Gaia EDR3 members stars of 55 FoF groups J/ApJ/928/70 ivo://CDS.VizieR/J/ApJ/928/70 doi:10.26093/cds/vizier.19280070 CDS Coronado J. Furnkranz V. Rix H.-W. 2024-11-06T20:24:32Z 2024-02-27T12:34:27Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr milky-way-galaxy stellar-associations open-star-clusters Stars originate from the dense interstellar medium, which exhibits filamentary structure to scales of ~1kpc in galaxies like our Milky Way. We explore quantitatively how much resulting large-scale correlation there is among different stellar clusters and associations in orbit-phase space, characterized here by actions and angles. As a starting point, we identified 55 prominent stellar overdensities in the 6D space of orbit (actions) and orbit-phase (angles) among the ~2.8 million stars with radial velocities from Gaia EDR3 and with d<=800pc. We then explored the orbit-phase distribution of all sample stars in the same orbit patch as any one of these 55 overdensities. We find that very commonly numerous other distinct orbit-phase overdensities exist along these same orbits, like pearls on a string. These "pearls" range from known stellar clusters to loose, unrecognized associations. Among orbit patches defined by one initial orbit-phase overdensity, 50% contain at least 8 additional orbit-phase pearls of 10 cataloged members; 20% of them contain 20 additional pearls. This is in contrast to matching orbit patches sampled from a smooth mock catalog, or offset nearby orbit patches, where there are only 2 (or 5, respectively) comparable pearls. Our findings quantify for the first time how common it is for star clusters and associations to form at distinct orbit-phases of nearly the same orbit. This may eventually offer a new way to probe the 6D orbit structure of the filamentary interstellar medium. 2022ApJ...928...70C https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/928/70 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to B/ocl : Optically visible open clusters and Candidates (Dias+ 2002-2015) I/352 : Distances to 1.47 billion stars in Gaia EDR3 (Bailer-Jones+, 2021) J/A+A/331/81 : Hyades membership (Perryman+ 1998) J/AcA/50/355 : OGLE Multiple Cluster Candidates in LMC (Pietrzynski+, 2000) J/A+A/379/136 : UBVRI photometry of 3 young open clusters (Carraro+, 2001) J/A+A/391/547 : Binary and multiple clusters in the LMC (Dieball+, 2002) J/A+A/438/1163 : Catalogue of Open Cluster Data (COCD) (Kharchenko+, 2005) J/MNRAS/403/996 : Clusters and associations in SMC and LMC (Bonatto+, 2010) J/ApJ/795/161 : Activity & rotation in Praesepe & Hyades (Douglas+, 2014) J/MNRAS/442/2081 : Praesepe members light curves (Kovacs+, 2014) J/ApJ/783/130 : Parallaxes of high mass star forming regions (Reid+, 2014) J/A+A/586/A41 : LMC star clusters catalog (Palma+, 2016) J/A+A/600/A106 : RAVE open cluster pairs, groups & complexes (Conrad+, 2017) J/A+A/601/A70 : GES: pre-main-sequence clusters [Fe/H] (Spina+, 2017) J/ApJ/862/138 : BANYAN. XIII. Nearby young assoc. with Gaia (Gagne+, 2018) J/A+A/619/A155 : Open cluster kinematics with Gaia DR2 (Soubiran+, 2018) J/A+A/615/A12 : Nearby open clusters TGAS and HSOY reanalysis (Yen+, 2018) J/AJ/158/77 : Members of the Pisces-Eridanus stream (Curtis+, 2019) J/A+A/622/A110 : Spectroscopic membership for NGC 3532 (Fritzewski+, 2019) J/A+A/624/L11 : Coma Berenices neighbor moving group (Fuernkranz+, 2019) J/AJ/158/122 : Local structure & SFH of the MW (Kounkel+, 2019) J/A+A/622/L13 : Stellar stream in Gaia DR2 discovery (Meingast+, 2019) J/ApJ/877/12 : ComaBer & a Neighbor Stellar Group tidal tails (Tang+, 2019) J/A+A/633/A99 : Gaia DR2 open clusters in the MW. II (Cantat-Gaudin+, 2020) J/MNRAS/496/2422 : Abund. of 42 Pisces-Eridanus stream stars (Hawkins+, 2020) J/A+A/639/A64 : Extended Meingast 1 source catalogue (Ratzenboeck+, 2020) J/A+A/645/A84 : Coronae of nearby star clusters (Meingast+, 2021) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/928/70 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/928/70 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/928/70 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/928/70 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/928/70 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/928/70 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJ/928/70/table1 (Identified member stars of the 55 friends-of-friends algorithm (FoF) groups) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/928/70/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/928/70/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/928/70/table1? 