J/A+A/634/A136ivo://CDS.VizieR/J/A+A/634/A136doi:10.26093/cds/vizier.36340136CDSCosta Silva A.R.Delgado Mena E.Tsantaki M.2020-02-26T05:34:40Z2020-02-26T06:33:33ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frmultiple-starschemically-peculiar-starsElemental abundances are of prime importance to help us reconstruct the origin and evolution of stars and galaxies in our Universe. Sulfur abundances have not been as heavily studied as other elements, so some details regarding its behaviour are still unclear. We aim to investigate [S/Fe] ratios in stars of the solar neighbourhood in order to analyse the chemical evolution of sulfur and probe for possible differences in abundances of planet host and non-planet host stars. We use the code MOOG to perform spectral synthesis and derive v*sin(i) values and [S/Fe] ratios for 719 FGK stars with high-resolution (R~115000) and high-quality spectra from the HARPS-GTO program. We find the best fit and corresponding parameter values by performing chi-square minimisation of the deviation between synthetic profiles and observational spectra. Our results reveal that sulfur behaves as a typical alpha-element, with low abundances in young thin disk stars and high abundances in old thick disk stars, following what was expected from our understanding of the Galactic chemical evolution (GCE). Nevertheless, further studies into the abundances of sulfur in very metal-poor stars are required as our sample only derived sulfur abundances to stars with metallicity as low as [Fe/H]=-1.13dex. High-alpha metal rich stars are more enhanced in sulfur compared to their thin disk counterparts at the same metallicity. We compare our results to GCE models from other authors in the [S/Fe] vs. [Fe/H] plane. The [S/Fe]-age relationship is a good proxy for time, just like it is the case with other alpha-elements. We report no differences in the abundances of sulfur between stars with and without planetary companions in the metallicity range [Fe/H]>=-0.3dex.2020A&A...634A.136Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/634/A136CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/545/A32 : Chemical abundances of 1111 FGK stars (Adibekyan+, 2012)J/A+A/606/A94 : Chemical abundances of 1059 FGK stars (Delgado Mena+, 2017)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/634/A136https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/634/A136http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/634/A136https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/634/A136https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/634/A136http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/634/A136GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/634/A136/table3 (Stellar parameters, abundances of sulfur, errors, number of lines, planet companions, S/N and Galactic population)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/634/A136/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/634/A136/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/634/A136/table3?GETtext/xml+votable180.050000true230.6528958-10.66112610.0055555555555555566/8296 12424 12644 16408 16518 16543 16603 16639 16652 16841 16874 16883 16890 16931 16986 17035 17047 17177 17187 17206 17209 17218 17249 17266 17341 17358 17374 17419 17425 17435 17453 17496 17529 17540 17587 17641 17657 17730 17744 17768 17804 17944 17954 17970 17993 18005 18067 18466 18548 18614-18615 18637 18711 18772 18785 18792 18835 18963 19003 19072 19108 19217 19466 20495 20557 20582 20593 20621 20638 20661 20712 20746 21066 21080 21110 21117 21121 21194 21211 21326 21400 21412 21477 21484 21516 21550 21600 21696 21715 21774 21779 21809 21838 21906 21989 22036 22118 22159 22579 22590 22608 22613 22619 22708 22724 22746 22760 22837 23061 23084 23096-23097 23123 23138 23177 23201 24695 24718 24729 24759 24769 24809 24853 24876 24924-24925 25078 25102 25136 25225 25233 25258 25279 25349 25424 25512 25527 25538 25567 25578 25584 25593 25622 25636 25669 25756 25826 25862 25880 25889 25906 25939 25981 26142 26183 26242 26256 26305 26626 26636 26652 26655 26680 26768 26796 26812 26828 26888 26901 26906 27018 27030 27040 27255 27661 27741 28703 28719 28763 28854 28874 28887 28894 28919 28961 