2021年12月14日 · The Javalambre Photometric Local Universe Survey (J-PLUS) has obtained precise photometry in twelve specially designed filters for large numbers of Galactic stars. Deriving their precise stellar atmospheric parameters and individual elemental abundances is crucial for studies of Galactic structure, and the assembly history and chemical ...

The Javalambre-Photometric Local Universe Survey (J-PLUS) is an ongoing 12-band photometric optical survey, observing thou- sands of square degrees of the Northern hemisphere from the dedicated JAST/T80 telescope at the Observatorio Astrofísico de

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2025年2月9日 · The J-PLUS data provides reliable spatially resolved H$\alpha$+[NII] emission maps for nearby galaxies. We provide the J-PLUS DR3 catalog for the $158$ galaxies with IFU data, including emission maps, SEDs of star-forming clumps, and radial profiles.

2022年8月4日 · The Javalambre Photometric Local Universe Survey (J-PLUS) is an observational campaign that aims to obtain photometry in 12 bands. Owing to its characteristics, J-PLUS data have become a valuable resource for studies of stars.

The Javalambre Photometric Local Universe Survey (J-PLUS) has obtained precise photometry in 12 specially designed filters for large numbers of Galactic stars. Deriving their precise stellar atmospheric parameters and individual elemental abundances

Deriving their precise stellar atmospheric parameters and individual elemental abundances is crucial for studies of Galactic structure and the assembly history and chemical evolution of our Galaxy. Aims: Our goal is to estimate not only stellar parameters (effective temperature, T eff , surface gravity, log g, and metallicity, [Fe/H]), but also ...

2022年3月25日 · Thanks to the specially designed J-PLUS narrow-band filters, CSNet can not only determine the basic stellar atmospheric parameters (effective temperature, T eff, surface gravity, log g, and metallicity, [Fe/H]), but also deliver [α/Fe] and elemental abundances including [C/Fe], [N/Fe], [Mg/Fe], and [Ca/Fe].

By combining recalibrated photometric data from J-PLUS DR1, Gaia DR2, and spectroscopic labels from the Large sky Area Multi-Object fiber Spectroscopic Telescope, we designed and trained a set of cost-sensitive neural networks, the CSNet, to learn the nonlinear mapping from stellar colours to their labels. Special attention was paid to the ...

2022年3月25日 · The Javalambre Photometric Local Universe Survey (J-PLUS) has obtained precise photometry in 12 specially designed filters for large numbers of Galactic stars. Deriving their precise stellar atmospheric parameters and individual elemental abundances is crucial for studies of Galactic structure and the assembly history and chemical evolution of ...