Gaia DR2 open clusters in the Milky Way J/A+A/618/A93 ivo://CDS.VizieR/J/A+A/618/A93 doi:10.26093/cds/vizier.36180093 CDS Cantat-Gaudin T. Jordi C. Vallenari A. Bragaglia A. Balaguer-Nunez L.,Soubiran C. Bossini D. Moitinho A. Castro-Ginard A. Krone-Martins A.,Casamiquela L. Sordo R. Carrera R. 2020-09-30T07:32:47Z 2018-10-19T08:16:41Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr surveys open-star-clusters Open clusters are convenient probes of the structure and history of the Galactic disk. They are also fundamental to stellar evolution studies. The second Gaia data release contains precise astrometry at the submilliarcsecond level and homogeneous photometry at the mmag level, that can be used to characterise a large number of clusters over the entire sky. In this study we aim to establish a list of members and derive mean parameters, in particular distances, for as many clusters as possible, making use of Gaia data alone. We compiled a list of thousands of known or putative clusters from the literature. We then applied an unsupervised membership assignment code, UPMASK, to the Gaia DR2 (Cat. I/345) data contained within the fields of those clusters. We obtained a list of members and cluster parameters for 1229 clusters. As expected, the youngest clusters are seen to be tightly distributed near the Galactic plane and to trace the spiral arms of the Milky Way, while older objects are more uniformly distributed, deviate further from the plane, and tend to be located at larger Galactocentric distances. Thanks to the quality of Gaia DR2 astrometry, the fully homogeneous parameters derived in this study are the most precise to date. Furthermore, we report on the serendipitous discovery of 60 new open clusters in the fields analysed during this study. 2018A&A...618A..93C https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/618/A93 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to I/345 : Gaia DR2 (Gaia Collaboration, 2018) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/618/A93 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/618/A93 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/618/A93 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/618/A93 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/618/A93 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/618/A93 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/618/A93/table1 (Summary of mean parameters for the OCs characterised in this study) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/618/A93/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/618/A93/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/618/A93/table1? GET text/xml+votable 180.0 50000 true 51.87 34.981 0.005555555555555556 Cone search capability for table J/A+A/618/A93/members (Membership probabilities of all individual stars) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/618/A93/members? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/618/A93/members? