Structural parameters of 389 local open clusters J/A+A/659/A59 ivo://CDS.VizieR/J/A+A/659/A59 doi:10.26093/cds/vizier.36590059 CDS Tarricq Y. Soubiran C. Casamiquela L. Castro-Ginard A. Olivares J.,Miret-Roig N. Galli P.A.B. 2024-03-01T14:00:47Z 2022-03-07T06:54:44Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr open-star-clusters milky-way-galaxy visible-astronomy trigonometric-parallax proper-motions surveys The distribution of member stars in the surroundings of an Open Cluster (OC) can shed light on the process of its formation, evolution and dissolution. The analysis of structural parameters of OCs as a function of their age and position in the Galaxy brings constraints on theoretical models of cluster evolution. The Gaia catalogue is very appropriate to find members of OCs at large distance from their centers. We aim at revisiting the membership lists of OCs from the solar vicinity, in particular by extending these membership lists to the peripheral areas thanks to Gaia EDR3. We then take advantage of these new lists of members to study the morphological properties and the mass segregation levels of the clusters. We used the clustering algorithm HDBSCAN on Gaia parallaxes and proper motions to systematically look for members up to 50pc from the cluster centers. We fitted a King's function on the radial density profile of these clusters and a Gaussian Mixture Model (GMM) on their two dimensional distribution of members to study their shape. We also evaluated the degree of mass segregation of the clusters and the correlations of these parameters with the age and Galactic position of the clusters. Our methodology performs well on 389 clusters out of the 467 selected ones, including several recently discovered clusters that were poorly studied until now. We report the detection of vast coronae around almost all the clusters and report the detection of 71 OCs with tidal tails, multiplying by more than four the number of such structures identified. We find the size of the cores to be on average smaller for old clusters than for young ones. Also, the overall size of the clusters seems to slightly increase with age while the fraction of stars in the halo seems to decrease. As expected the mass segregation is more pronounced in the oldest clusters but a clear trend with age is not seen. OCs are more extended than previously expected, regardless of their age. The decrease in the proportion of stars populating the clusters halos highlights the different cluster evaporation processes and the short timescales they need to affect the clusters. Reported parameters like cluster sizes or mass segregation levels all depend on cluster ages but can not be described as single functions of time. 2022A&A...659A..59T https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/659/A59 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to I/350 : Gaia DR2 (Gaia Collaboration, 2018) J/A+A/640/A1 : Portrait Galactic disc (Cantat-Gaudin+, 2020) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/659/A59 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/659/A59 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/659/A59 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/659/A59 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/659/A59 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/659/A59 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/659/A59/table1 (Mean cluster parameters) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/659/A59/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/659/A59/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/659/A59/table1? GET text/xml+votable 180.0 50000 true 51.8068806884422 34.9448304616837 0.005555555555555556 Cone search capability for table J/A+A/659/A59/table2 (Members) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/659/A59/table2? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/659/A59/table2? