J/AJ/147/87ivo://CDS.VizieR/J/AJ/147/87doi:10.26093/cds/vizier.51470087CDSTokovinin A.2017-09-27T05:55:47Z2014-11-14T15:23:04ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frmultiple-starsdwarf-starsf-starsstellar-massesStatistics of hierarchical multiplicity among solar-type dwarfs are studied using the distance-limited sample of 4847 targets presented in the accompanying Paper I. Known facts about binaries (multiplicity fraction 0.46, lognormal period distribution with median period 100yr and logarithmic dispersion 2.4, and nearly uniform mass-ratio distribution independent of the period) are confirmed with a high statistical significance. The fraction of hierarchies with three or more components is 0.13+/-0.01, and the fractions of targets with n=1,2,3,... components are 54:33:8:4:1. Subsystems in the secondary components are almost as frequent as in the primary components, but in half of such cases both inner pairs are present. The high frequency of those 2+2 hierarchies (4%) suggests that both inner pairs were formed by a common process. The statistics of hierarchies can be reproduced by simulations, assuming that the field is a mixture coming from binary-rich and binary-poor environments. Periods of the outer and inner binaries are selected recursively from the same lognormal distribution, subject to the stability constraint and accounting for the correlation between inner subsystems. The simulator can be used to evaluate the frequency of multiple systems with specified parameters. However, it does not reproduce the observed excess of inner periods shorter than 10days, caused by tidal evolution.2014AJ....147...87Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/147/87CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/141/52 : Low-mass visual companions to nearby G-dwarfsJ/MNRAS/389/925 : Triple and quadruple stars (Tokovinin, 2008)J/A+A/450/681 : Companions to close spectroscopic binaries (Tokovinin+, 2006)J/A+A/382/118 : Spectroscopic sub-systems in multiple starsJ/A+A/380/238 : Long-period companions of multiple stars (Shatsky, 2001)J/A+AS/124/75 : Multiple star catalogue (MSC) (Tokovinin 1997-1999)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/147/87https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/147/87http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/147/87https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/147/87https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/147/87http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/147/87GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/147/87/table1 (Statistical data on the FG-67 sample of binaries (stars of 0.9-1.5M_{sun}_ within 67pc))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/147/87/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/147/87/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/147/87/table1?GETtext/xml+votable180.050000true0.14308472-53.097713610.0055555555555555566/9 28 46 49 75 79 188 254 303 309 313 314 338 341 350 359 411 417 493 508 535 542 601 618 701 706 725 747 750 752 765 781 784 788 798 861 900 934 940 987 989 1024 1032 1063 1084 1108 1164 1201 1216 1247 1288 1362 1381 1411 1415 1433 1452 1510 1531 1542 1545 1550 1587 1597 1603 1611 1613 1639 1642 1654 1673 1686 1687 1694 1706 1739 1790 1808 1862 1865 1888 1904 1926 1940 1947 1964 2021 2027 2042 2072 2076 2127 2169 2213 2242 2254 2286 2290 2317 2323 2366 2374 2381 2391 2455 2472 2476 2493 2535 2562 2623 2636 2639 2669 2704 2771 2778 2789 2793 2837 2908 2912 2917 2940 2953 3006 3011 3020 3049 3060 3083 3118 3200 3238 3249 3296 3304 3307 3313 3321 3328 3363 3370 3398 3408 3468 3500 3525 3551 3569 3650 3738 3741 3783 3805 3864 3870 3888 3929 4062 4079 4128 4129 4164 4184 4225 4227 4240 4241 4274 4292 4308 4316 4333 4356 4388 4460 4491 4569 4591 4597 4611 4640 4645 4661 4697 4702 4797 4871 4879 4881 4895 4917 4926 4980 5013 5044 5053 5059 5071 5091 5095 5102 5108 5113 5154 5166 5299 5304 5413 5447 5476 5483 5498 5527 5531 5537 5663 5668 5670 5702 5711 5721 5731 5758 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39893 39950 39954 40000 40101 40131 40146 40193 40233 40271 40287 40290 40293 40317 40386 40515 40530 40679 40686 40712 40739 40802 40819 40823 40880 40893 40901 40985 41062 41136 41164 41221 41239 41255 41264 41272 41290 41371 41382 41429 41458 41549 41556 41557 41562 41564 41570 41631 41678 41701 41708 41721 41763 41861 41903 41935 41937 41941 41965 41972 42063 42093 42102 42151 42171 42206 42216 42228 42271 42278 42281 42319 42344 42355 42428 42438 42457 42463 42465 42468 42479 42564 42618 42646 42656 42706 42780 42824 42887 42899 42903 43010 43023 43030 43062 43072 43101 43153 43277 43290 43321 43398 43428 43430 43455 43498 43540 43556 43595 43655 43677 43680 43797 43803 43822 43852 43856 43858 43902 43906 43911 43962 43989 43998 44054 44078 44082 44113 44123 44127 44150 44183 44205 44220 44226 44228 44406 44411 44417 44494 44530 44542 44549 44585 44607 44626 44639 44740 44753 44792 44879 44887 44920 44981 44999 45014 45029 45062 45082 45090 45099 45137 45154 45168 45175 45182 45258 45272 45388 45396 45397 45420 45422 45472 45535 45549 45551 45554 45602 45605 45620 45622 45627 45639 45654 45678 45687 45745 45773 45799 45843 45865 45874 45893 45921 45929 45934 45988 46024 46030 46053 46065 46080 46117 46189 46197 46203 46247 46255 46291 46293 46306 46320 46381 46383 46432 46466 46473 46481 46526 46544 46574 46593 46619 46626 46629 46678 46685 46689 46721 46728 46767 46790 46967 46987 47024 47069 47107 47137 47176 47188 47211 47234 47235 47249 47254 47351 47398 47429 47430 47461 47463 47502 47561 47576 47579 47606 47626 47663 47705 47730 47742 47754 47791 47842 47907 47910 47919 47930 47945 47949 48022 48026 48120 48212 48223 48230 48231 48249 48258 48274 48283 48313 48345 48367 48383 48405 48470 48511 48523 48579 48581 48599 48713 48764 48789 48846 48865 48883 48893 48905 48915 49015 49026 49037 49060 49089 49118 49121 49122https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/147/87?format=asciidefaultJ/AJ/147/87/table1Statistical data on the FG-67 sample of binaries (stars of 0.9-1.5M_{sun}_ within 67pc)P1Details of the system from Paper I (J/AJ/147/86, table 5)meta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPosition from Hipparcos (van Leeuwen 2007, I/311) (right ascension part)degpos.eq.ra;meta.main_DEPosition from Hipparcos (van Leeuwen 2007, I/311) (declination part)degpos.eq.dec;meta.mainrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHIP0Hipparcos number of primary componentmeta.id;meta.mainintL[1/121] Hierarchical level (1)meta.code.classintTypeType of system (2)src.classcharlogP? Logarithm of orbital period log_10_(P/1day)log(d)time.periodfloatnullableM1[0.05/4.4] System mass of the primary (3)solMassphys.massfloatM2[0.02/2.8]? System mass of the secondary (3)solMassphys.massfloatnullableM1p[0.05/2.0] Mass of primary of (1) subsystem (3)solMassphys.massfloatM2p[0.02/1.7]? Mass of primary of (2) susbsystem (3)solMassphys.massfloatnullable