Ages, masses & kinematics of GALAH MS turnoff stars J/ApJ/929/124 ivo://CDS.VizieR/J/ApJ/929/124 doi:10.26093/cds/vizier.19290124 CDS Chen X. Ge Z. Chen Y. Bi S. Yu J. Yang W. Ferguson J.W. Wu Y.,Li Y. 2024-11-06T20:24:46Z 2024-04-12T13:48:54Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr chemical-abundances stellar-masses stellar-ages surveys milky-way-galaxy astronomical-models visible-astronomy Main-sequence turnoff (MSTO) stars are good tracers of Galactic populations since their ages can be reliably estimated from atmospheric parameters. Based on the GALAH survey, we use the Yale rotation evolution code to determine the ages of 2926 MSTO stars with a mean age uncertainty of ~10% considering the variation of C and O abundances. The ages of CO-poor stars are systematically affected by ~10% due to the C and O abundances, globally shifting to ~0.5Gyr older compared to the results using solar metal mixture. Of the stars with [Fe/H]~0.3-0.5 or [O/Fe]<=-0.25, many have fractional age differences of >=20%, and even reach up to 36%. The age-metallicity relation appears to possibly indicate the existence of two distinct sequences: a young sequence of stars with ages mostly <7Gyr, and a relatively older sequence of stars with ages mostly >7Gyr, overlapping at 5Gyr<=age<=7Gyr. Moreover, the trends of abundances-to-age ratios show two corresponding sequences, especially in the [O/Fe]-age plane. We also find that [Y/Mg] is a good chemical clock in disk populations. The young sequence and the old sequence cannot be separated based on chemistry or kinematics; therefore, stellar age is an important parameter to distinguish these two sequences in our sample. 2022ApJ...929..124C https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/929/124 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003) I/350 : Gaia EDR3 (Gaia Collaboration, 2020) I/352 : Distances to 1.47 billion stars in Gaia EDR3 (Bailer-Jones+, 2021) J/A+A/433/185 : Abundance analysis of 102 F and G dwarfs (Bensby+, 2005) J/MNRAS/367/1329 : Elemental abundances for 176 stars (Reddy+, 2006) J/A+A/545/A32 : Chemical abundances of 1111 FGK stars (Adibekyan+, 2012) J/A+A/562/A71 : Abundances of solar neighbourhood dwarfs (Bensby+, 2014) J/A+A/568/A25 : C and O abundances in stellar populations (Nissen+, 2014) J/A+A/576/A89 : O abundances from HARPS in F-G stars (Bertran de Lis+, 2015) J/A+A/608/A112 : Kepler LEGACY stars high-precision abund. (Nissen+, 2017) J/MNRAS/475/5487 : Stellar properties of KIC stars (Silva Aguirre+, 2018) J/A+A/630/A104 : Disk and halo stars C, O and Fe abundances (Amarsi+, 2019) J/A+A/624/A19 : GALAH chemodynamical analyse with TGAS (Buder+, 2019) J/A+A/624/A78 : Masses & ages of 1059 HARPS-GTO stars (Delgado Mena+, 2019) J/A+A/621/A112 : Carbon and oxygen in 107 dwarf stars (Pavlenko+, 2019) J/A+A/639/A127 : Age-chemical-clocks-metallicity relations (Casali+, 2020) J/ApJ/889/157 : Ages of FGK stars considering C & O abundances (Chen+, 2020) J/A+A/640/A81 : Abundances of 72 solar-type stars (Nissen+, 2020) J/MNRAS/506/150 : The GALAH+ Survey DR3 (Buder+, 2021) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/929/124 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/929/124 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/929/124 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/929/124 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/929/124 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/929/124 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJ/929/124/table1 (Observational atmospheric parameters, [C/H], [O/H] and typical errors for temperature, logg, and [Fe/H] of the