JJ
J. A. Johnson
astro-ph.GAastro-ph.SRastro-phastro-ph.IMastro-ph.EPastro-ph.HEastro-ph.COCOVID-19AerosolCoronavirus
On Valency
published · living versionsW_qeuhnzz7·v1 · currentpublished
Young stars in an old bulge: a natural outcome of internal evolution in the Milky Way
with M. Ness, Victor. P. Debattista, T. Bensby, S. Feltzing +3
1 version
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Preprints & journals
165 papers in the corpus · 1997–2026Evidence for Enhanced Helium Enrichment from Asteroseismology2609.05604v1 · Miqaela K. Weller, Marc H. Pinsonneault, Jennifer A. Johnson et al.2026 · 0 citationsarXiv
A Broken Clock Is Right Twice a Day: [Ce/Mg] Is Not a Universal Chemical Clock2608.26261v1 · Liam O. Dubay, Jennifer A. Johnson, James W. Johnson et al.2026 · 0 citationsarXiv
Repair of a Congenital Isolated Alar Defect Using Mutaf Triangular Closure and Composite Ear Cartilage Graft in a Pediatric Patient.42370622 · Cohen, David A, Sykes, John J, Poynter, Jacob et al.2026 · 0 citationsThe Journal of craniofacial surgery. 2026
TESS Asteroseismology of Red Giants in the Old Metal-Rich Open Clusters NGC 188 & NGC 67912604.27828v1 · Madeline Howell, Jennifer A. Johnson, Marc H. Pinsonneault et al.2026 · 0 citationsarXiv
[C/N] Ages and Extra-Mixing for [Fe/H] <- 0.5: Insights from the LMC and SMC2602.14925v1 · Yuxi Lu, John D. Roberts, Joshua T. Povick et al.2026 · 0 citationsarXiv
Overview of The SDSS-V Magellanic Genesis Survey2602.02693v1 · David L. Nidever, Danny Horta, Steven R. Majewski et al.2026 · 1 citationarXiv
Checking It Twice: Using [C/N]-Masses and Asteroseismic Masses as a Diagnostic of Mass Loss and Transfer on the RGB2601.10800v1 · John D. Roberts, Marc H. Pinsonneault, Jennifer A. Johnson et al.2026 · 0 citationsarXiv
Untangling the Sources of Abundance Dispersion in Low-metallicity Stars II: Neutron Capture Elements2512.02122v1 · Emily J. Griffith, Marissa Blum, David H. Weinberg et al.2025 · 3 citationsarXiv
Stellar Parameters of BOSS M dwarfs in SDSS-V DR192511.20005v1 · Dan Qiu, Jennifer A. Johnson, Chao Liu et al.2025 · 1 citationarXiv
The Initial mass function of field stars with mass 1 varies with metallicity2511.04280v1 · Dan Qiu, Chao Liu, Jennifer A. Johnson et al.2025 · 0 citationsarXiv
Spectroscopic Follow-up of Young High- Dwarf Star Candidates: Still Likely Genuinely Young2510.15654v1 · Yuxi Lu, Catherine Manea, Maryum Sayeed et al.2025 · 0 citationsarXiv
[C/N] Ages for Red Giants and their Implications for Galactic Archaeology2509.25321v1 · John D. Roberts, Marc H. Pinsonneault, Jennifer A. Johnson et al.2025 · 5 citationsarXiv
A nearly pristine star from the Large Magellanic Cloud2509.21643v2 · Alexander P. Ji, Vedant Chandra, Selenna Mejias-Torres et al.2025 · 6 citationsarXiv
Second harmonic generation of myofibrils exhibits a polarization-resolved "gradient" effect.41112802 · MacDonald, Caylee, Harvey, MacAulay, Zinck, Katherine et al.2025 · 1 citationBiomedical optics express. 2025;16(10):4027-4039
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
Challenges to the Two-Infall Scenario by Large Stellar Age Catalogs2508.00988v2 · Liam O. Dubay, Jennifer A. Johnson, James W. Johnson et al.2025 · 5 citationsarXiv
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
