Age-metallicity relation in solar neighbourhood J/A+A/377/911 ivo://CDS.VizieR/J/A+A/377/911 doi:10.26093/cds/vizier.33770911 CDS Feltzing S. Holmberg J. Hurley J.R. 2018-01-10T11:48:11Z 2001-10-20T20:58:16Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr dwarf-stars late-type-stars chemical-abundances stellar-ages stellar-masses effective-temperature We derive stellar ages, from evolutionary tracks, and metallicities, from Stroemgren photometry, for a sample of 5828 dwarf and sub-dwarf stars from the Hipparcos (Cat. <I/239>) Catalogue. This stellar disk sample is used to investigate the age-metallicity diagram in the solar neighbourhood. Such diagrams are often used to derive a so called age-metallicity relation. Because of the size of our sample, we are able to quantify the impact on such diagrams, and derived relations, due to different selection effects. Some of these effects are of a more subtle sort, giving rise to erroneous conclusions. In particular we show that [1] the age-metallicity diagram is well populated at all ages and especially that old, metal-rich stars do exist, [2] the scatter in metallicity at any given age is larger than the observational errors, [3] the exclusion of cooler dwarf stars from an age-metallicity sample preferentially excludes old, metal-rich stars, depleting the upper right-hand corner of the age-metallicity diagram, [4] the distance dependence found in the Edvardsson et al. (1993, Cat. <J/A+A/275/101>) sample by Garnett & Kobulnicky (2000ApJ...532.1192G) is an expected artifact due to the construction of the original sample. We conclude that, although some of it can be attributed to stellar migration in the galactic disk, a large part of the observed scatter is intrinsic to the formation processes of stars. 2001A&A...377..911F https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/377/911 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to I/239 : The Hipparcos and Tycho Catalogues (ESA 1997) J/A+A/275/101 : Chemical evolution of the galactic disk I. (Edvardsson+ 1993) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/377/911 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/377/911 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/377/911 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/377/911 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/377/911 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/377/911 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/377/911/table1 (Stellar parameters derived in this work) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/377/911/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/377/911/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/377/911/table1? 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28355-28356 28360 28374 28393 28396-28397 28409 28422 28435 28437 28443 28451 28453 28457 28464 28471 28479 28481 28489-28490 28497 28509-28511 28525 28527 28530 28533 28538 28540 28544 28549 28560 28580 28592 28595 28600 28603 28608-28609 28611 28614-28615 28625-28628 28643 28652 28664 28670 28675 28680 28682 28685-28686 28697 28703 28728 28755 28760 28763-28764 28771 28792 28824 28847 28849 28858 28868 28871 28875 28909-28910 28915 28932 28938-28939 28942 28949 28959-28960 28988 29016 29031 29047 29127 29136 29152 29196 29199 29207 29210 29215 29219 29238 29241 29255 29274 29292-29293 29298 29342 29370 29375 29388 29400 29407 29413 29430 29434 29483 29497 29501 29541 29546 29564 29566 29588 29613 29616 29634 29640 29647 29650 29680-29681 29684 29705 29720-29721 29756 29774 29818 29869 29872 29913 29921 29938 29940 29950 29974 29977 29980 30017 30036 