anirudh Chiti et al.2025 · 4 citationsarXiv
Procedures for Constraining Robotic Fiber Positioning for Highly Multiplexed Spectroscopic Surveys: The Case of FPS for SDSS-V2506.15475v2 · Ilija Medan, Tom Dwelly, Kevin R. Covey et al.2025 · 1 citationarXiv
Chemical Abundances in the Metal-Poor Globular Cluster ESO 280-SC06: A Formerly Massive, Tidally Disrupted Globular Cluster2506.15664v3 · Sam A. Usman, Alexander P. Ji, Jandrie Rodriguez et al.2025 · 1 citationarXiv
SDSS-V Milky Way Mapper (MWM): ASPCAP Stellar Parameters and Abundances in SDSS-V Data Release 192506.07845v2 · Szabolcs M'esz'aros, Paula Jofr'e, Jennifer A. Johnson et al.2025 · 20 citationsarXiv
robostrategy: Field and Target Assignment Optimization in the Sloan Digital Sky Survey V2505.21328v2 · Michael R. Blanton, Joleen K. Carlberg, Tom Dwelly et al.2025 · 2 citationsarXiv
The DECam MAGIC Survey: A Wide-field Photometric Metallicity Study of the Sculptor Dwarf Spheroidal Galaxy2504.03593v2 · Fabr'icia O. Barbosa, Anirudh Chiti, Guilherme Limberg et al.2025 · 5 citationsarXiv
Flipping of the tidal tails of the Ophiuchus stream due to the decelerating Galactic bar2503.19221v1 · Yong Yang, Geraint F. Lewis, Denis Erkal et al.2025 · 7 citations2025 ApJ 984 189
The R-Process Alliance: Hunting for gold in the near-UV spectrum of 2MASS J05383296-59042802503.13426v1 · Terese T. Hansen, Ian U. Roederer, Shivani P. Shah et al.2025 · 5 citationsA&A 697, A127 (2025)
Career total: at least 294 works. 160 are in this corpus.Showing the 50 most recent.

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