Articles with "sequence stars" as a keyword



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The nearby spiral density-wave structure of the Galaxy: line-of-sight velocities of the Gaia DR2 main-sequence A, F, G, and K stars

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa357

Abstract: Distances and velocities of $\approx \!2400\, 000$ main-sequence A, F, G, and K stars are collected from the second data release of ESA's Gaia astrometric mission. This material is analysed to find evidence of radial… read more here.

Keywords: galaxy; sequence stars; spiral density; main sequence ... See more keywords

Stars in the local galactic thick disk and halo in gaia EDR3: A catalogue of half a million local main-sequence stars with photometric metallicities

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Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab3671

Abstract: We present a catalogue of 551,214 main-sequence stars in the local (d < 2 kpc) Galactic thick disk and halo, based on a search of stars with large proper motions ($\mu _{\rm tot} > 40.0~\rm mas\,… read more here.

Keywords: thick disk; sequence stars; main sequence; stars local ... See more keywords

Atmospheric parameters and chemical abundances within 100 pc. A sample of G, K, and M main-sequence stars

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Published in 2024 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stae1809

Abstract: To date, we have access to enormous inventories of stellar spectra that allow the extraction of atmospheric parameters and chemical abundances essential in stellar studies. However, characterizing such a large amount of data is complex… read more here.

Keywords: sequence stars; main sequence; sequence; chemical abundances ... See more keywords