NLTE calculations indicate strontium is required to explain the onset of the 1μm feature at early times in AT2017gfo, while helium can dominate at later epochs with plausible masses.
Title resolution pending
9 Pith papers cite this work. Polarity classification is still indexing.
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Multi-wavelength data on Aql X-1's 2024 outburst reveal an optical lead of up to 13 days over X-rays and a 12-hour hard-to-soft state transition.
First direct H2 measurements in two CO-rich exocometary belts yield CO/H2 lower limits of >1.35e-3 and >3.09e-5, showing the gas is H2-poor and supporting secondary exocometary origin.
Stellar mass functions in the peaks of the Hyperion protostructure at z~2.5 show a mass-dependent excess relative to the field, with ~10x enhancement at log(M*/M⊙)~11 versus ~3.5x at log(M*/M⊙)~9.5.
Tentative CO detection from WASP-33b eclipse data alone with SPIRou validates stacking ingresses/egresses and shows Doppler eclipse mapping can constrain rotation with additional observations.
Hybrid deep learning models recover large frequency separation, frequency of maximum power, and dipole period spacing from low-resolution Gaia XP spectra with accuracy comparable to moderate-resolution spectroscopy.
ALMA observations of 100 Ophiuchus discs show substructures linked to giant planet formation are common in discs above 10 Earth masses of dust and increase from Class I to Class II stages.
In X-ray selected AGN, those hosting ultra-fast outflows exhibit larger radio extensions and steep spectra matching wind-driven shock models.
New F200W-dropout candidates in CEERS include three massive dusty dwarfs at 2<z<3 and five sources with bimodal redshift PDFs favoring either z>15 or z<1.5 extreme dust.
citing papers explorer
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Aql X-1 from dawn 'til dusk: the early rise, fast state transition and decay of its 2024 outburst
Multi-wavelength data on Aql X-1's 2024 outburst reveal an optical lead of up to 13 days over X-rays and a 12-hour hard-to-soft state transition.
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High CO/H2 ratios supports an exocometary origin for a CO-rich debris disk
First direct H2 measurements in two CO-rich exocometary belts yield CO/H2 lower limits of >1.35e-3 and >3.09e-5, showing the gas is H2-poor and supporting secondary exocometary origin.
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The HST-Hyperion Survey: Environmental Imprints on the Stellar-Mass Function at z~2.5
Stellar mass functions in the peaks of the Hyperion protostructure at z~2.5 show a mass-dependent excess relative to the field, with ~10x enhancement at log(M*/M⊙)~11 versus ~3.5x at log(M*/M⊙)~9.5.
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Ultra High-Redshift or Closer-by, Dust-Obscured Galaxies? Deciphering the Nature of Faint, Previously Missed F200W-Dropouts in CEERS
New F200W-dropout candidates in CEERS include three massive dusty dwarfs at 2<z<3 and five sources with bimodal redshift PDFs favoring either z>15 or z<1.5 extreme dust.