30038 30041 30048 30053 30059 30078 30096 30108 30112 30137 30154 30160 30175 30184 30190 30204 30218 30223 30230 30233 30251 30255 30278 30289 30314 30319 30353 30355 30363 30365 30402 30429 30437 30453 30459 30462-30463 30481 30488 30492 30503-30504 30508 30513 30522 30526 30532 30542 30544 30555 30590-30591 30614 30621 30641 30644 30658 30665-30666 30670 30672 30679 30691 30703 30706 30716 30719-30721 30733 30738-30739 30742 30747 30754 30762 30765 30773 30779 30788 30825-30826 30835-30836 30848 30857 30861 30866-30867 30888 30890 30903-30904 30906 30910 30919 30929-30930 30933 30954 30965 30981 30994-30995 31003 31010 31012 31015 31037-31038 31043 31048 31067 31072 31113 31115 31125 31172 31181 31201 31204-31205 31220 31241 31253 31258 31265 31270 31273 31277 31279 31281 31286 31288 31293 31298 31303 31309 31316 31344 31346 31349 31356 31358 31365 31368 31373-31374 31380-31381 31405 31422 31432 31439-31440 31452 31469 31478 31482 31486 31499 31503 31525 31532 31547 31575 31582 31621 31642 31677 31685 31689 31693 31697-31698 31707 31712 31730 31736 31739 31742-31743 31745 31781 31786 31796 31802-31803 31812 31814 31821 31860 31886 31904 31912 31923 31933 31945 31967 31969-31970 31984-31985 31990 31995 32000 32009 32014 32028 32033 32038 32057 32070 32073 32075 32093 32112 32115 32121 32123 32128 32130 32137 32142 32150 32158 32161 32175 32182 32205 32207 32230 32252 32260 32282-32283 32288 32295-32297 32299 32308 32312 32336 32357 32378 32386-32387 32391 32396 32398 32438 32448 32459 32461 32484-32485 32495 32506-32507 32513 32522 32552 32570 32579 32584 32586 32612 32618 32620 32633 32638 32646 32650 32654 32666 32684 32713 32726 32735 32737 32742 32749 32751 32756 32760 32765 32778 32782 32796 32811-32812 32817 32831 32836 32839 32848 32857 32875 32888 32891 32921 32930 32935-32936 32952-32953 32960 32966 32970 32973 32979 32982-32983 32986 32998 33018 33039 33042 33060-33061 33064 33079 33081-33082 33086 33093 33119 33137 33141 33143-33144 33147 33160 33179 33184 33196 33218 33228 33230 33237 33242 33251 33257-33258 33264 33273 33281-33282 33286 33293-33294 33298 33310-33311 33321-33322 33329 33362 33372 33384 33389 33402 33406 33410 33416-33417 33419 33424 33428 33432 33443 33447 33449 33473 33486-33489 33510 33514 33516 33521 33537-33538 33542-33543 33547 33555-33556 33564 33576 33583 33589-33590 33621 33623 33625 33627 33630 33643 33649 33657 33676 33684 33688-33690 33697 33710-33711 33716 33720-33721 33731 33733-33734 33736-33737 33741 33756 33759 33762 33764 33773-33775 33778 33805 33813 33832 33837 33839 33852 33872 33879-33880 33896 33898 33901 33903 33905 33910 33924 33929 33946 33961 33967 33969 33977 33982 33993 34019 34030 34043 34053 34080 34088 34096 34110 34117 34126 34128 34131 34134-34135 34160-34161 34163 34167 34189 34191 34210 34242 34253 34261 34268-34269 34274 34281-34282 34290-34291 34294 34301 34304 34315 34334 34336-34337 34347 34350 34360 34370 34372 34377 34379 34385 34392 34402 34405-34406 34410 34425-34426 34435 34439 34444 34454 34460 34462 34466 34471 34479 34490 34494 34496-34497 34499 34521 34526 34535 34540-34541 34561-34562 34571 34577 34582 34596 34606 34617 34621-34622 34626 34632 34634 34637 34645 34663 34672 34689 34695 34702 34706 34717 34730 34734 34737 34743-34745 34747 34749 34759-34760 34765 34769 34772 34776 34779 34785 34794 34796 34810 34827 34830 34836 34848 34851 34864 34872 34876 34889 34892 34901 34905 34912 34914 34937 34951 34953 34971 34976 34979 34981 34994 34997-34998 35025 35029 35041 35048 35051 35063-35064 35075 35080 35084 35094 35102 35108-35109 35122-35123 35128 35158 35162 35164 35166 35174 35191 35196 35212 