Caregivers of Children With Medical Complexity: A Qualitative Study of Their Adaptation.40288781 · Bayer, Nathaniel D, Krieg, Kathleen D, Yousefi Nooraie, Reza et al.2025 · 7 citationsHospital pediatrics. 2025;15(5):407-415
A Data-Driven M Dwarf Model and Detailed Abundances for $\sim$17,000 M Dwarfs in SDSS-V2501.14955v1 · Aida Behmard, Melissa K. Ness, Andrew R. Casey et al.2025 · 0 citationsarXiv
Computational screening of filamin mechanical binding proteins using AlphaFold2.40773774 · Johnson, Jennifer, González-Morales, Nicanor2025 · 3 citationsBiochemistry and cell biology = Biochimie et biologie cellulaire. 2025;103:1-11
The Multiband Imaging Survey for High-Alpha PlanetS (MISHAPS) I: Preliminary Constraints on the Occurrence Rate of Hot Jupiters in 47 Tucanae2412.09705v2 · Alison L. Crisp (1, Jonas Kluter, Marz L. Newman et al.2024 · 0 citationsAJ 170 104 (2025)
The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars are Metal-Rich2410.13256v1 · James W. Johnson, David H. Weinberg, Guillermo A. Blanc et al.2024 · 15 citationsarXiv
Evidence of Truly Young high- Dwarf Stars2410.02962v1 · Yuxi Lu, Isabel L. Colman, Maryum Sayeed et al.2024 · 7 citationsarXiv
APOKASC-3: The Third Joint Spectroscopic and Asteroseismic catalog for Evolved Stars in the Kepler Fields2410.00102v1 · Marc H. Pinsonneault, Joel C. Zinn, Jamie Tayar et al.2024 · 73 citationsThe Astrophysical Journal Supplement Series, Volume 276, Issue 2, id.69, 35 pp. (2025)
Galactic Chemical Evolution Models Favor an Extended Type Ia Supernova Delay-Time Distribution2404.08059v2 · Liam O. Dubay, Jennifer A. Johnson, James W. Johnson2024 · 21 citationsarXiv
The APO-K2 Catalog. II. Accurate Stellar Ages for Red Giant Branch Stars across the Milky Way2403.16250v2 · Jack T. Warfield, Joel C. Zinn, Jessica Schonhut-Stasik et al.2024 · 23 citationsarXiv
A Gap in the Densities of Small Planets Orbiting M Dwarfs: Rigorous Statistical Confirmation Using the Open-source Code RhoPop2403.13961v1 · J. G. Schulze, Ji Wang, J. A. Johnson et al.2024 · 8 citationsarXiv
Nature vs. Nurture: Distinguishing Effects from Stellar Processing and Chemical Evolution on Carbon and Nitrogen in Red Giant Stars2403.03249v1 · John D. Roberts, Marc H. Pinsonneault, Jennifer A. Johnson et al.2024 · 23 citationsMonthly Notices of the Royal Astronomical Society, Volume 530, Issue 1, pp.149-166 (2024)
A perspective on the Milky Way Bulge-Bar as seen from the neutron-capture elements Cerium and Neodymium with APOGEE2402.14898v2 · J. V. Sales-Silva, K. Cunha, V. V. Smith et al.2024 · 9 citationsarXiv
Spectacular nucleosynthesis from early massive stars2401.02484v1 · Alexander P. Ji, Sanjana Curtis, Nicholas Storm et al.2024 · 27 citationsarXiv
A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE2307.13887v1 · Julie Imig, Cathryn Price, Jon A. Holtzman et al.2023 · 79 citationsApJ 954 124 (2023)
Constraining stellar and orbital co-evolution through ensemble seismology of solar-like oscillators in binary systems -- A census of oscillating red-giants and main-sequence stars in Gaia DR3 binaries2307.10812v3 · P. G. Beck, D. H. Grossmann, L. Steinwender et al.2023 · 1 citationarXiv
The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V2301.07688v2 · Andr'es Almeida, Scott F. Anderson, Maria Argudo-Fern'andez et al.2023 · 289 citationsarXiv
