Nearby main-sequence stars abundances J/MNRAS/533/395 ivo://CDS.VizieR/J/MNRAS/533/395 doi:10.26093/cds/vizier.75330395 CDS Lopez-Valdivia R. Adame L. Zagala Lagunas E. Roman-Zuniga C.G.,Hernandez J. Sanchez E. Fernandez-Trincado J.G. Carigi L. Kounkel M.,Lane R.R. Stassun K.G. Villanova S. 2026-03-03T20:03:49Z 2024-08-20T09:54:53Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr dwarf-stars chemical-abundances infrared-astronomy 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 and requires a good understanding of the studied object to ensure reliable and homogeneous results. In this study, we present a methodology to measure homogeneously the basic atmospheric parameters and detailed chemical abundances of over 1600 thin disk main-sequence stars in the 100pc solar neighborhood, using APOGEE-2 infrared spectra. We employed the code tonalli to determine the atmospheric parameters using a prior on log g. The log g prior in tonalli implies an understanding of the treated population and helps to find physically coherent answers. Our atmospheric parameters agree within the typical uncertainties (100K in Teff, 0.15dex in logg and [M/H]) with previous estimations of ASPCAP and Gaia DR3. We use our temperatures to determine a new infrared color-temperature sequence, in good agreement with previous works, that can be used for any main-sequence star. Additionally, we used the BACCHUS code to determine the abundances of Mg, Al, Si, Ca, and Fe in our sample. The five elements (Mg, Al, Si, Ca, Fe) studied have an abundance distribution centered around slightly sub-solar values, in agreement with previous results for the solar neighborhood. The over 1600 main-sequence stars' atmospheric parameters and chemical abundances presented here are useful in follow-up studies of the solar neighborhood or as a training set for data-driven methods. 2024MNRAS.533..395L https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/533/395 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/533/395 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/533/395 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/533/395 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/533/395 https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/533/395 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/533/395 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/MNRAS/533/395/table5 (Stellar parameters and chemical abundances determined in this work) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/533/395/table5? https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/533/395/table5? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/533/395/table5? 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Infrared default J/MNRAS/533/395/table5 Stellar parameters and chemical abundances determined in this work recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Name 2MASS identification number meta.id;meta.main char RAJ2000 Right ascension (J2000) deg pos.eq.ra;meta.main DEJ2000 Declination (J2000) deg pos.eq.dec;meta.main Teff25 Effective temperature at 25 percentile K phys.temperature.effective int Teff50 Effective temperature at 50 percentile K phys.temperature.effective int Teff75 Effective temperature at 75 percentile K phys.temperature.effective int logg25 Surface gravity at 25 percentile log(cm.s**-2) phys.gravity float logg50 Surface gravity at 50 percentile log(cm.s**-2) phys.gravity float logg75 Surface gravity at 75 percentile log(cm.s**-2) phys.gravity float [M/H]25 Overall metallicity at 25 percentile phys.abund.Fe float [M/H]50 Overall metallicity at 50 percentile phys.abund.Fe float [M/H]75 Overall metallicity at 75 percentile phys.abund.Fe float Simbad Simbad column added by the CDS meta.ref.url char Mg ? Mg abundance phys.abund float nullable a25 alpha elements enhancement at 25 percentile phys.abund float a50 alpha elements enhancement at 50 percentile phys.abund float a75 alpha elements enhancement at 75 percentile phys.abund float v25 Projected rotational velocity at 25 percentile km/s phys.veloc.rotat float v50 Projected rotational velocity at 50 percentile km/s phys.veloc.rotat float v75 Projected rotational velocity at 75 percentile km/s phys.veloc.rotat float e_Mg ? Error on Mg abundance stat.error float nullable o_Mg ? Number of lines used in abundance determination meta.number float nullable Al ? Al abundance phys.abund float nullable e_Al ? Error on Al abundance stat.error float nullable o_Al ? Number of lines used in abundance determination meta.number float nullable Si ? Si abundance phys.abund float nullable e_Si ? Error on Si abundance stat.error float nullable o_Si ? Number of lines used in abundance determination meta.number float nullable Ca ? Ca abundance phys.abund float nullable e_Ca ? Error on Ca abundance stat.error float nullable o_Ca ? Number of lines used in abundance determination meta.number float nullable Fe ? Fe abundance phys.abund.Fe float nullable e_Fe ? Error on Fe abundance stat.error;phys.abund.Fe float nullable o_Fe ? Number of lines used in abundance determination meta.number float nullable