35217 35223 35237 35262 35266 35282 35293 35302 35312 35333 35350 35353 35362 35371 35373-35374 35380 35407 35415 35418 35427 35429 35442 35465 35479 35487 35498 35500 35502 35507-35508 35533 35538-35539 35545 35550 35558 35571 35574 35576 35579 35583-35584 35590 35592 35605 35615 35618-35619 35628 35643 35651 35655 35659 35663 35668 35673 35675 35686 35702 35712 35717 35733 35736 35749 35753 35766 35777 35779 35786 35794 35799-35800 35803 35811 35820 35837-35838 35840 35845 35851 35854 35860 35865 35870 35877 35885 35891 35903 35949 35952 35964-35966 35968 35977 35979 35981 35990 35993-35994 36005 36014 36031 36035 36054 36066 36073-36074 36109 36115 36120-36121 36136 36145 36180 36188 36194 36196-36197 36199 36209 36215 36219-36220 36224 36237 36253 36258 36269 36287 36291 36308 36324 36326 36330 36343 36355 36368 36378 36389 36398 36400 36416 36448 36461 36467-36468 36487 36489 36493 36502 36506 36513 36530 36555 36564-36565 36569 36576 36596 36612 36614 36650 36661-36662 36675 36677 36690 36695-36696 36700 36702 36710 36715 36730 36737 36739 36745 36769 36784 36803 36808 36812 36824 36838 36869 36894 36915 36918 36931 36936 36939 36954 36988-36989 36991 36995 37010 37020 37023 37030 37032 37035 37040 37049 37055 37059 37061 37071-37073 37082 37084 37088 37094 37111 37120 37130 37132-37134 37136-37138 37140 37147 37156 37159-37160 37162 37175 37182 37199 37208 37214-37215 37217 37227 37231-37232 37243 37246 37251-37252 37254 37261 37267 37279 37281 37285 37289 37291 37303 37318 37322 37329-37330 37372 37384 37392 37397 37399-37400 37402 37419 37422 37426 37448-37449 37461 37480 37485 37491 37499 37507 37513 37524 37530-37531 37545 37549 37570 37577 37583 37598 37603 37610 37615 37617 37643 37646 37653-37654 37668 37673 37697 37701 37704 37713 37719 37732 37744 37748 37757 37767 37769 37781 37785 37813 37834 37898 37905 37931 37937-37938 37954 37960 37966 37968 37972-37973 37982 37985 37987 37996 38002 38004-38005 38020 38022 38029 38040 38048 38059 38072 38077 38104 38106 38126-38127 38138 38152 38165 38189 38198 38203 38205 38207-38210 38214 38216 38230 38235 38259-38260 38270-38271 38283 38285-38286 38290 38293 38300-38301 38311 38316 38324 38330 38349 38368 38378 38385 38387 38397 38402 38411 38427 38436 38438 38440 38452 38455 38476 38478-38479 38485 38505 38508 38522 38530 38542 38546 38552 38570-38571 38590 38597 38606 38610 38618 38630 38638 38643 38652 38665 38674 38680 38686 38691 38699 38713 38717 38721 38723 38725 38727 38732-38734 38738 38752 38756-38757 38768 38775 38785 38792 38801 38812 38814 38834 38849 38856 38860 38872 38879 38881 38893 38918 38923 38934 38938-38939 38946 38949 38955 38957 38964-38965 38967-38968 38970 38973 38980 39014 39017 39025-39026 39030 39037 39044 39048 39053 39064 39074 39090 39096-39097 39099 39107 39114 39139 39161 39172 39176 39200 39202 39215 39222 39225 39247 39262 39269 39280 39282-39283 39289 39291 39321 39341 39357 39361 39368 39387 39390-39391 39397 39406 39425-39426 39433 39440 39442 39446 39449 39457 39463-39464 39468 39471 39478 39483 39490 39493 39496 39511 39516 39531 39533 39538 39543 39545 39550 39552-39553 39555 39562-39563 39568 39574 39590 39593 39617 39619 39623 39633 39646 39652 39660 39670 39679 39683 39690 39701 39711 39722 39727 39731 39738 39781 39788 39790 39802 39808 39813 39817 39822 39842-39843 39848 39851 39854 39857 39861 39888 39901 39915 39926 39936 39939 39949 39954 39971 39974 39996 40016 40054 40086 40096 40099 40122-40123 40125 40131 40152 40179 40186 40196 40214 40230 40239 40242 40249 40255 40268 40276 40281 40285 40290 40298-40299 40313 40328 40358 40375 40382 40396 40400 40415 40424 40429 40440 