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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004525naa a2200445 4500
001oai:lup.lub.lu.se:456ac1f0-8add-4202-ad7f-00337bd0e499
003SwePub
008230306s2023 | |||||||||||000 ||eng|
0247 a https://lup.lub.lu.se/record/456ac1f0-8add-4202-ad7f-00337bd0e4992 URI
0247 a https://doi.org/10.1051/0004-6361/2022448132 DOI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Hegedus, Violau Eötvös Loránd University4 aut
2451 0a Comparative analysis of atmospheric parameters from high-resolution spectroscopic sky surveys : APOGEE, GALAH, Gaia-ESO
264 c 2023-02-14
264 1b EDP Sciences,c 2023
520 a Context. SDSS-IV APOGEE-2, GALAH, and Gaia-ESO are high-resolution, ground-based, multi-object spectroscopic surveys providing fundamental stellar atmospheric parameters and multiple elemental abundance ratios for hundreds of thousands of stars of the Milky Way. Data from these and other surveys contribute to investigations of the history and evolution of the Galaxy. Aims. We undertake a comparison between the most recent data releases of these surveys to investigate the accuracy and precision of derived parameters by placing the abundances on an absolute scale. We also discuss the correlations in parameter and abundance differences as a function of main parameters. Uncovering the variants provides a basis to continue the efforts of future sky surveys. Methods. Quality samples from the APOGEE-GALAH (15 537 stars), APOGEE-GES (804 stars), and GALAH-GES (441 stars) overlapping catalogs were collected. We investigated the mean variants between the surveys, and linear trends were also investigated. We compared the slope of correlations and mean differences with the reported uncertainties. Results. The average and scatter of vrad, Teff, log g, [M/H], and vmicro, along with numerous species of elemental abundances in the combined catalogs, show that in general there is a good agreement between the surveys. We find large radial velocity scatters ranging from 1.3 km s-1 to 4.4 km s-1 when comparing the three surveys. We observe some weak trends (e.g., in Teff vs. log g for the APOGEE-GES stars) and a clear correlation in the vmicro - vmicro planes in the APOGEE-GALAH common sample. For [α/H], [Ti/H] (APOGEE-GALAH giants), and [Al/H] (APOGEE-GALAH dwarfs) potential strong correlations are discovered as a function of the differences in the main atmospheric parameters, and we also find weak trends for other elements. Conclusions. In general we find good agreement between the three surveys within their respective uncertainties. However, there are certain regimes in which strong variants exist, which we discuss. There are still offsets larger than 0.1 dex in the absolute abundance scales.
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a Galaxies: general
653 a Galaxy: abundances
653 a Galaxy: evolution
653 a Galaxy: fundamental parameters
653 a Techniques: radial velocities
653 a Techniques: spectroscopic
7001 a Mészáros, Szabolcsu Eötvös Loránd University4 aut
7001 a Jofré, Paulau Diego Portales University4 aut
7001 a Stringfellow, Guy S.u University of Colorado4 aut
7001 a Feuillet, Dianeu Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science4 aut0 (Swepub:lu)di7483fe
7001 a García-Hernández, Domingo Aníbalu Instituto de Astrofísica de Canarias4 aut
7001 a Nitschelm, Christianu University of Antofagasta4 aut
7001 a Zamora, Olgau Instituto de Astrofísica de Canarias4 aut
7102 a Eötvös Loránd Universityb Diego Portales University4 org
7730 t Astronomy and Astrophysicsd : EDP Sciencesg 670q 670x 0004-6361x 1432-0746
8564 u http://dx.doi.org/10.1051/0004-6361/202244813x freey FULLTEXT
8564 8u https://lup.lub.lu.se/record/456ac1f0-8add-4202-ad7f-00337bd0e499
8564 8u https://doi.org/10.1051/0004-6361/202244813

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