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Published in 2018 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201732516
Abstract: The second Gaia data release (Gaia DR2) contains, beyond the astrometry, three-band photometry for 1.38 billion sources. One band is the G band, the other two were obtained by integrating the Gaia prism spectra (BP…
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Keywords:
data release;
gaia data;
million sources;
stellar parameters ... See more keywords
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Published in 2021 at "Publications of the Astronomical Society of the Pacific"
DOI: 10.1088/1538-3873/abe0ac
Abstract: The LAMOST II survey began in the fall of 2018, and LAMOST formally released the obtained medium-resolution spectra (MRS) as well as catalogs of stellar parameters and radial velocities (RV) derived from the MRS in…
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Keywords:
resolution;
stellar parameters;
survey;
mrs ... See more keywords
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Published in 2017 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/17/1/5
Abstract: Main sequence turn-off (MSTO) stars have advantages as indicators of Galactic evolution since their ages can be robustly estimated from atmospheric parameters. Hundreds of thousands of MSTO stars have been selected from the LAMOST Galactic…
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Keywords:
star candidates;
stellar parameters;
main sequence;
sequence turn ... See more keywords
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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa2859
Abstract: We use observations from the APOGEE survey to explore the relationship between stellar parameters and multiplicity. We combine high-resolution repeat spectroscopy for 41,363 dwarf and subgiant stars with abundance measurements from the APOGEE pipeline and…
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Keywords:
multiplicity;
binary fraction;
fraction function;
stellar parameters ... See more keywords
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Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa3540
Abstract: Machine learning has been widely applied to clearly defined problems of astronomy and astrophysics. However, deep learning and its conceptual differences to classical machine learning have been largely overlooked in these fields. The broad hypothesis…
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Keywords:
learn infer;
number;
stellar parameters;
infer stellar ... See more keywords