Hot cores in supernova remnant RX J1713.7-3946 exhibit column density ratios of complex organics, deuterated species, and S/N-bearing molecules that are indistinguishable from those in typical star-forming environments.
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Four new transiting giant planets (three Saturn-mass, one dense super-Jupiter) with periods of 1.25-4.17 days have been found orbiting early M-dwarfs, including one around a metal-poor star.
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Hydrolyzed haze analogs from water-rich exoplanet conditions show higher absorptivity and a high imaginary refractive index that flattens spectral features in atmospheric models.
MHD collapse simulations define an Envelope-Disk Transition Zone (ENDTRANZ) where a jump in the j-r profile occurs due to positive gravitational torques, with a corresponding jump detected in ALMA observations of L1527 IRS.
The low-mass IMF in Boötes I is consistent with the Milky Way within 68% confidence for broken power-law and lognormal forms, indicating universality at low metallicity.
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Survival of Molecular Complexity under Recent Supernova Feedback: Detection of Hot Cores in RX J1713.7-3946
Hot cores in supernova remnant RX J1713.7-3946 exhibit column density ratios of complex organics, deuterated species, and S/N-bearing molecules that are indistinguishable from those in typical star-forming environments.
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Searching for GEMS: Three warm Saturns and a super-Jupiter orbiting four early M-dwarfs
Four new transiting giant planets (three Saturn-mass, one dense super-Jupiter) with periods of 1.25-4.17 days have been found orbiting early M-dwarfs, including one around a metal-poor star.
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Gauging the Impact of Cosmic Ray Feedback on the Stellar Initial Mass Function
Cosmic ray transport in molecular cloud simulations boosts star formation efficiency by up to 43% and yields a top-heavier IMF with a high-mass slope shallower by ~20%.
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Hydrolyzed Hazes on Water-rich Exoplanets: Optical Constants and Detectability
Hydrolyzed haze analogs from water-rich exoplanet conditions show higher absorptivity and a high imaginary refractive index that flattens spectral features in atmospheric models.
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Modelling the Break in the Specific Angular Momentum within the Envelope-Disk Transition Zone
MHD collapse simulations define an Envelope-Disk Transition Zone (ENDTRANZ) where a jump in the j-r profile occurs due to positive gravitational torques, with a corresponding jump detected in ALMA observations of L1527 IRS.
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Probing the IMF in the Early Universe -- Direct measurements in the Bo\"otes I UFD with JWST/NIRCam
The low-mass IMF in Boötes I is consistent with the Milky Way within 68% confidence for broken power-law and lognormal forms, indicating universality at low metallicity.
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Reaccumulation process after a catastrophic disruption event on a differentiated asteroid
Catastrophic disruption of differentiated asteroids creates a sheet-like mix of core and mantle fragments with uniform iron-rock ratios that reaccumulate into iron-rich rubble piles if the core is molten.
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A Coordinate System for Dynamical Instabilities in Hierarchical Systems in REBOUND
A new wide-binary coordinate system in REBOUND's TRACE integrator produces qualitatively correct results for planet-planet scattering, stellar flybys, and ZLK oscillations where prior hybrid integrators fail, while matching IAS15 accuracy at up to 9x speed.
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Modeling YSO Jets in 3D III: Dependence of Accretion and Jet Properties on Stellar Magnetospheric Field Strength and Rotation
Simulations demonstrate that YSO jet properties are controlled by stellar magnetospheric field strength and rotation, producing counter-rotating jets even from non-rotating stars and allowing upper limits on disk toroidal field from observed outflows.
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The emerging timescale of young star clusters regulated by cluster stellar mass
Massive young star clusters clear their natal gas faster than lower-mass clusters, based on HST and JWST imaging of four galaxies.
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Fragmentation in the Serpens/Aquila Star-forming Region
ALMA Cycle 6 data on Aquila dense cores identifies two starless sources and scale-dependent increases in multiplicity, consistent with turbulent core collapse simulations predicting 1.19 starless detections.
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Characterization of the Volatile Properties of 133P/Elst-Pizarro and Other Main-Belt Comets with JWST and Ground-Based Observations
JWST observations of 133P/Elst-Pizarro yield water outgassing rates of (1.9 ± 0.6) × 10^25 and (1.4 ± 0.4) × 10^25 molecules/s at true anomalies 8° and 37.4°, with hypervolatile depletion Q(CO2)/Q(H2O) < 0.009 and an average log(Afrho/Q(H2O)) = -24.6 ± 0.2 across three MBCs.
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A tidally detached super Neptune on a strongly misaligned retrograde orbit
TOI-1710 b has a true obliquity of 149 degrees indicating retrograde motion, favoring high-eccentricity migration via planet-planet scattering and Kozai-Lidov cycles for this tidally detached super-Neptune.
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Inspecting Cloudy Substellar Atmospheres with JWST MIRI Synthetic Magnitudes from Spitzer Mid-infrared Spectra
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Inversion of Hydrogen-rich Atmosphere and Water Content for GJ 486b
Numerical inversion of GJ 486b's escape history shows strong degeneracy between initial hydrogen atmosphere and water inventory, yielding a probabilistic stellar age of 2.90^{+2.47}_{-2.27} Gyr when using a planet-formation prior.
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Constructing Earth Formation History Using Deep Mantle Noble Gas Reservoirs
Simulations tie the deep-mantle primordial neon reservoir to an initial embryo mass of ~0.3 Earth masses assembled during solar-nebula dispersal.
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A Parameterized YSO Accretion Disk Model with Increasing Accretion Rate: Predicted Outburst Lightcurves
A parameterized accretion disk model for young stellar objects predicts that optical and near-IR outburst light curves track the input accretion rate profile while mid-IR curves respond more to the location and heating of the innermost dust disk.
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TOI-159 b: an eccentric hot-Jupiter planet around a young, pulsating $\gamma$ Doradus star
TOI-159 b is confirmed as the hottest known eccentric hot Jupiter (e = 0.24) with a 13-sigma Keplerian detection around a young gamma Doradus star, including a preliminary low-resolution transmission spectrum.
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Science from the In Situ Exploration of the Proxima Centauri System
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The curved jet in the young star FN Tau
New observations show a curved jet from FN Tau likely caused by disk precession, associated with past outbursts.
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Organic complexity in protostellar disk candidates
ALMA survey detects hot corino chemistry in 3/5 Class 0/I protostars with CH3OH column densities 10^17-10^18 cm^{-2} and rotational temperatures 200-250 K, showing two orders of magnitude variation in COM ratios.
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High-Contrast Imaging of Forming Protoplanets: VLTs, JWST, and the Promise of ELT
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Active moons in our Solar System and beyond -- Io, Europa, Enceladus, Triton, and exomoons
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Giant Planet Formation by Disk Instability
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The formation of planetary systems: physics, populations, and architectures
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Recent advances in modelling of global-scale collisions using smoothed particle hydrodynamics
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Placing the Near-Earth Object Impact Probability in Context
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NCCR PlanetS: Observational and computational characterization of exoplanet atmospheres
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