stars) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/929/124/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/929/124/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/929/124/table1? GET text/xml+votable 180.0 50000 true 0.1039167 -57.0387222 0.005555555555555556 5/4612 4642 5187 5783 7633 7875 8267 8276 8278-8280 8283-8284 8295 8304 8306-8307 8310 8457 8461 8487 8715 9351 9625 9712 9736 9762 9800 11484 12016 12236 6/270 289 300 303 307 310 314 353-354 391 407-408 437 461 463 470 1032 1041 4253 4298 4335 4344 4346-4347 4349 4520-4522 4623 4627-4628 4630 4657 4659-4660 4662-4663 4665 4668 4683 4687-4688 4692 4698-4699 4714 4720 4726 4732 4874 4896 12458 16386 16490 16576 16631 16637 16802 16808 16810 17024 17026 17032 17308 17383 17389 17391 18086 18115-18116 18118 18121 18128 18139 18160 18224 18226 18333-18335 18345-18346 18349 18433 18435-18436 18453 18455 18457 18459 18472 18477 18479-18481 18484 18491 18496 18498 18582 18599 18605 18610 18612 18614-18615 18620-18621 18627 18633 18638 18643 18648 18658 18664 18752-18754 18760-18761 18779 18785 18800-18801 18960-18961 18963 18974 19034 19047 19071 19076 19190-19191 19251 19335 19501 19506 19512 19693 19695 20487 20493 20496 20498 20504 20539 20542-20543 20564 20586 20594-20595 20600 20625 20629 20672 20681-20682 20902-20903 20908-20909 20914 20920 21074 21085 21108 21133 21138 21144-21145 21585-21587 21590 21592-21593 21619 21625 21717 21773 21797 21837 21839 21922 21926 21929 21931 22056-22057 22076-22078 22164-22165 22167 22208 22285-22287 22296 22310-22311 22317 22328 22420 22424 22593 22617 22724 22726 22744-22745 22754 22760 22772 22839 22886 22889 22892 22894-22895 22904-22905 22907 22944 22946 22981 22992-22993 22995 23013 23126-23127 23129 23296 23324 23345 23347-23348 23351 23355 23394 23441 23486 23514 23518 23524 23526 23537 23540 23547 23571 23574 23606 23612 23704 23736 24114 24120 24170 24222 24240 24243 24256 24577 24581 24606-24607 24614 24625 24627-24628 24630 24634 24658-24659 24665 24689 24692 24694-24695 24704 24721 24758 24766 24778 25113 25115-25116 25118 25125-25126 25152 25154 25225 25258 25427 25430 25433 25446 25548-25549 25551 25560 25562 25576 25579 25587 25606 25609 25653 25660 25662-25663 25675 25701 25708 25710 25712 25719 25727 26165 26624-26625 26901-26903 26946 26956 26958 26972 26990-26992 26995 27077 27091 27097 27171 27661-27663 27680 27693 27704 27706 27780-27781 27786 27808-27809 28752 28757 28793 28798 28837 28842-28843 28848 28909 28929 28933 28943-28944 28946-28947 28951-28952 28978 28993 28995 29004-29005 29009 29011-29014 29017 29023 29029 29042 29044-29045 29057 29192 29194 29209 29211 29222 29224 29226 29259 29312 29334 29341 29353 29696 29698 29704 29728-29729 29755 29758 29963 29985 29987-29988 30064 30103 30109 30115 30135-30136 30141 30146-30147 30152 30178-30179 30184-30185 30530 30544-30545 30547 30550 30727-30728 30730-30731 30753 30817 31184-31185 31187 31198-31199 31220 31233 31494 31539 31544 31788 31790 31846 32877 32882 32911 32916 32926 32948-32949 32973 33027-33029 33032 33034-33035 33037 33040 33055 33057 33059 33063-33065 33067 33072 33077 33080-33082 33084-33085 33087 33089-33091 33093 33102 33108-33109 33111 33131 33140-33142 33144-33145 33148-33149 33156-33157 33165 33168-33169 33171-33174 33176-33177 33179 33201 33203 33205 33208-33210 33220 33223 33235 33238 33244 33281 33294 33300 33303 33313 33315-33316 33319 33321 33325 33328 33332-33334 33347 33366 33376 33378 33406 33421 33427 33436-33437 33439 33445 33460 33462 33464 33472 33474 33576 33579 33664 33682 33688-33690 33793-33794 33798-33800 33802 33804-33805 33808-33809 33811-33812 33814-33815 33818-33819 33822 33824-33825 33827 33832 33834-33835 33837-33838 33840-33841 33843 33849-33851 33853 33858-33859 33862 33867 33869-33872 33877 33880-33881 33892 