A CNN trained on AREPO simulations and synthetic observations reverts edge-on 13CO spectral data to top-down views of the CMZ as a proof-of-concept for supervised reversion.
An atomic and molecular database for analysis of submillimetre line observations
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abstract
Atomic and molecular data for the transitions of a number of astrophysically interesting species are summarized, including energy levels, statistical weights, Einstein A-coefficients and collisional rate coefficients. Available collisional data from quantum chemical calculations and experiments are extrapolated to higher energies. These data, which are made publically available through the WWW at http://www.strw.leidenuniv.nl/~moldata, are essential input for non-LTE line radiative transfer programs. An online version of a computer program for performing statistical equilibrium calculations is also made available as part of the database. Comparisons of calculated emission lines using different sets of collisional rate coefficients are presented. This database should form an important tool in analyzing observations from current and future (sub)millimetre and infrared telescopes.
years
2026 8verdicts
UNVERDICTED 8representative citing papers
Water- and metal-rich atmospheres on compact hot mini-Neptunes lose mass more slowly than H/He cases at high enrichment levels due to enhanced cooling and higher mean molecular weight.
First velocity-resolved [O I] 63/145 um maps of the Orion BN/KL outflow show broad components from dense warm postshock gas, with line ratios matching 30-40 km/s dissociative J-shocks illuminated by external UV, yielding [O I] luminosity 86.5 L_sun and mass-loss rate ~9e-3 M_sun/yr.
3D modeling of L1506C with THEMIS 2 dust model shows evolved grains needed in densest regions, indicating early grain growth in prestellar phase.
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Bayesian inference on ALMA observations with a neural network emulator for chemical models reveals radial and azimuthal variations in gas density, temperature, column density, and cosmic-ray ionization rate across NGC 1068.
APEX 1.3 mm observations of RCW120 S2 detect COMs including CH3OH, CH3CHO, CH3OCHO and CH3OCH3, reveal a radially stratified envelope, and show modest abundance mismatches with hot-core chemical models attributed to unresolved filling factor.
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