Spectral types of OB stars <200Myr from Gaia DR3 J/AJ/168/25 ivo://CDS.VizieR/J/AJ/168/25 doi:10.26093/cds/vizier.51680025 CDS Ge Q.A. Li J.J. Hao C.J. Lin Z.H. Hou L.G. Liu D.J. Li Y.J.,Bian S.B. 2025-02-12T20:07:53Z 2024-10-11T09:25:36Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr ob-stars effective-temperature stellar-spectral-types visible-astronomy trigonometric-parallax surveys milky-way-galaxy The structure and evolution of the spiral arms of the Milky Way have long been an important yet controversial issue. The wide age range of OB-type stars, coupled with the large amount of high-precision astrometric data provided by Gaia DR3, presents us with an opportunity to explore this issue. After constructing overdensity maps and examining the variations of overdensities with Galactocentric distance along the Galactic azimuth, we compare the spiral structures traced by B3-B5, B6-B7, B8, and B9 stars with those of young O-B2 stars in the vicinity of the Sun. We find that as the ages of the OB tracer stars increase, the Perseus Arm traced by them gradually shifts toward the anti-Galactic center direction, and the pitch angle of the Carina Arm gradually decreases. These results will help us to understand better the evolutionary properties of nearby spiral arms. 2024AJ....168...25G https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/168/25 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to B/pastel : The PASTEL catalogue (Soubiran+, 2016-) B/mk : Catalogue of Stellar Spectral Classifications (Skiff, 2009- ) I/355 : Gaia DR3 Part 1. Main source (Gaia Collaboration, 2022) J/ApJS/208/9 : Intrinsic colors & temperatures of PMS stars (Pecaut+, 2013) J/ApJ/885/131 : High-mass SFR plx & proper motion with VLBI (Reid+, 2019) J/A+A/643/A138 : Possible runaway stars list (Maiz Apellaniz+, 2020) J/A+A/652/A102 : 3794 open clusters parameters (Hao+, 2021) J/MNRAS/504/2968 : The Alma catalogue of OB stars - II. (Pantaleoni+, 2021) J/A+A/651/A104 : Spiral arms Gaia EDR3 (Poggio+, 2021) J/A+A/645/L8 : Plxs & proper motions of OB stars from Gaia EDR3 (Xu+, 2021) J/A+A/657/A131 : Ten new systems with O stars (Maiz Apellaniz+, 2022) J/A+A/662/A66 : Hot stars from LAMOST DR6 (Xiang+, 2022) J/A+A/678/A111 : Milky Way through A stars (Ardevol+, 2023) J/A+A/674/A39 : Gaia DR3. 95 extrasolar planets (Gaia Coll.+, 2023) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/168/25 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/168/25 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/168/25 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/168/25 https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/168/25 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/168/25 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/AJ/168/25/table2 (Parallaxes and Teff of OB stars in Gaia DR3) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/168/25/table2? https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/168/25/table2? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/168/25/table2? 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22981-22983 22986 22990-22991 22997-23000 23003-23005 23007 23010-23011 23014-23015 23019 23021 23024 23027-23028 23030 23035 23046-23047 23064 23076 23081 23102 23115 23122 23152 23160 23166 23176 23200 23237 23255 23279 23281 23284 23298 23319 23333 23349 23358 23360 23367 23372 23375 23381 23383-23384 23388-23389 23391 23394-23395 23398 23408 23410-23411 23414-23415 23418 23442 23444-23445 23451 23453 23457 23464 23473 23483-23485 23488 23492-23494 23496 23508-23509 23516 23518 23520 23524 23532 23534 23536 23541-23542 23545 23548-23549 23551 23560-23562 23584-23585 23587 23592-23593 23595-23597 23681-23682 23688 23690 23712 23714-23715 