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/659/A59/table2? GET text/xml+votable 180.0 50000 true 48.4465881844527 37.7051523923472 0.005555555555555556 3/222 224 336 338 455 658 672 4/28 30 79-82 84 86 88-90 92 97-99 104-105 107 110 112 119-120 147 149-152 157 189-191 193-194 196 200 203 206 224-226 228 230 232 234 237 268 430 812 829 831 872 874-875 877-879 881-883 886 892 900-901 912 914-915 918 920-921 960-961 976 981-983 1299 1335 1360 1376-1377 1380 1382 1386 1498 1512 1518 1520-1521 1794-1796 1800-1802 1807 1811 1814 1817-1819 1829 1840 1842-1843 1864 1866 1888 1890 1902-1903 1914 2001 2334-2335 2343 2349 2351 2354 2357-2359 2361-2362 2366 2369-2371 2376 2400 2437 2448-2450 2452-2453 2460 2493-2494 2582-2583 2589-2591 2597 2602 2610 2613-2614 2616-2618 2626 2637-2639 2647 2650-2652 2654 2661 2678 2695 2699-2700 2976-2977 5/89 91-92 94 116-118 124 126-127 209 212 221 223 241 244-245 247 251-252 254-256 265 268 272-273 279 282 285 295 303-304 306 311 313 315 332-333 335 340 342 348 364 366 375 383 387 402 405 407 413 415 425-427 434-435 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27983 27996 28022 28072 28078-28079 28085 28087 28100 28108 28112 28116 28123 28125 28127 28131 28133-28134 28140-28141 28144 28150-28154 28156 28177 28189 28198 28213 28227 28265 28270 28272 28286-28287 28316 28335 28376-28377 28397 28416 28425 28431-28432 28439-28440 28442 28452-28453 28455 28457 28467 28469-28470 28492 28494-28496 28498-28500 28504 28506 28509 28515-28516 28526 28537 28555 28560 28608 28649 28653 28672-28673 28675-28676 28678 28688-28689 28691 28694-28695 28758 28764 28766 28780 28784-28786 28793 28799 28848-28850 28855-28857 28860 28867-28868 28870-28873 28875 28880 28882-28883 28897-28899 28909 28911 28934-28935 28937 28939 28944 28946-28948 28950-28951 28961 28963 28969 28996-28997 28999 29008-29010 29052 29054-29055 29057-29059 29192 29194-29195 29198 29216 29218 29220 29253 29255 29297 29300-29301 29513 29515 29533 29535 29538-29541 29546 29549 29552-29553 29555 29560-29561 29563 29568 29577 29582-29583 29592-29593 29596-29597 29616 29632 29634 29648-29649 29651-29653 29655 29657 29661 29667 29684 29686 29693 29696-29697 29704 29706-29707 29717 29734-29738 29749 29753-29754 29757-29759 29762 29765-29768 29772-29773 29775 29780 29782-29783 29789 29791-29793 29795 29801 29804 29808-29810 29812-29813 29815-29816 29819-29820 29823 29841-29845 29847 29852-29854 29876-29877 29879 29884 29886 29894 29904-29905 29907 29910-29911 29924-29925 29928 29930 29932-29933 29935 29944-29945 29947-29948 29950 29952 29955 29958 29962-29964 29984 29990 29992-29993 30081-30082 30088-30089 30093 30095 30106 30116 30118-30119 30136 30138 30228 30230 30264 30266-30267 30279-30280 30283 30288 30292-30294 30296 30298 30305-30306 30314 30320-30322 30344-30346 30348 30352 30355-30356 30358 30362-30366 30372-30373 30379 30386-30387 30390-30391 30393-30395 30400-30401 30403 30405 30407 30412 30415-30416 30418 30422 30429-30431 30468-30470 30517 30519 30538-30539 30542-30543 30551 30554-30555 30558 30561 30563 30565-30567 30569 30571-30573 30575 30578-30579 30581-30582 30584 30586-30587 30590 30600 30602 30606 30619-30620 30642-30643 30645-30647 30660-30661 30663 30665 30669 30671 30673-30675 30678-30679 30689-30691 30693 30695 30700 30702-30703 30713 30715 31045-31046 31048-31049 31053 31055 31058-31059 31074 31076 31081 31099 31101 31103 31173 31185 31193 31196 31745-31746 31750-31751 31756-31757 31760-31761 31763 31765-31767 31770-31771 31773-31774 31776-31778 31780 31782 31785 31789 31791-31794 31797 31799 31804 31816 31818-31821 31836-31838 31842 31845-31847 31851 31856 31858-31859 31862-31863 31868 31870 31881 31888 31941 31946 31949 31952 31962-31963 31973-31974 32012-32013 32035 32038 32040 32042-32043 32046 32053 32055 32063 32076 32078-32079 32084 32087-32088 32090-32091 32096 32098-32099 32105-32106 32120 32122-32123 32130 32139-32140 32149 32194-32195 32202 32206-32209 32216 32218-32220 