40445 40461 40476 40483 40529 40560 40590 40592 40601 40643 40664 40670 40694 40704 40709 40712 40716 40746 40749 40802 40809 40818-40819 40828-40829 40834 40854 40880 40901 40933 40948-40949 40957 40959 40976 40980-40981 40985 40988 40994 41004 41008 41021 41035 41051 41055 41058 41065 41072-41073 41077 41107 41111 41124 41129 41138 41143 41150 41165 41178 41214 41216-41217 41225 41238 41242 41252-41253 41258 41279 41283 41303 41315 41326 41341 41345 41352 41355 41365 41379 41390-41391 41441 41444 41449-41450 41453 41468 41474 41483 41486 41488 41493 41519 41521 41530-41531 41545 41547-41549 41552 41559 41563 41567 41570-41571 41575 41591 41597 41600 41604 41616-41617 41621 41625 41629 41632-41633 41646 41651-41652 41661 41664 41666-41667 41672-41673 41695-41696 41698 41704 41708 41710 41721 41724 41733 41739 41752 41764 41774-41776 41803 41815 41826 41831 41840 41853 41855 41858 41861 41873 41879 41881-41882 41887 41890 41893 41902-41903 41912 41926 41928 41935 41941 41945 41960 41965 41967 41978 41990 42003 42010 42013 42020 42022 42027 42036 42043-42044 42054 42063 42070 42072 42084 42103 42123-42124 42132 42137 42139 42150 42152 42182 42200 42204-42205 42210 42217 42239 42248 42250 42252-42253 42281 42290 42294 42317-42318 42326-42327 42331 42339 42345 42355 42374 42385-42386 42415 42423 42428 42430-42431 42442 42460 42464 42468 42486 42498 42519 42522 42527 42550 42588 42600 42602 42609 42612 42623 42632 42635 42646 42651 42654 42668 42672 42676 42683 42700 42706 42714 42718 42721 42724 42742 42769 42777 42784 42791 42794 42803 42811 42829 42833 42857 42860 42864 42866 42868 42874 42877 42887 42891-42892 42900 42904 42907 42912 42916 42921 42927-42928 42934 42939 42957 42973 42976 42981 42985 42997 43000-43001 43004 43010 43017 43021 43044 43052 43054-43055 43064 43066 43075 43082 43086 43089 43105 43134 43140 43148 43150 43154 43166-43167 43177 43181 43198 43204 43225 43228 43242 43259 43280 43287 43290 43302 43306 43311 43323 43327 43329 43335 43355-43356 43362 43364 43385 43392 43399-43400 43414 43420 43426 43443 43445 43452 43454-43455 43463 43477-43478 43484 43491-43492 43495 43497 43505 43526 43529 43531 43540 43544 43550 43575 43577 43583 43595 43612 43614 43624 43627 43631 43633-43634 43639 43650 43657 43659-43660 43663 43667 43681 43683 43686 43688 43691 43700 43708 43710 43715 43725 43732 43741 43768 43770 43773 43786 43796 43808 43817 43826 43845 43850 43854 43868-43869 43882 43911 43915 43944 43951 43955 43959 43962 43972 43979-43980 43983 44001 44006 44010 44045 44083 44096 44109 44119 44128 44132 44140 44148 44155 44163 44180 44184 44187 44205 44212 44219 44221 44226 44228 44243 44248 44259-44260 44267 44281 44289 44323 44338 44347 44359 44364 44395 44401-44402 44406-44407 44412 44415 44421 44430 44436 44499 44501-44502 44505 44508 44525 44527 44530 44542 44547 44549 44573 44578 44580 44585 44605 44608 44631 44637 44651 44681 44683 44686 44691 44709 44719 44732 44736 44762 44766 44778 44783 44802 44814 44818 44845 44853 44856 44858 44879 44881-44882 44887 44920 44931 44951 44953 44956-44958 44964 44981 44990 45008 45013 45019 45021-45022 45024 45027 45032 45036 45043 45065 45079 45089-45091 45096 45101 45108-45109 45111-45112 45117 45135 45137 45143 45154 45163 45166 45168-45170 45182 45185 45188 45190 45197 45205-45206 45210 45214 45220 45223 45228 45239 45241 45245 45249 45253 45256 45262 45271 45278 45299 45309 45312 45324 45332 45337-45338 45344 45360 45364 45367 45369 45373 45377 45379 45394 45397-45399 45405 45409 45432 45435-45436 45443 45447-45448 45451 45458 45462 45464 45485 45495 45500 45502 45513-45515 45518 45535 45541-45542 45544 45554 45582 