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42630 42634-42635 42640 42649 42651 42653-42654 42658-42660 42662-42666 42672 42681-42685 42687 42689 42693-42694 42696 42698-42699 42701 42706-42708 42710 42712 42714-42715 42719 42725 42728 42730 42733-42735 42737 42739-42740 42754 42756-42757 42766 42768 42777 42780 42782 42789 42791-42792 42799-42800 42809-42810 42812 42816 42827 42831 42837 42849 42852 42854 42861 42882 42886 42888-42890 42892 42898 42901 42905-42907 42910 42912 42917 42925 42929 42934 42937 42943 42947 42949 42952-42953 42955 42958 42963 42970 42977 42981 42985 42988 42990-42991 43014 43019 43026 43029 43032 43034-43035 43037-43039 43047 43055 43059-43060 43063 43067-43068 43073 43082 43085-43086 43088 43090 43094 43100 43102-43103 43105 43107 43112-43113 43117 43119-43121 43123 43130 43132-43133 43136-43137 43139 43147-43150 43152 43157 43161-43162 43168-43170 43180 43182-43183 43187 43194-43195 43197-43198 43201-43203 43205-43206 43208-43210 43213-43214 43220 43230 43232 43236-43237 43246-43247 43251 43254 43257-43258 43272 43274 43278 43287 43296 43299 43316 43321 43330 43332-43333 43337-43339 43341-43344 43346-43349 43372-43373 43377 43383 43390 43394-43395 43397-43398 43401 43403-43404 43408 43412 43414-43415 43417 43420-43421 43424-43425 43427 43429 43432-43433 43435 43448 43457 43464 43479 43512 43520 43522-43523 43525 43527 43529 43531-43533 43535 43543 43553 43557 43559 43570 43587-43588 43592 43595 43603 43608 43616 43631 43642 43663 43690 43693 43759 43773 43777 43783 43799 43814 43824 43839 43877 43898 44034 44036 44040 44044 44047 44051-44052 44054-44056 44058-44059 44061-44062 44065 44069 44072 44075-44076 44078 44081 44087-44088 44094 44099 44103-44105 44111 44113-44115 44120-44121 44132-44133 44136-44137 44145-44146 44157 44162 44175 44178 44196 44233 44252 44255 44289 44295 44299-44300 44302-44303 44306-44308 44310 44313-44315 44317-44318 44320-44321 44337 44352 44361 44368-44369 44371 44377 44380 44385-44386 44394 44396-44397 44400 44404 44416 44422 44424 44435 44442 44523 44531 44568 44590 44791 44796 44950 44960-44961 45090 45104 45120 45133 45156 45182 45186 45229 45242 45252 45260 45269 45280 45308 45335 45338 45373 45382 45405 45437 45441 45471 45475 45507 45513 45538 45542 45544 45549 45568 45590 45608 45612 45621-45622 45649 45656 45675 45681 45731 45739 45815 45829 45841 45863 45865 45876 45975 46002 46014 46100 46167 46172 46206 46213 46267 46367 46383 46390 46420 46529 46625 46632 46641 46674 46692 46706 46742 46776 46839 46857-46858 46917 46919 46932 46976 47015 47021-47022 47071 47095 47097 47105 47127 47151 47154 47165 47174 47242 47256-47257 47263-47264 47266-47267 47273 47278 47291 47297 47320 47336 47344 47364 47374 47387 47399 47402 47413 47424 47427 47457 47464 47479 47499 47550 47596 47616-47617 47629 47632 47634-47636 47641-47642 47654 47658 47662 47670 47683 47685 47694 47706 47720 47729 47737 47741-47742 47744 47746 47750 47789-47790 47806 47809 47820 47830 47832 47838 47845 47862 47864 47884 47912 47920 47952 48003 48015 48035 48037 48039-48041 48045 48048 48050 48052 48056-48057 48060 48062 48084 48096 48287 48291 48322 48376 48388 48400 48433 48443-48444 48447 48482 48484 48497 48502 48517 48526 48559-48560 48562 48565 48574 48583 48616 48634 48776 48794 48820 48859 48861 48916 48949 48972 48976 49007 49106 49135 49149 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/928/70?format=ascii default J/ApJ/928/70/table1 Identified member stars of the 55 friends-of-friends algorithm (FoF) groups GroupID [1/55] Group ID meta.id.parent int 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 GaiaEDR3 Gaia EDR3 Source ID meta.id;meta.main JR [0.0058/44.2] Radial action kpc.km/s arith.grad;phys.veloc float Jz [0.0004/2.4] Vertical action kpc.km/s arith.grad;phys.veloc float Jphi [1552.7/1931.6] Azimutal action (angular momentum) kpc.km/s phys.angMomentum double AngleR [-180/180] Radial angle, {theta}_R_ deg pos.posAng double Anglez [-180/180] Vertical angle, {theta}_z_ deg pos.posAng double Anglephi [-11/17.5] Azimuthal angle, {theta}_{phi}_ deg pos.posAng double _RA Calculated Barycentric right ascension (ICRS) at Ep=2000.0 from Gaia EDR3 (I/350) (right ascension part) deg pos.eq.ra;meta.main _DE Calculated Barycentric right ascension (ICRS) at Ep=2000.0 from Gaia EDR3 (I/350) (declination part) deg pos.eq.dec;meta.main
J/ApJ/928/70/table2 Properties of the 55 initial groups recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int GroupID [1/55] Group ID meta.id;meta.main int primary Nstar [20/638] Number of members meta.number int JR [0.58/41] Group mean radial action kpc.km/s arith.grad;phys.veloc;stat.mean float Jz [0.06/2.1] Group mean vertical action kpc.km/s arith.grad;phys.veloc;stat.mean float Jphi [1566/1925] Group mean azimutal action (angular momentum) kpc.km/s phys.angMomentum;stat.mean float AngleR [-164/173] Group mean radial angle deg pos.posAng;stat.mean float Anglez [-172/165] Group mean vertical angle deg pos.posAng;stat.mean float Anglephi [-10/17] Group mean azimuthal angle deg pos.posAng;stat.mean float