32222 33036 33040-33042 33047 33052 33057 33059-33060 33063 33065 33072 33076-33078 33080 33086 33106-33107 33109-33113 33116 33118 33121-33122 33124-33125 33128 33130 33135 33137-33138 33142 33221 33795-33796 33804 33806 33826 35510-35511 35513 35517 35519 35552 35557 35564-35565 35567-35568 35571 36991 37063 37069 37071 37074 37080-37081 37091 37093 37102 37104 37107 37114 37116-37117 37119 37150 37159 37161-37163 37168-37169 37172-37173 37175-37178 37180-37181 37183 37187 37193 37195 37199-37201 37203-37205 37207-37208 37210 37213-37215 37220 37223 37229 37231 37233 37235 37256-37258 37260 37264 37266 37268 37270-37271 37273-37274 37280-37282 37293 37296 37298 37301 37303 37305-37306 37308-37309 37312-37314 37319 37328 37330-37331 37417 37439 37445 37456 37459 37466-37467 37469-37471 37473 37475 37482-37483 37485-37487 37505 37513 37525 37533 37544-37546 37559 37569-37571 37577-37579 37602 37609-37610 37632-37633 37636 37638 37641-37643 37648 37651-37652 37655 37684-37685 37687-37690 37692-37693 37695 37697-37699 37768-37769 37820-37821 37823 37836 37838 37851-37853 37855 37873 37880 37882-37883 37885-37886 37889-37891 37952-37954 37956-37957 37960 37962-37964 37967 37969 37988 37990-37991 37996 37998 38011 38015 38044-38045 38052-38054 38072 38074-38078 38080 38082 38088 38090 38095 38101 38105-38107 38109-38113 38115 38118-38122 38140 38142-38143 38186 38189 38194 38197-38199 38219 38222 38244 38246-38250 38252 38280 38282 38284 38286-38289 38291-38293 38305 38307 38310-38311 38313-38316 38318 38321 38328-38329 38336 38416 38418 38420-38422 38424 38429 38432 38434 38444 38446 38455 38467 38469-38472 38475 38484 38488-38489 38493-38494 38502-38503 38511 38521 38523 38527 38532 38534-38535 38547 38549 38572 38574 38578 38581 38583 38591 38596 38598-38599 38603 38608 38610 38615 38617 38619-38620 38625-38627 38637 38640-38641 38647 38656-38657 38932-38933 38935 38941 38943 38967 38973-38975 38984-38986 39010 39013 39015 39021-39023 39028-39029 39031-39034 39060-39061 39063 39065 39069 39093 39095 39100 39113-39114 39116-39117 39119 39121-39123 39129-39130 39132-39133 39136 39141 39143 39148-39149 39151 39156 39159 39164-39165 39224-39226 39229 39231 39272-39273 39275 39286 39292-39294 39304-39305 39314 39321 39326-39327 39336 39339 39341 39343 39345-39347 39380 39382 39390-39391 39400-39401 39404-39405 39412 39414 39416-39417 39419 39450 39490 39493 39501-39502 39504-39506 39512 39533 39535 39537 39688 39696-39697 39700 39720 39757 39759 39768-39769 39771 39781 39796-39797 39799-39801 39803 39835-39836 39838-39839 39852-39854 39858-39859 39865 39867 39877 39879-39880 39882-39883 39885-39886 39924-39926 39936 39940 39948-39949 39951 39953-39955 39966 39971-39972 39975 39980-39982 39984-39986 39991 39993-39994 40000-40002 40006 40010 40071 40098 40104 40106 40110 40128 40200 40448 40450-40452 40454-40455 40460-40461 40463 40472 40485-40486 40492 40494 40580-40582 40588 40608-40609 40611 40614-40615 40624 40626-40627 40630-40631 40655 40663 40666-40667 40670 40681 40683 40700 40702-40703 40838 40840 40842 40844 40847 40858-40859 40865 40869-40870 40873-40875 40882-40883 40890 40893 40895 40930 40936-40937 41039 41068 41072 41078 41157 41197-41199 41205-41207 41213-41215 41228 41247 41252-41253 41255 41261 41264 41266-41267 41273 41276-41278 41290-41291 41298-41299 41310-41311 41353-41355 41364 41366 41368-41369 41377-41378 41381-41383 41388 41391-41394 41408 41410 41417-41419 41503 41519 41524 41527 41529-41530 41539 41547 41569-41571 41573-41578 41584-41585 41587 41603 41606 41626 41648 41650-41651 41664 41666-41667 41672-41674 41692-41693 41695-41697 41699 41708-41710 41724-41726 41728 41730-41733 41740-41742 41744 41749 41752 41755-41756 41778-41779 41781-41783 41792-41793 41795 41800-41801 41803 41848-41849 41851 41904-41906 41908-41909 41912 41914-41916 41918 41928-41929 41936-41938 41940-41941 41944 41985-41986 42000-42001 42003 42036-42038 42068-42069 42078-42079 42082-42083 