33909-33911 33920-33921 33923-33924 33932 33936 33945 33947 33993 33995-33996 34080-34082 34203 34225 34238 34249 34252 34259 34272-34273 34494-34495 34538 34663 34674 34677-34678 34686 34835 34874 34952-34953 34976 35576 35793 35796 35815 35821 35823 35860-35861 35904 36363 36366-36367 36385 36388 36490-36491 36927 37039 37084 37119 37147 37156-37157 37163-37164 37166 37168 37229 37251-37254 37260-37261 37282-37283 37288-37290 37294 37381-37383 37385 37387 37389-37390 37392-37393 37395-37396 37398 37400-37401 37408-37409 37414 37419 37423-37425 37428 37430 37436 37466 37483 37493 37507 37510 37512 37515-37516 37520 37525-37526 37532-37534 37536-37537 37539 37542 37544-37545 37547 37556 37564 37566-37567 37569 37571 37576 37578-37579 37594 37597 37599-37602 37604-37605 37608 37610 37615 37622 37626 37644 37646 37665 37768 37772 38015 38024 38103 38109 38125 38129 38131 38136 38138-38139 38142 38150 38157 38160 38162 38164-38165 38168 38176 38179 38181-38183 38185-38189 38192 38208 38243 38252 38255 38274 38280-38281 38293 38295-38296 38298 38303 38320 38325 38346 38356-38357 38368 38373 38375 38382 38394 38479 38482 38484 38488 38490-38491 38509 38512 38514 38520 38593 38595-38598 38614 38617 38624 38630 38632-38633 38635-38636 38638 38641 38648 38660 38688-38689 38691 38696-38697 38737-38738 38747-38748 38787 38791 38796-38798 38801-38802 38804 38808 38831 38842 38852 38854 38856-38857 38916-38917 38919 38923 38926 38931-38933 38935 38937-38938 38942-38943 38957-38958 38960-38961 38963 38966 38968 38971 38974 38976-38978 39003 39016 39024 39041-39043 39045 39052 39054 39056-39057 39059 39066 39072 39075-39077 39080-39081 39086 39127 39135 39428 39507 39535 39553 39603 39619 39637 39667 39676 39810-39811 39816 39819 39822 39841 39843-39844 39846 39849 39965 39991 40002-40003 40034 40040 40047 40058 40085 40093 40117 40132-40133 40135 40144 40146 40160 40236 40247 40253 40297-40298 40329 40349 40387 40513 40522-40523 40551 40553 40555-40556 40558 40654-40655 40724 40726-40727 40778 40832 40834 40888 41038 41048 41055 41063 41070 41084-41085 41135 41142-41143 41150 41158-41159 41167 41170 41173 41183 41192 41226 41237-41238 41259 41263 41274 41279 41285 41296 41314 41332 41338 41346 41348 41353 41355 41368 41370-41371 41409 41412 41429 41479 41964 41973 41977 41981 41983 41985-41986 42014 42025 42048 42061 42067 42069-42071 42073 42075 42077-42079 42096 42177 42248 42257 42260 42326 42495 42648-42649 42658-42659 42662 42668-42669 42671 42679 42682-42684 42691 42696-42697 42836-42837 42862 42868 42870 42878-42879 42896 42907 42912 42935 42939 42941-42943 42946-42949 42952 42964-42965 42978 42984 42986 43003 43127 43131 43133 43188-43189 43191 43194 43197 43199 43206 43230 43232 43243 43252 43254-43255 43257 43260-43261 43283 43290-43291 43301 43307-43308 43311-43312 43314-43315 43321 43345-43346 43348 43350-43351 43367 43376-43377 43380 43383 43394 43396-43397 43426 43472 43475 43485-43486 43496 43503 43528-43529 43531 43537 43539 43544-43545 43550 43553-43554 43560 43569 43575 43582 43589 43591-43592 43600 43602 43611 43618 43626 43636 43638 43640 43642 43648 43669 43679 43683 43689 43695-43698 43704 43706 43712 43721-43722 43727 43743 43745 43747 43749 43787 43795 43799-43800 43826 43840 43845 43905 43908-43909 43912-43913 43934-43935 43955-43956 43961 43973 44036 44044 44047 44095 44198 44201 44204 44294 44296 44298 44300-44301 44305 44307-44308 44310-44311 44314 44317 44319 44322-44323 44332 44334-44335 44349 44351 44354 44356 44360 44362 44375 44385 44387-44388 44390 44392 44401 44403-44404 44406-44407 44413 44416-44417 44419 44430-44431 44433 44435 44446-44447 44450-44451 44454 44456 44463 44465 44469 44487 44490 44495 44506 44512 44517-44518 44521 44551 44554-44555 