23720-23721 23727-23729 23731 23736 23738-23739 23837-23839 23878 23880-23882 23888-23889 23892-23893 23897 23900 23902 23909 23911 23921-23923 23925-23926 23928 23931-23932 23935 24004 24017-24019 24025 24029 24052-24053 24055 24060-24062 24064-24065 24067-24068 24070 24073-24077 24079 24088-24090 24096 24099 24101 24103 24105 24107-24108 24110 24113-24114 24116-24118 24120 24123 24125-24127 24193-24194 24196-24197 24199 24204 24206 24209-24210 24221-24223 24228 24230 24232 24234-24235 24238-24240 24242-24243 24248-24249 24251-24254 24256-24257 24259 24408 24410-24412 24415 24432-24434 24437 24439 24444 24446 24593 24601 24604 24629 24633 24646 24652 24679 24705 24722 24791 24840 24858 24923 25015 25043 25088 25098 25100 25106 25141 25219 25236 25262 25297 25384 25407 25436 25907 25950 26057 26315 26569 26644 26647 26669 26672 26700 26712 26722 26754 26828 26855 26867 26945 27132 27234 27306 27344 27506 27523 27541 27578 27622 27919 27999 28134 28142 28172 28233 28237 28526 28929-28931 28944-28945 28947-28948 28950-28951 28953-28955 28992-28993 29004-29006 29010-29011 29014 29020 29023 29044-29046 29224-29226 29228 29231 29240 29242-29243 29284 29286-29287 29313 29315-29316 29318 29324 29327 29333-29335 29340-29342 29347 29353 29358 29360-29361 29365 29367 29371-29372 29377-29381 29383 29386 29388 29391-29392 29395 29400 29403 29405-29406 29408 29411 29414 29420-29421 29423-29424 29429 29434-29435 29437-29439 29584-29586 29592-29593 29595-29598 29601-29605 29607 29611 29617 29619 29621 29625 29628-29629 29640-29642 29656-29658 29660-29661 29663 29665-29670 29672-29673 29677-29680 29682-29683 29685-29686 29689-29691 29699-29701 29703 29708 29711 29715 29717 29719 29722 29725 29727 29732 29734-29735 29745 29747-29749 29754-29755 29757-29759 29761 29766 29775-29777 29779-29780 29792 29801 29804 29806 29808-29809 29814 29817 29819 29823 29892-29894 29905-29906 29908 29916 29918-29919 29955 29963 29970-29971 29976 29978 29981 29993 29998 30008 30012 30014 30022 30025 30045 30050 30056 30061-30063 30072 30074 30076 30082 30088 30090-30091 30094-30095 30100-30101 30104-30106 30108 30111 30128 30131-30132 30134-30136 30139 30141-30143 30146 30148 30151 30167-30168 30172 30178-30179 30181 30183-30184 30187-30188 30190-30191 30202-30203 30206 30336 30338-30339 30342-30343 30349-30350 30376 30378 30380 30389-30393 30395 30484 30486-30487 30528 30530-30533 30535-30536 30538-30539 30546-30547 30552 30722-30723 30739-30740 30761 30771 30790 30806-30807 30812 30818 30829 30833 30837 30854 30858 30868 30879 30893 30916 30928-30929 30939 30942 30970 30976-30978 30982 30986-30988 30993-30995 31000 31003 31005 31012 31038 31044 31047 31053 31055 31064-31065 31067-31068 31070 31075-31076 31085 31088 31090 31093 31096-31097 31099 31103 31107 31136 31138-31139 31149 31168-31169 31183 31204 31258-31259 31292 31398 31461 31507 31511 31537 31541 31572 31582 31603 31710 31735 31745-31747 31760-31762 31764 31767-31768 31770-31771 31773 31777-31781 31783-31784 31787-31788 31790 31794-31797 31807 31816 31818 31821-31822 31824 31827 31832 31834-31835 31840-31841 31848-31850 31853 31857 31868 31871 31875 31880 31883 31893 31901-31902 31904 31913 31927-31928 31938 31940 31946 31948 31951-31952 31954-31956 31958 31964 31966-31967 31972 31981 31988 31994-31995 31997-31998 32036-32038 32041-32043 32049 32051 32057 32059-32060 32062-32063 32104 32106-32107 32128-32129 32134-32135 32142 32144-32145 32147-32149 32152-32153 32163 32165 32167-32168 32170 32172 32174 32178-32179 32184 32186-32189 32192 32194 32196-32198 32200 32204 32206 32212-32213 32215 32220-32221 32223-32224 32229-32230 32232 32234 32244-32245 32249 32251 32255 32286 32291 32297 32304 32317 32336 32339 32344 32346 32364 32380 32384 32406 32452 32472 32489 32503 