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/618/A93/members? GET text/xml+votable 180.0 50000 true 301.22939051177 -11.18684883128 0.005555555555555556 4/28 110 193 196 206 225 897 1794-1795 1800 1984 1986 2333 2355 2489 2609 2654 5/116 118 120-121 123-124 126 324 331 336 353 361 364-365 370 394-395 411 422 426 429 431 434-435 445-446 448 463 480 482 485 487 492 587 598-599 604-605 609 735 761-762 764-765 777 780-781 783 792 794 813-815 821-823 829 840 883 891 898 908 910 912 914 928 935 948-949 1019 1171 1174 1177 1180 1679 1690 1720 3231 3242 3246 3272 3274 3298-3299 3323 3326 3490 3497 3503 3508 3514-3515 3524 3540 3545 3556 3558 3563 3567 3570 3573 3575-3578 3581-3582 3585-3586 3593 3596-3597 3602 3608-3609 3613 3638 3642-3643 3650-3651 3655-3657 3659-3662 3666-3667 3672 3681-3683 3688 3697-3700 3843-3846 3848-3849 3852-3854 3869 3905 3908 3923 3927 4111 4122 4144 5186 5199 5205 5343 5364 5367 5373 5378 5380 5382 5384 5387-5388 5390 5408 5411 5414 5417 5420 5422 5429 5443 5481 5508 5514 5517 5544 5554 5561 5714 5717 5720-5721 5723 5748 5849 5852 5854 5908-5909 5923 5926 5929 5932 5934 5941 5984 5995 6051 6056-6057 6072-6073 6084 6086 6124 6127 6130 7169-7172 7174 7186 7204 7258 7261 7273 7280 7374 7377 7423 7432 7444 7529-7531 7534 7567 7594-7595 7598 7609 7611-7612 7614 7617 7620 7676-7677 7679 7765-7767 7773 7940 7942 7948 7953 7963-7964 7966-7967 7988-7989 8275 8634 9306-9307 9309-9311 9328-9329 9331 9337 9398 9414-9415 9426 9428 9434 9444-9445 9447 9455 9463-9464 9466-9467 9470-9471 9473-9474 9476 9480 9482-9484 9504-9505 9510 9512-9514 9516 9634-9635 9640 9749 9751 9787-9790 9797-9799 9804 9808-9809 9811-9814 9817 9821-9822 9833 9835 9838 9843-9844 9849 9873 9875 9879 9885 9887 9921-9925 9928-9930 9934-9935 9938 9942-9944 9949 9951-9953 9955 9966-9967 9972-9973 9975 9977 9980 9982 9992 10017 10026 10114 10146 10333 10361 10389 10403 10405 10409 10424-10425 10427 10442 10458 10498-10499 10505-10507 10552 10566-10568 10576-10577 10589 10591 10594 10605 10608 10613 10645 10647 10688 10711 10754 10756 10761-10762 11819 11822 11905 11907-11908 6/365-367 378 382 413 437 468 470-471 476 478-479 489 500 502-503 859 862 881 887 892-893 895 981 1021 1101 1111-1112 1117 1119 1216 1218 1231 1242 1253 1267 1270 1273 1283 1285-1287 1289 1292 1302-1305 1308 1318-1319 1321 1323 1330 1335 1338-1339 1348 1350-1354 1356 1379 1382 1385 1387-1388 1421-1423 1431 1434-1435 1437-1439 1452-1453 1455 1464 1474-1475 1484 1486 1504 1506 1512 1514 1539 1570-1571 1638-1639 1642-1643 1650 1653 1656 1658 1662-1664 1668-1669 1681-1683 1687 1692 1694-1695 1697 1700 1702 1709 1711-1712 1714-1715 1720 1722-1723 1728 1730 1733-1735 1744 1746-1748 1751-1752 1757-1758 1776-1778 1788-1789 1791 1797 1800-1801 1804 1821 1824-1826 1839 1847-1848 1850 1888 1890-1891 1896 1934 1939 1944-1945 1947 1952-1954 1956 1963 1972-1973 1984 2343 2345 2347 2360 2381 2383 2387 2390-2391 2405 2407 2425 2433-2435 2440-2441 2445 2516 2859 2862 2934-2935 2937 2939 2944-2945 2948 2990-2991 3002 3004-3006 3011 3014-3015 3020-3021 3032 3034-3035 3038 3040 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22408 22432-22433 22498-22499 22813-22815 22837 22839 22850-22851 22860 22862-22863 22877 22891 22906-22907 22910 22980-22981 22996 22998 23375 23386-23387 23395 23404-23405 23407 23412 23414-23415 23420 23422 23493 23577 23580-23581 23583 23610 23612 23620-23621 23626 23640-23641 23643-23646 23658-23659 23663 23669 23674-23675 23677 23679 23685 23689 23691 23696 23713 23715 23724-23725 23727 23732 23744-23745 23760-23761 23768 23770-23773 23775 23796-23798 23819 23822 23840 23844 23848 23850 23861 23904 23906 23950-23953 23964 23966 23968 23972-23973 23976-23977 23992 23994 24032 24051 24057 24114-24115 24120-24121 24201-24203 24218 24223 24233 24236-24237 24242 24245 24247 24266-24267 24270 24296-24297 24299-24300 24322 24326-24330 24333 24342 24348 24350 