42086 42092-42094 42097-42099 42180 42182 42240-42241 42245-42247 42256 42258-42259 42284-42286 42288-42290 42292 42312-42314 42324-42325 42329-42331 42344 42346-42347 42372 42374-42375 42387 42460-42462 42488-42490 42493-42497 42499-42500 42502-42503 42513-42515 42540-42541 42543 42552-42553 42556-42558 42560 42563 42565-42567 42592-42593 42597 42617 42620 42624-42625 42640 42764-42766 42776 42779 42781-42783 42788 42801-42803 42816-42818 42820-42822 42825-42827 42833-42835 42872-42873 42876 42897 42899 42901-42903 42944 42946 42950 43076-43078 43080 43082-43084 43086 43088 43090-43091 43095-43096 43098-43102 43108-43109 43111 43148 43150 43161 43163 43168-43169 43172-43173 43175 43220-43222 43228 43240 43242-43244 43248 43265 43267 43278-43280 43283 43286-43287 43292 43294 43300-43302 43304-43305 43310-43311 43316-43317 43320-43322 43324 43395-43396 43408 43525 43536-43538 43540 43542 43545 43548 43550 43586 46429 46462 46547 46550 46556 46580 46932 46934-46935 47104 47106 47112 47114 47136 47138-47139 47144 47146 47163 47166 47232 47238-47239 47243 47260-47262 47265-47267 47292-47294 47298 47304 47306 47329-47331 47336 47338 47649-47651 47664-47665 47667-47668 47670 47673-47674 47676-47677 47680 47688 47723 47745-47747 47749-47751 47757 47759 47766 47770 47773-47775 47777 47779 47781-47784 47786-47788 47793-47794 47808 47814-47816 47818 47821 47823 47826 47832 47834-47836 47839-47840 47842-47843 47856-47858 47861-47862 47864 47866-47869 47871 48055 48060-48061 48063 48090 48095 48097-48098 48100-48101 48105 48107 48114 48118-48119 48122-48124 48127 48782 48810 48826 48831 48858 48864 48868 48870 48873-48874 48877 48879 48883 48890-48891 48959 49007 49041-49042 49044 49047 49052-49053 49056 49071 49076 49084 49094-49095 49105 49107 49110 49114-49115 49121 49123 49128 49133 49135-49136 49138-49139 49144 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/659/A59?format=ascii Optical default J/A+A/659/A59/table1 Mean cluster parameters SimbadName Simbad column added by the CDS meta.id char nullable recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int aHalo ? Semi-major axis of the halo pc phys.angSize;src double nullable e_aHalo ? Error on a_halo pc stat.error double nullable bHalo ? Semi-minor axis of the halo pc phys.angSize;src double nullable e_bHalo ? Error on b_halo pc stat.error double nullable NstarsSeg ? Number of stars with mass segregation ratio above 2 meta.number int nullable lambda10 ? Mass segregation ratio of the 10th most massive star phys.mass;arith.ratio double nullable e_lambda10 ? Error on lambda_10 stat.error double nullable _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 Cluster Cluster name meta.id.parent char logAgeNN Cluster age (logt) (1) log(yr) time.age float Dist Distance (1) pc pos.distance float Nstars ? Number of members with proba over 0.5 meta.number int nullable RA_ICRS ? Mean Right Ascension (ICRS) at Ep=2016 deg pos.eq.ra;meta.main nullable DE_ICRS ? Mean Declination (ICRS) at Ep=2016 deg pos.eq.dec;meta.main nullable pmRA ? Mean proper motion along right ascension: pmRA*cosDE mas/yr pos.pm;pos.eq.ra double nullable s_pmRA ? Standard deviation of proper motion in right ascension mas/yr stat.stdev;pos.pm double nullable pmDE ? Mean proper motion in Declination mas/yr pos.pm;pos.eq.dec double nullable s_pmDE ? Standard deviation of proper motion in declination mas/yr stat.stdev;pos.pm double nullable plx ? Mean parallax mas pos.parallax.trig double nullable s_plx ? Standard deviation of parallax mas stat.stdev;pos.parallax double nullable GLON ? Mean Galactic longitude deg pos.galactic.lon nullable GLAT ? Mean Galactic latitude deg pos.galactic.lat double nullable Rc ? Core radius pc phys.size.radius double nullable e_Rc []? Lower error on Rc pc stat.error double nullable Rt ? Tidal radius pc phys.size.radius double nullable e_Rt []? Lower error on Rt pc stat.error double nullable E_Rc []? Upper error on Rc pc stat.error;stat.max