45588 45593 45600-45601 45603 45605 45619-45620 45623-45624 45650 45654 45656-45658 45665 45671 45673 45677 45692 45696 45698 45700 45702 45710 45716 45730 45740 45746 45756-45757 45760 45770 45774-45775 45786 45796-45797 45800 45811 45816 45823 45826 45837 45851 45856 45858 45865 45878-45879 45896 45903 45907 45914 45916 45924 45926 45933 45936 45942 45944 45948 45956-45957 45968 45980-45981 45999 46001 46009 46017 46021-46023 46026-46027 46031-46032 46040 46051 46065 46068 46083 46095 46100-46101 46107 46112-46113 46115 46117-46119 46124 46149 46152 46154-46155 46161-46162 46178 46193 46197 46200-46201 46208 46215 46219 46241 46248 46253 46265 46268 46270 46275 46281 46287 46289 46297 46300 46307 46317 46320 46323-46324 46326 46333 46337 46341 46355 46376 46378 46385-46386 46398 46419-46420 46432 46437-46438 46442 46445-46446 46459 46466-46467 46470 46473-46474 46482 46494 46517 46523 46528-46529 46559 46571 46576 46593-46594 46598 46603 46605 46607 46612 46625 46627 46639 46655 46658 46661 46665 46680 46689 46696 46702-46703 46708 46713 46725-46726 46728 46732 46751 46767 46769 46771 46773 46775-46776 46800 46804 46807 46814 46822 46828-46829 46850 46866 46869 46877 46904 46933-46934 46943 46945 46958-46959 46964 46975 46983 46991 47001 47021 47024 47068 47073-47074 47086 47088 47091 47097 47127 47133 47135-47137 47162 47168-47170 47176 47180 47182 47195 47198 47204 47210 47212-47213 47222-47223 47227 47233 47238 47242 47245 47251 47258 47261 47268 47273 47279 47287 47296 47304 47306 47311 47328 47351 47361 47367 47377 47392 47396 47399 47407 47409 47419-47420 47422 47429 47446 47461 47464 47489 47503-47504 47513 47530 47541 47543 47552 47580 47582 47587-47588 47590 47592 47605 47607 47616 47629 47638 47641 47651 47663 47670 47676 47690 47702 47710 47713 47719 47745 47758 47765 47775 47787 47789 47824 47832-47833 47835 47840 47842 47874 47879 47891 47894 47905 47915 47920 47930 47945 47952-47953 47956 47964 47982 47986 47991 47994 48007 48020 48022 48025-48026 48028 48035 48044-48045 48047 48050 48055 48065 48097 48134 48143 48160 48169 48176 48178 48182 48193 48200 48207 48210 48223 48226 48235 48237 48240 48269 48274 48280 48291 48305 48310 48330 48335 48346 48350-48351 48357-48358 48361 48363 48368 48370-48371 48373 48383 48398-48399 48411 48413 48419 48436 48452 48455 48460 48470 48473 48490 48499 48503 48523 48531 48541 48546-48547 48560 48572 48574 48576 48602 48606 48613 48630 48662 48687 48690 48694-48695 48721 48727 48731 48748 48750-48751 48762-48763 48766 48774 48796 48835 48847-48848 48851 48862 48865-48866 48884 48905 48913 48936 48950 48955 48959 48967 48969 48972 48985 48992-48993 49000 49005 49010 49022 49026-49028 49034 49042 49054 49080 49086 49094 49097 49108 49114 49118 49120 49122 49126 49129 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/377/911?format=ascii default J/A+A/377/911/table1 Stellar parameters derived in this work Age Mean age Gyr time.age float recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int HIP Hipparcos (Cat. <I/239>) number meta.id;meta.main int Simbad Simbad column added by the CDS meta.ref char VMAG Absolute V magnitude mag phys.magAbs;em.opt float log(Teff) Effective temperature log(K) phys.temperature.effective float [Me/H] Metallicity derived from the Stroemgren photometry log(Sun) phys.abund.Fe float e_Age rms uncertainty on Age Gyr stat.error float Nfit Number of good fits meta.number int Mass Stellar mass solMass phys.mass float _RA Right Ascension (J2000) from SIMBAD (not part of the original data) deg pos.eq.ra;meta.main _DE Declination (J2000) from SIMBAD (not part of the original data) deg pos.eq.dec;meta.main