24352 24359 24361 24363 24376 24387 24393 24427 24430 24449 24451 24461 24465-24467 24470 24472 24476-24477 24479 24483 24489 24491 24500 24502 24527 24535 24538 24544 24547 24553 24555 28673-28675 28693-28695 28700 28702-28703 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41629-41630 41633 41635 41642-41643 41646 41648-41649 41651-41652 41655 41658 41668 41670-41673 41675-41678 41681-41682 41684 41686-41689 41691-41694 41707 41712 41714 41720 41728-41730 41737 41739-41742 41765 41772-41773 41775 41786 41789 41791-41792 41794 41797 41799 41805-41810 41818 41828-41829 41831 41840 41843-41844 41846-41847 41849 41852 41856 41858 41861-41864 41868-41869 41871-41872 41874 41877-41878 41885 41892-41893 41920-41922 41928 42003 42008-42010 42016-42017 42034-42035 42038 42040-42042 42077 42079 42101 42103 42112-42113 42116 42134-42135 42139-42142 42145-42148 42150-42151 42153-42157 42159 42161 42163-42166 42168-42170 42172-42173 42175 42177-42178 42181 42190-42192 42197 42202-42203 42206-42207 42212-42213 42216-42218 42220 42225 42227-42229 42231 42233 42239 42247-42248 42250-42251 42253 42255 42257-42260 42262-42263 42276-42278 42280 42282 42284 42288-42289 42296 42303 42312-42314 42316 42318 42321 42323-42324 42327 42329 42331 42333-42336 42341 42343 42349 42351 42353-42354 42360-42361 42363 42370-42371 42374-42375 42380 42383 42387 42390 42393-42396 42398-42402 42405 42408 42410-42411 42416-42417 42419 42437-42439 42442-42443 42445-42447 42449-42451 42456 42458 42462 42480 42482 42486-42488 42492 42496-42497 42500 42516 42548 42579 42585 42587 42756 42758 42760-42762 42838 42840-42841 42843 42865 42868-42869 43009-43013 43021-43023 43030-43034 43036-43037 43040-43042 43052 43054 43056 43073 43076 43136-43138 43140 43279 43290 43300-43301 43312 47270-47271 47280 47282-47283 47286 47617 47619 47625 47640-47642 47648-47650 47652 47657-47658 47744 47746-47747 47753-47755 47776-47778 47791 47802-47803 47807 1.9867573869263685e-19 3.916500758235022e-19 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/618/A93?format=ascii default J/A+A/618/A93/table1 Summary of mean parameters for the OCs characterised in this study SimbadName Simbad column added by the CDS meta.id char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Cluster Cluster name (cluster) meta.id.parent char RAJ2000 [] Mean right ascension of members (J2000) (ra) deg pos.eq.ra;meta.main DEJ2000 Mean declination of members (J2000) (dec) deg pos.eq.dec;meta.main GLON Mean Galactic longitude of members (l) deg pos.galactic.lon GLAT Mean Galactic latitude of members (b) deg pos.galactic.lat float r50 Radius containing half the members (r50) deg phys.angSize;src float Nstars Number of members (probability over 0.5) (nbstars) meta.number int pmRA Mean proper motion along RA of members (pmra) mas/yr pos.pm;pos.eq.ra float s_pmRA Standard deviation of pmRA of members (sigpmra) mas/yr stat.stdev;pos.pm;pos.eq.ra float e_pmRA Standard deviation of pmRA of members over square root of nbstars (uncertpmra) mas/yr stat.error;pos.pm;pos.eq.ra float pmDE Mean proper motion along DE of members(pmdec) mas/yr pos.pm;pos.eq.dec float s_pmDE Standard deviation of pmdec of members (sigpmdec) mas/yr stat.stdev float e_pmDE Standard deviation of pmdec of members over square root of nbstars (uncertpmdec) mas/yr stat.error;pos.pm;pos.eq.dec float plx Mean parallax of members (par) mas pos.parallax.trig float s_plx Standard deviation of parallax