32513 32525 32528-32529 32533 32550 32575-32577 32580 32582 32590 32597-32601 32604 32610 32613 32627 32629 32651 32659 32661 32678 32680 32695 32708 32738 32749 32770 32776 32788 32790 32792 32800 32802 32813 32845 32854 32858 32869 32877 32934-32935 32983 33008 33030 33035 33045 33053 33074 33084 33094 33096-33098 33100 33108 33112-33113 33120 33137 33156 33190 33225 33285 33301 33328 33375 33377 33386 33399 33408 33417 33487 33563 33571 33657 33807 33814 33816 33878 33888 33910 33914 33919 33930 33942 33983 34041-34042 34053 34061 34065 34084-34085 34095 34105 34107 34118 34120 34130 34145 34160-34161 34165 34181 34185 34199 34227 34244 34259 34270 34273 34294 34301 34398 34501 34520 34522 34526-34527 34558 34568 34576 34607 34664 34676 34782 34873 34885 34914 35095 35104-35105 35163 35165 35327 35411 35432 35487 35529 35676 35756 35801 35862 35940-35941 36018 36119 36121 36146 36167 36196 36213 36220 36240 36298 36485 36575 36651 36837 36851 36866 36870 36880 36883-36886 36890 36893-36894 36905 36919 36927 36930-36931 36933 36935-36936 36938 36940 36942-36945 36947-36949 36955 36960 36962 36964 36966-36970 36972-36973 36975 36977-36979 36981-36986 36989 36991 36996 37000 37012-37013 37023 37028 37033 37042 37051 37054 37057-37058 37060-37062 37065 37067-37070 37074 37077-37081 37083 37085 37087 37090-37093 37095 37097-37099 37101 37104-37106 37113-37114 37116-37117 37119 37121-37125 37127 37132-37133 37135 37165-37167 37248 37250-37251 37256-37257 37259 37282-37283 37395 37407 37410 37421-37422 37428-37429 37440-37441 37443 37445-37446 37450 37457 37460 37462-37463 37465 37467 37469-37470 37475 37477 37481 37485-37487 37489 37491 37493 37495-37496 37499 37509 37512 37516-37517 37521 37525 37534 37536 37541 37543 37545-37546 37552 37557 37571 37577-37578 37581-37583 37589-37591 37596 37598-37599 37602 37604 37607 37622-37625 37627-37629 37632-37634 37640-37641 37643 37665 37667 37760-37761 37763-37764 37766-37767 37792-37793 37795 37980 37982-37983 38000 38002-38003 38012 38014-38015 38084-38085 38087 38096-38097 38099-38101 38103 38110-38111 38120-38121 38123 38128-38129 38137 38140 38142 38148-38150 38152 38154-38155 38158 38161 38163-38165 38174 38176-38177 38179-38180 38188 38193 38207-38209 38212-38213 38216-38217 38223 38225 38228 38241 38243 38246 38248 38255 38268 38272 38275 38279 38282-38283 38285 38287 38295 38304 38312 38326 38329 38331 38339 38341 38352 38364 38368 38379 38468 38476-38478 38485-38487 38492 38495-38497 38499-38500 38503-38506 38509-38512 38514 38516 38519-38521 38525-38526 38556-38558 38580-38582 38584-38585 38587 38589-38593 38595-38596 38602 38607 38609-38610 38618 38623-38624 38626 38628-38629 38631-38632 38634-38635 38639 38641 38664 38671 38675 38680-38681 38695 38704 38712 38719-38720 38722 38724 38728-38729 38752 38766 38780 38784 38789 38791-38792 38797 38800 38816 38820 38822 38829 38831 38834 38841 38855 38861 38880 38886 38897 38915-38918 38925-38926 38932 38935 38939-38940 38943 38946-38948 38956-38957 38960-38962 38964 38967-38968 38971 38973-38974 38981 38984 38988 38990-38991 39008 39012-39013 39015 39017-39020 39022-39025 39027 39041 39044 39051 39053 39057 39059 39061 39063 39065-39066 39074-39075 39085 39100 39103-39104 39106-39107 39113-39117 39121 39123-39125 39127-39128 39130-39131 39133-39134 39136 39138-39139 39141-39144 39149 39154-39156 39158-39161 39163-39166 39300-39301 39303 39336-39337 39339 39427 39439 39447-39449 39452-39453 39471 39477-39478 39482 39484-39486 39493 39495-39496 39501 39503 39505-39506 39509-39513 39515-39517 39519-39522 39524 39526-39527 39531 39533-39534 39536 39539 39546 39548 39551 39553 39555 39561 39563 39574 39582 39587 39592 39601 39604-39605 39611 39613 39615-39616 39618-39619 39628 39630 39632 39634-39635 