29146 29236 29238 29289 29349 29410 29513 29515 29521 29598 29675 29688 29833 29842 29900 29928 29974 30233 30310 30720 30789 30825 30848 30878 30890 30919 30939 30943 30951 31015 31027 31029 31380 31503 31650 31813 32787 32848 32912 32930 32986 32998 33063 33082 33086 33091 33122 33160 33179 33182 33219 33273 33357 33361 33400 33418 33421 33430 33456 33510 33552 33555 33590 33608 33630 33649 33705 33709 33717 33871 33879 33890 33923 33945 33949 33974 34064 34102 34119 34128 34164 34173 34199 34204 34290 34308 34336 34350 34372 34442 34446 34497 34515 34530 34564 34638 34674 34695 34744 34807 34817 34856 34864 34905 34947 34983 35036 35121 35152 35174 35214 35230 35339 35347 35362 35392 35415 35440 35468 35502 35533 35590 35733 35779 35784 35790 35831 35858 35885 35896 35928 35954 35966 35968-35969 35985 35994 36014 36019 36089 36115 36285 36288 36453 36540 36590 36635 36693 36697 36723 36784 36800 36813 36926 36971 37049 37074 37094 37130 37134 37208 37222 37232 37252 37306 37383 37397 37419 37422 37449 37501 37573 37583 37595 37660 37668 37679 37789 37807-37808 37831-37832 37944 37954-37955 37995 38055 38099 38138 38162 38229 38238 38279 38283 38288 38311 38339 38349 38378 38414 38433-38434 38443 38462 38545 38562 38566 38605 38698 38728 38734 38738 38742 38788 38792 38807 38834 38857 38905 38936 38955 38960 38975 38986 38998 39006 39030 39034 39074 39110 39219 39257 39282-39283 39298 39314 39321 39364 39377 39422 39461 39576 39584 39600 39733 39767 39854 39859 39877 39888 39915 39984 40019 40066 40078 40101 40105 40197 40317 40442 40453 40480 40514 40590 40662 40686-40687 40692 40722 40749 40802 40921 40932 40938 40965 40970 40985 40988 41023 41058 41094 41107 41143 41167 41204 41212 41255 41459 41463 41521 41564 41590-41591 41607 41611-41612 41671 41723-41724 41752 41861 41912-41913 41941 41949 41954 41969 42003 42006 42146 42157 42166 42171 42179 42200 42221 42248 42281 42326 42386 42448 42460 42479 42486 42501 42510 42602 42632 42700 42759-42760 42828 42845 42860 42891-42892 42906 42918 42928 42934 43001 43012 43068 43171 43177 43228 43258 43280 43290 43306 43315 43345 43544 43567 43577 43612 43639 43641 43649 43670 43672 43680 43724 43760 43771 43813 43818 43911 43928 43944 43977 44054 44115 44131 44150 44243 44260 44340 44359 44398 44600 44608 44637-44638 44683 44740 44792 44879 44887 44910 44951 45034 45121 45143 45168 45182 45228 45265 45299 45309 45337 45378 45420 45430 45446 45457 45502 45511 45627 45640-45641 45656 45668-45669 45682 45687 45721 45752 45758 45837 45865 45892 45907 45924 45948 46053 46076 46080 46084 46111-46112 46135 46170-46172 46193 46234 46247-46248 46287 46297 46306 46333 46355 46494 46511 46526 46558-46559 46639-46640 46664 46681 46685 46713 46734 46768 46776 46800 46805 46829 46874 46944 46967 47020 47022 47045 47073 47137 47157 47253 47308 47364 47387 47407 47590 47600 47629 47647 47655 47712 47740 47780 47795 47858 47903 47930 48014 48022 48105 48172 48177 48182 48260 48335 48345 48350 48361-48362 48402 48490 48519 48530 48545 48581 48583 48607 48652 48664 48679 48705 48707 48731 48821 48865 48870 48943 48980 49028 49036 49042 49060 49097 49114 49128https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/634/A136?format=asciidefaultJ/A+A/634/A136/table3Stellar parameters, abundances of sulfur, errors, number of lines, planet companions, S/N and Galactic populationSimbadNameSimbad column added by the CDSmeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarStar's identifiermeta.id;meta.maincharTeffEffective temperatureKphys.temperature.effectivefloatloggSpectroscopic surface gravitylog(cm.s**-2)phys.gravityfloat[Fe/H]Iron abundancephys.abund.FefloatAge? Stellar ageGyrtime.agefloatnullablee_Age? Error of stellar ageGyrstat.error;time.agefloatnullablevsiniRotational velocitykm/sphys.veloc.rotatfloatvmacMacroturbulence velocitykm/sphys.velocfloat[S/Fe]Abundance of [S/Fe] (Z=16)log(Sun)phys.abundfloate_[S/Fe]Error of [S/Fe]log(Sun)stat.error;phys.abundfloato_[S/Fe]Number of SI lines used (when only one, indicates which one)meta.numbercharPlanetPlanet companion (jup, nept or none)meta.codecharPopGalactic population (1)src.classcharS/NSignal to noise ratiostat.snrfloat_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.main