of members (sigpar) mas stat.stdev;pos.parallax float e_plx Standard deviation of parallax of members over square root of nbstars (uncertpar) mas stat.error;pos.parallax float d05 5th percentile distance confidence interval (d05) pc stat.error float d16 16th percentile distance confidence interval (d16) pc stat.error float dmode Most likely distance (dmode) pc pos.distance float d84 84th percentile distance confidence interval (d84) pc stat.error float d95 95th percentile distance confidence interval (d95) pc stat.error float dmode+01 Distance if +0.1mas added to parallax (dmodePLUS01) pc pos.distance float dmode-01 ? Distance if -0.1mas added to parallax null if mean parallax under 0.1mas (dmodeMINUS01) pc pos.distance float nullable X X coordinate in Galactic coordinates (X) pc pos.cartesian.x;pos.galactic double Y Y coordinate in Galactic coordinates (Y) pc pos.cartesian.y;pos.galactic double Z Z coordinate in Galactic coordinates (Z) pc pos.cartesian.z;pos.galactic float Rgc Distance from Galactic centre assuming the Sun is at 8340pc (Rgc) pc pos.distance float
J/A+A/618/A93/members Membership probabilities of all individual stars SimbadName Simbad column added by the CDS meta.id char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int RA_ICRS [] Gaia DR2 right ascension (ICRS) at Ep=2015.5 (ra) deg pos.eq.ra;meta.main indexed DE_ICRS Gaia DR2 declination (ICRS) at Ep=2015.5 (dec) deg pos.eq.dec;meta.main indexed Source Gaia DR2 source_id (source_id) meta.id;meta.main GLON [] Gaia DR2 Galactic longitude (l) deg pos.galactic.lon GLAT Gaia DR2 Galactic latitude (b) deg pos.galactic.lat double plx Gaia DR2 parallax (parallax) mas pos.parallax.trig double e_plx Gaia DR2 parallax error (parallax_error) mas stat.error;pos.parallax float pmRA Gaia DR2 proper motion along RA (pmra) mas/yr pos.pm;pos.eq.ra double e_pmRA Gaia DR2 pmRA error (pmra_error) mas/yr stat.error;pos.pm;pos.eq.ra float pmDE Gaia DR2 proper motion along DE (pmdec) mas/yr pos.pm;pos.eq.dec double e_pmDE Gaia DR2 pmDE error (pmdec_error) mas/yr stat.error;pos.pm;pos.eq.dec float RADEcor Gaia DR2 correlation factor (ra_dec_corr) stat.correlation RAPlxcor Gaia DR2 correlation factor (ra_parallax_corr) stat.correlation RApmRAcor Gaia DR2 correlation factor (ra_pmra_corr) stat.correlation RApmDEcor Gaia DR2 correlation factor (ra_pmdec_corr) stat.correlation DEPlxcor Gaia DR2 correlation factor (dec_parallax_corr) stat.correlation DEpmRAcor Gaia DR2 correlation factor (dec_pmra_corr) stat.correlation DEpmDEcor Gaia DR2 correlation factor (dec_pmdec_corr) stat.correlation PlxpmRAcor Gaia DR2 correlation factor (parallax_pmra_corr) stat.correlation float PlxpmDEcor Gaia DR2 correlation factor (parallax_pmdec_corr) stat.correlation float pmRApmDEcor Gaia DR2 correlation factor (pmra_pmdec_corr) stat.correlation float o_Gmag Gaia DR2 number of G observations (phot_g_n_obs) meta.number int Gmag Gaia DR2 mean G magnitude (phot_g_mean_mag) mag phot.mag;em.opt double BP-RP ? Gaia DR2 BP minus RP colour null if missing in DR2 (bp_rp) mag phot.color;em.opt.B;em.opt.R double nullable PMemb Membership probability (proba) stat.fit.goodness float Cluster Corresponding cluster (cluster) meta.id.parent char _RA.icrs Right ascension (ICRS) at Epoch=J2000, proper motions taken into account deg pos.eq.ra nullable indexed _DE.icrs Declination (ICRS) at Epoch=J2000, proper motions taken into account deg pos.eq.dec nullable indexed