39638-39639 39641 39643 39645-39650 39654-39658 39662 39664 39673-39675 39817-39818 39849-39851 39956-39958 39966 39992 39994-39995 40002 40004 40006-40008 40014 40016 40021-40022 40026 40030-40032 40034 40038 40040-40042 40044 40046-40049 40053 40055 40057 40060 40084 40086-40087 40093-40095 40116-40118 40134-40135 40140-40142 40144 40152 40160 40162 40167 40174-40175 40189 40192 40197 40199 40221 40229 40231-40233 40238 40242 40269 40285 40306 40312 40317 40322 40334 40352 40358-40359 40379-40380 40404 40421 40441 40464-40466 40469-40471 40476-40478 40512 40514-40515 40524-40526 40528 40536-40538 40540 40545-40546 40548 40550-40554 40556 40558 40560-40561 40569 40640-40641 40643-40646 40653-40655 40657-40661 40663 40665-40668 40670-40671 40676-40678 40688 40690-40691 40694 40699-40701 40703 40730 40740 40747 40750 40754 40759 40770 40777 40788 40807 40810 40814 40824 40832 40835-40836 40838 40844 40846 40858 40864 40871 40873 40875 40879 40882 40885 40890 40892 40894 40905-40906 40922 40940 40943 40952 40963 40965 40968 40972 40975-40976 40988 40991-40993 40999 41002-41004 41010-41011 41017 41020 41022 41025 41027 41029-41030 41034-41035 41037 41041-41042 41049 41051 41053 41059 41061-41063 41067 41077 41082 41084-41085 41087 41091-41093 41095 41099-41101 41105 41107 41109 41111-41113 41115 41120-41122 41125-41129 41131 41137-41139 41149-41152 41154-41155 41157 41159 41217 41221-41223 41230 41232 41234 41236 41247 41252 41255-41256 41258-41259 41262-41263 41265-41268 41270-41271 41274-41275 41280 41284 41288 41294 41300 41303-41304 41306-41308 41312-41313 41318-41319 41328 41332-41333 41335 41345-41346 41349-41351 41412-41414 41473-41475 41504-41505 41507 41900-41902 41948 41950-41953 41955-41958 41960 41962-41965 41967 41972-41974 41976-41977 41979-41981 41984-41986 41991 41994-41995 41998-41999 42003 42005-42007 42012-42013 42015-42016 42018-42020 42022-42023 42036 42038-42039 42049-42050 42053 42055 42060 42062-42063 42068-42069 42071 42073-42075 42241-42243 42245 42247 42256 42258-42260 42262-42263 42556-42557 42559 42612-42613 42632-42633 42635-42638 42644-42645 42647 42649 42651 42653 42655-42658 42660 42662 42665 42667-42668 42670 42672 42674 42679 42681 42684 42687 42692-42693 42695-42696 42698 42700 42707 42709 42711-42714 42716 42718-42722 42724-42725 42728 42731 42736 42738-42740 42742 42746 42748 42784 42787 42793-42795 42797-42799 42804-42805 42807 42812-42814 42864 42866-42867 42869-42873 42875-42877 42879-42881 42883-42884 42890-42892 42895 42898-42899 42901-42903 42905 42907-42908 42914 42924 42932 42934 42936 42945 42947-42949 42951 42953-42957 42959 42961 42963 42965-42970 42972 42974 42977-42978 42984-42985 42987 42989-42990 42994 42996-42997 43000-43001 43003-43004 43124 43126-43127 43132-43134 43160-43162 43164-43165 43167 43185 43187-43189 43191-43192 43194-43195 43200-43202 43212-43214 43224 43227 43229-43230 43233-43235 43237-43238 43242 43247-43248 43250 43252 43257 43259 43285-43288 43290-43291 43297 43304-43305 43307 43313-43314 43317 43320-43321 43323 43326 43332-43333 43335-43338 43341 43343 43346 43348-43349 43353 43355-43357 43359 43361 43365 43368-43369 43371-43372 43374-43375 43377-43378 43383 43391 43393-43395 43403-43404 43407 43411-43412 43414 43416-43417 43420 43423 43425 43429-43432 43441 43443-43445 43448-43450 43456-43458 43460-43461 43483 43507 43520-43521 43523-43526 43533-43534 43536 43538 43540 43542 43544 43547-43549 43552-43554 43559 43561 43563 43571 43578-43579 43581 43585 43587 43596 43598 43601 43604 43607 43613 43616 43618-43619 43622 43636-43637 43642 43651-43652 43657 43664 43669 43680 43689 43698 43700 43702 43706-43707 43715-43716 43720 43727 43729 43742 43752 43754 43756 43764 43778 43792 43796 43798 43810 43813 43818 43829 