double nullable E_Rt ? Upper error on Rt pc stat.error;stat.max double nullable f_Rc ? Flag on Rc convergence meta.code char f_Rt ? Flag on Rt convergence meta.code char b/aCore ? Ratio between semi-minor and semi-major axis of the core phys.size.axisRatio double nullable e_b/aCore ? Error on axis_ratio_core stat.error double nullable b/aTail ? Ratio between semi-minor and semi-major axis of the tail phys.size.axisRatio double nullable e_b/aTail ? Error on axis_ratio_tail stat.error double nullable b/aHalo ? Ratio between semi-minor and semi-major axis of the halo phys.size.axisRatio double nullable e_b/aHalo ? Error on axis_ratio_halo stat.error double nullable WeightCore ? Relative weight of the core stat.weight;phys.atmol double nullable e_WeightCore ? Error on weights_core stat.error double nullable WeightTail ? Relative weight of the tail stat.weight;phys.atmol double nullable e_WeightTail ? Error on weights_tail stat.error double nullable WeightHalo ? Relative weight of the halo stat.weight;phys.atmol double nullable e_WeightHalo ? Error on weights_halo stat.error double nullable AngleCore ? Core orientation with respect to the Galactic plane deg pos.galactic double nullable e_AngleCore ? Error on angle_core deg stat.error double nullable AngleTail ? Tail orientation with respect to the Galactic plane deg pos.galactic double nullable e_AngleTail ? Error on angle_tail deg stat.error double nullable AngleHalo ? Halo orientation with respect to the Galactic plane deg pos.galactic double nullable e_AngleHalo ? Error on angle_halo deg stat.error double nullable aCore ? Semi-major axis of the core pc phys.angSize;src double nullable e_aCore ? Error on a_core pc stat.error double nullable bCore ? Semi-minor axis of the core pc phys.angSize;src double nullable e_bCore ? Error on b_core pc stat.error double nullable aTail ? Semi-major axis of the tail pc phys.angSize;src double nullable e_aTail ? Error on a_tail pc stat.error double nullable bTail ? Semi-minor axis of the tail pc phys.angSize;src double nullable e_bTail ? Error on b_tail pc stat.error double nullable
J/A+A/659/A59/table2 Members recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int GaiaEDR3 Gaia EDR3 source ID meta.id;meta.main RA_ICRS Right Ascension (ICRS) at Ep=2016 deg pos.eq.ra;meta.main indexed e_RA_ICRS Standard error of the right ascension mas stat.error;pos.eq.ra double DE_ICRS Declination (ICRS) at Ep=2016 deg pos.eq.dec;meta.main indexed e_DE_ICRS Standard error of the declination mas stat.error;pos.eq.dec double plx Absolute stellar parallax mas pos.parallax.trig double e_plx Standard error on parallax mas stat.error;pos.parallax double pmRA Proper motion in right ascension direction (pmRA*cosDE) mas/yr pos.pm;pos.eq.ra double e_pmRA Standard error of pmra mas/yr stat.error;pos.pm;pos.eq.ra double pmDE Proper motion in declination mas/yr pos.pm;pos.eq.dec double e_pmDE Standard error of pmDE mas/yr stat.error;pos.pm;pos.eq.dec double plxpmRAcor Correlation between parallax and proper motion in right ascension stat.correlation;pos.pm;pos.eq.ra double plxpmDEcor Correlation between parallax and proper motion in declination stat.correlation;pos.pm;pos.eq.dec double Cluster Cluster name meta.id.parent char Proba Membership probability stat.probability float Simbad Simbad column added by the CDS meta.ref.url char _RA.icrs Right ascension (ICRS) at Epoch=J2000, proper motions taken into account deg pos.eq.ra indexed _DE.icrs Declination (ICRS) at Epoch=J2000, proper motions taken into account deg pos.eq.dec indexed pmRApmDEcor Correlation between proper motion in right ascension and in declination pos.pm;pos.eq.ra double RUWE Renormalised unit weight error stat.error double Gmag G-band mean magnitude mag phot.mag;em.opt double BP-RP ? BP-RP colour index mag phot.color;em.opt.B;em.opt.R double nullable GLON Galactic longitude deg pos.galactic.lon GLAT Galactic latitude deg pos.galactic.lat double