44600-44602 44615 44636 44677 44679 44688-44689 44728 44805 44816 45137 45243 45339-45341 45350-45351 45353-45354 45356 45362 45379 45410 45421-45422 45426 45435 45450 45465 45501 45512-45513 45520-45521 45524 45559 45564-45566 45659-45660 45662 45695 45706 45723 45728 45730-45731 45746 45901 45903 45905 45914-45915 45925 45950 45961 45990 46020 46053 46055 46059 46146 46148 46150 46160 46263 46268-46269 46282 46603 46742 46748 47019 47022 47063 47144 47146 47161 47166 47211 47239 47245 47247 47258 47280 47283 47296-47298 47319 47325 47337 47360 47410 47412 47417 47425 47427 47432 47442-47443 47448 47459 47466 47516 47570 47584 47587 47599 47617 47619 47638-47639 47644-47645 47665 47675 47680-47682 47694 47713 47720-47721 47730 47744 47760-47761 47775 47777-47779 47785 47801-47802 47806 47812 47814-47815 47820 47829 47834 47852-47853 47863-47864 48000 48029-48031 48055-48056 48059 48068 48072 48078-48079 48089 48096-48098 48101-48103 48110 48126 48163 48169 48173 48178 48200 48210 48227 48233 48241 48243 48245 48256 48267 48295 48301 48312 48384-48385 48423 48434 48440 48500-48501 48605 48607 48950 48952-48953 48972 49049 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/929/124?format=ascii Optical default J/ApJ/929/124/table1 Observational atmospheric parameters, [C/H], [O/H] and typical errors for temperature, logg, and [Fe/H] of the stars Simbad Simbad column added by the CDS meta.ref.url char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int P Display the fundamental and kinematic parameters determined in this work (link to Table 6) meta.ref.url char 2MASS GALAH DR3 star identifier (HHMMSSss+DDMMSSs; J2000) (1) meta.id;meta.main char primary Teff [5600/6875]? Surface effective temperature (1) K phys.temperature.effective float nullable e_Teff [69/79]? Uncertainty in Teff (1) K stat.error;phys.temperature.effective float nullable logg [3.8/4.3]? log, Surface gravity (1) log(cm.s**-2) phys.gravity float nullable e_logg [0.06/0.3]? Uncertainty in logg (1) log(cm.s**-2) stat.error float nullable FeH [-0.6/0.6] Metallicity, [Fe/H] (1) phys.abund.Z double e_FeH [0.04/0.05]? Uncertainty in Fe/H (1) stat.error float nullable [C/H] [-0.5/0.6] Carbon abundance (1) phys.abund double [O/H] [-1.2/0.7]? Oxygen abundance (1) phys.abund double nullable [a/Fe] [-0.7/0.6] {alpha} element abundance, relative to Fe (1) phys.abund double _RA Positions from 2MASS identifiers (right ascension part) deg pos.eq.ra;meta.main _DE Positions from 2MASS identifiers (declination part) deg pos.eq.dec;meta.main
J/ApJ/929/124/table6 Fundamental and kinematic parameters for the whole determined in this work; updated version 2MASS GALAH DR3 star identifier as in Table 1 (1) meta.id;meta.main char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Mstar [0.8/1.5] Stellar mass, derived with CO-mixtures solMass phys.mass float e_Mstar [-0.1/0] Lower uncertainty for Mstar solMass stat.error double E_Mstar [0/0.1] Upper uncertainty for Mstar solMass stat.error;stat.max float AgeCO [1.2/13.5] Age, derived with CO-mixtures Gyr time.age float e_AgeCO [-1.4/-0.007] Lower uncertainty for AgeCO Gyr stat.error float E_AgeCO [0.006/2.1] Upper uncertainty for AgeCO Gyr stat.error;stat.max float Age [1.2/13.5] Age, derived with GS98 solar-mixture or alpha-enhanced mixtures Gyr time.age float e_Age [-1.5/-0.002] Lower uncertainty for Age Gyr stat.error;time.age float E_Age [0.006/2.1] Upper uncertainty for Age Gyr stat.error;stat.max float U [-141/105]? LSR U space motion km/s phys.veloc;pos.cartesian.x;pos.lsr double nullable V [-132/51]? LSR V space motion km/s phys.veloc;pos.cartesian.y;pos.lsr double nullable W [-80/69]? LSR W space motion km/s phys.veloc;pos.cartesian.z;pos.lsr double nullable