43833 43840 43843 43848 43852 43860 43891 43938 43942 43977 44016 44032 44040 44043-44044 44046 44054 44060 44062 44066 44069 44074 44076 44081 44085-44086 44089 44101 44103 44109 44119 44123-44124 44127 44130 44136 44158 44166 44174-44175 44184 44192 44204 44226 44248 44252 44256 44258 44263-44264 44267 44289 44293-44294 44299 44306-44308 44310 44312-44313 44316-44317 44319 44321 44344 44349 44352 44354 44357-44360 44363 44366 44368 44371-44372 44378-44379 44384-44386 44389 44393 44403-44404 44409 44421 44428 44436 44438 44440-44441 44461 44469 44502 44519 44549 44559 44616 44673 44697 44737 44747 44755 44816 44822 44849 44864 44892 44940 44993-44994 45048 45068 45081 45098 45105 45132 45144 45187 45201 45222 45235 45287 45308 45434 45442 45448 45455 45473 45486 45493 45504 45564 45566 45573 45576 45578 45583 45585 45610 45615-45616 45628 45632 45644 45654 45662 45665 45672-45673 45679 45682 45690-45691 45698-45699 45702 45705 45710 45714 45719 45725 45729 45735 45737 45741 45743 45750 45758 45764-45765 45780 45785-45786 45789 45806 45808-45810 45859 45904 45914 46027 46081 46144 46185 46227 46293 46335 46343 46368 46538 46592 46619 46682 46754 46778 46812 46835 46853 46915 46986 47009 47015 47028 47033 47056 47105-47107 47113 47117 47119 47122 47125 47135-47136 47139 47145 47147-47148 47158 47160 47179 47182 47202 47216 47230 47233-47236 47240 47244 47246 47254 47258-47259 47265-47266 47269-47271 47277 47280 47284 47286-47287 47289 47291 47293 47298 47303-47305 47307 47320 47329 47335 47337 47342-47345 47350 47376 47457 47477-47478 47482 47495 47525 47528 47543 47572 47574 47583 47591 47593 47603 47606 47608 47613 47616 47618-47622 47629-47631 47637 47641-47642 47644-47646 47652-47653 47655 47664 47666-47667 47669-47670 47672 47676-47677 47679 47684 47686 47691 47693 47698 47703 47706 47714 47718-47719 47722-47723 47725 47727 47729 47731 47738-47742 47748-47749 47756 47758 47760-47761 47764 47766-47767 47772-47773 47775-47777 47779 47796-47797 47799 47805-47809 47811-47812 47814 47819-47822 47824-47825 47828-47829 47831-47832 47834-47835 47837-47840 47842-47843 47858-47859 47862 47889 47891 47896 47903 47906 47913-47916 47918-47919 47921 47925-47926 47928 47931 47934 47936 47941-47942 47945-47947 47969-47970 47976 47978 47982 47985 47993 48000-48001 48004-48005 48009 48011 48013-48014 48020-48021 48024 48027 48032-48034 48036-48038 48040 48042-48045 48047 48052 48060-48061 48063-48065 48068-48069 48090 48092 48096 48099 48104 48106-48108 48111 48114 48116 48120 48123-48125 48146 48220 48293 48299 48308 48312 48355 48388 48495 48537 48549 48562 48573 48615 48656 48686 48701 48704 48716 48719 48741 48749 48769 48771 48773 48780 48790 48808 48816 48819 48822 48827 48830-48831 48856-48857 48862 48865 48867 48879 48882-48884 48888 48892 48900 48916 48934 48945 48962 48989 48993 48995 49030-49031 49036 49049 49064 49067 49078 49085 49099 49109 49121 49126 49138 49150 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/168/25?format=ascii Optical default J/AJ/168/25/table2 Parallaxes and Teff of OB stars in Gaia DR3 recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int GaiaDR3 Unique source identifier with Gaia DR3 meta.id;meta.main RA_ICRS Gaia DR3 right ascension (ICRS) at Epoch=2016 deg pos.eq.ra;meta.main indexed DE_ICRS Gaia DR3 declination (ICRS) at Epoch=2016 deg pos.eq.dec;meta.main indexed Plx [0.06/38.1] Absolute stellar parallax mas pos.parallax float e_Plx [0.008/1] Standard error on Plx mas stat.error;pos.parallax float Teff [10000/54889]? Effective temperature derived by ESP-HS module (1) K phys.temperature.effective int nullable SpT Spectral type based on Teff or from the Skiff catalog (B/mk) if no Teff src.spType char Simbad Simbad column added by the CDS meta.ref.url char