Untangling the Sources of Abundance Dispersion in Low-Metallicity Stars2210.01821v2 · Emily J. Griffith, Jennifer A. Johnson, David H. Weinberg et al.2022 · 10 citationsarXiv
A Reanalysis of the Composition of K2-106b: an Ultra-short Period Super-Mercury Candidate2208.07883v1 · Romy Rodr'iguez Mart'inez, B. Scott Gaudi, Joseph G. Schulze et al.2022 · 15 citationsarXiv
Zeta-Payne: a fully automated spectrum analysis algorithm for the Milky Way Mapper program of the SDSS-V survey2203.14538v1 · Ilya Straumit, Andrew Tkachenko, Sarah Gebruers et al.2022 · 16 citationsarXiv
Mapping Progenitors of Binary Black Holes and Neutron Stars with Binary Population Synthesis2203.04982v1 · Miqaela K. Weller, Jennifer A. Johnson2022 · 4 citationsarXiv
The Circumstellar Environments of Double-Peaked, Calcium-strong Supernovae 2021gno and 2021inl2203.03785v1 · Wynn Jacobson-Gal'an, Padma Venkatraman, Raffaella Margutti et al.2022 · 31 citationsarXiv
Aerosol and Droplet Generation from Open Rhinoplasty: Surgical Risk in the Pandemic Era.34964656 · Ye, Michael J, Campiti, Vincent J, Falls, Megan et al.2024 · 2 citationsFacial plastic surgery & aesthetic medicine. 2024;26(4):463-468
Residual Abundances in GALAH DR3: Implications for Nucleosynthesis and Identification of Unique Stellar Populations2110.06240v2 · Emily J. Griffith, David H. Weinberg, Sven Buder et al.2021 · 25 citationsarXiv
Final Targeting Strategy for the SDSS-IV APOGEE-2N Survey2108.11907v1 · Rachael L. Beaton, Ryan J. Oelkers, Christian R. Hayes et al.2021 · 100 citationsarXiv
Final Targeting Strategy for the SDSS-IV APOGEE-2S Survey2108.11908v1 · Felipe A. Santana, Rachael L. Beaton, Kevin R. Covey et al.2021 · 99 citationsarXiv
Chemical Cartography with APOGEE: Mapping Disk Populations with a Two-Process Model and Residual Abundances2108.08860v1 · David H. Weinberg, Jon A. Holtzman, Jennifer A. Johnson et al.2021 · 49 citationsarXiv
The K2 Galactic Archaeology Program Data Release 3: Age-abundance patterns in C1-C8 and C10-C182108.05455v3 · Joel C. Zinn, Dennis Stello, Yvonne Elsworth et al.2021 · 48 citationsApJ 926 191 (2022)
Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. VIII. Carbon and oxygen2106.11314v2 · T. Bensby, A. Gould, M. Asplund et al.2021 · 12 citationsA&A 655, A117 (2021)
CNO dredge-up in a sample of APOGEE/Kepler red giants: Tests of stellar models and Galactic evolutionary trends of N/O and C/N2106.03912v1 · Fiorenzo Vincenzo, David H. Weinberg, Josefina Montalb'an et al.2021 · 7 citationsarXiv
The Impact of Black Hole Formation on Population Averaged Supernova Yields2103.09837v2 · Emily J. Griffith, Tuguldur Sukhbold, David H. Weinberg et al.2021 · 32 citationsarXiv
Aerosol and droplet generation from orbital repair: Surgical risk in the pandemic era.33667797 · Ye, Michael J, Vadhul, Raghav B, Sharma, Dhruv et al.2021 · 4 citationsAmerican journal of otolaryngology. 2021;42(4):102970
Nucleosynthesis signatures of neutrino-driven winds from proto-neutron stars: a perspective from chemical evolution models2102.04920v2 · Fiorenzo Vincenzo, Todd A. Thompson, David H. Weinberg et al.2021 · 11 citationsarXiv
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