A Lagrangian model with mild radial gas flows (1.5 km/s) simultaneously reproduces the Milky Way's [O/Fe]-[Fe/H] distribution, stellar surface density profile, abundance gradients, and age-abundance relations under a two-infall scenario.
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12 Pith papers cite this work. Polarity classification is still indexing.
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Chemical sub-populations in ω Centauri show distinct spatial distributions and kinematics, with Al-rich stars more centrally concentrated and radially anisotropic than Al-poor stars.
Eight low-redshift Little Red Dots identified in DESI DR1 exhibit broad Balmer lines, steep decrements, compact shapes, and negligible variability, with a number density roughly 10,000 times lower than at z>4.
Chemical mixture modeling of Gaia and APOGEE stars indicates that most kinematic halo substructures are contaminated with Gaia-Sausage/Enceladus debris and heated disc stars, so no halo substructure is a chemically pure population.
A revised parallel chemical evolution model with pre-enriched delayed second infall explains the Milky Way's alpha-element abundance patterns, co-evolution phase, and old low-alpha stars from APOGEE data.
Asteroseismic ages from TESS calibrate [Y/Mg] and [C/N] chemical clocks, revealing a radially dependent [Y/Mg]-age relation that is steeper in the outer Galactic disc and flatter inward, with NLTE corrections and evolutionary stage accounting required for accuracy.
Spectroscopic follow-up of 11 candidates from the MGQPC catalog confirms 6 dual quasars and 3 projected quasars, with discussion of prior survey misses and future strategies.
FRIIs show lower cluster association rates than FRIs (30.6% vs 48.6% volume-limited; 32.6% vs 45.6% paired), with the gap widening at high luminosity, yet similar environments once inside clusters.
Five halo substructures (disk, Splash, GSE, Thamnos1, Thamnos2) are recovered with distinct chemo-dynamical properties supporting extragalactic origins.
Using 8D chemical clustering on APOGEE DR17 and kinematic matching to e-TidalGCs simulations, the authors report 470 ω Cen-like stars including 6 kinematically consistent with its stream and additional links to streams from five other clusters, supporting a common disrupted progenitor.
DSC classifiers achieve at least 88% completeness and 96% purity for bright extragalactic sources in Gaia DR4, with mid-IR data boosting faint-source completeness at modest purity cost.
Six seismic solar analogs have masses 0.91-1.04 solar masses, radii 0.95-1.08 solar radii, and ages 1.8-9.1 Gyr, with one star matching the Sun closely enough to be called a solar twin.
citing papers explorer
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Chemical evolution of the Milky Way disc with radial gas flows: a Lagrangian approach
A Lagrangian model with mild radial gas flows (1.5 km/s) simultaneously reproduces the Milky Way's [O/Fe]-[Fe/H] distribution, stellar surface density profile, abundance gradients, and age-abundance relations under a two-infall scenario.
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The chemo-dynamical complexity of {\omega} Centauri: different kinematics for different populations
Chemical sub-populations in ω Centauri show distinct spatial distributions and kinematics, with Al-rich stars more centrally concentrated and radially anisotropic than Al-poor stars.
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A new sample of Little Red Dots at $z<0.45$ in DESI DR1: Broad Balmer lines, low ionization spectrum and no variability
Eight low-redshift Little Red Dots identified in DESI DR1 exhibit broad Balmer lines, steep decrements, compact shapes, and negligible variability, with a number density roughly 10,000 times lower than at z>4.
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Chemical decoding of kinematic substructures in the Galactic halo
Chemical mixture modeling of Gaia and APOGEE stars indicates that most kinematic halo substructures are contaminated with Gaia-Sausage/Enceladus debris and heated disc stars, so no halo substructure is a chemically pure population.
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Co-evolution of the Milky Way high- and low-{\alpha} sequences with chemical evolution models
A revised parallel chemical evolution model with pre-enriched delayed second infall explains the Milky Way's alpha-element abundance patterns, co-evolution phase, and old low-alpha stars from APOGEE data.
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Calibration of the [C/N] and [Y/Mg] chemical clocks with asteroseismic ages from the TESS space mission
Asteroseismic ages from TESS calibrate [Y/Mg] and [C/N] chemical clocks, revealing a radially dependent [Y/Mg]-age relation that is steeper in the outer Galactic disc and flatter inward, with NLTE corrections and evolutionary stage accounting required for accuracy.
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Search for Quasar Pairs with ${\it Gaia}$ Astrometric Data. III. Discovery of 9 dual and projected quasars
Spectroscopic follow-up of 11 candidates from the MGQPC catalog confirms 6 dual quasars and 3 projected quasars, with discussion of prior survey misses and future strategies.
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Probing the environments of FRI and FRII radio galaxies in LoTSS DR2 with galaxy clusters
FRIIs show lower cluster association rates than FRIs (30.6% vs 48.6% volume-limited; 32.6% vs 45.6% paired), with the gap widening at high luminosity, yet similar environments once inside clusters.
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Searching for and characterizing halo substructures with the GALAH DR4 survey
Five halo substructures (disk, Splash, GSE, Thamnos1, Thamnos2) are recovered with distinct chemo-dynamical properties supporting extragalactic origins.
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The Nephele ecosystem: stars, globular clusters, and stellar streams associated with the progenitor galaxy of $\omega$ Centauri
Using 8D chemical clustering on APOGEE DR17 and kinematic matching to e-TidalGCs simulations, the authors report 470 ω Cen-like stars including 6 kinematically consistent with its stream and additional links to streams from five other clusters, supporting a common disrupted progenitor.
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Performance analysis of extragalactic classifications in Gaia Data Release 4
DSC classifiers achieve at least 88% completeness and 96% purity for bright extragalactic sources in Gaia DR4, with mid-IR data boosting faint-source completeness at modest purity cost.
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Characterizing six seismic solar analogs observed by Kepler, K2, and HERMES
Six seismic solar analogs have masses 0.91-1.04 solar masses, radii 0.95-1.08 solar radii, and ages 1.8-9.1 Gyr, with one star matching the Sun closely enough to be called a solar twin.