Spectroscopic binaries from LAMOST MRS DR9 J/ApJS/276/11 ivo://CDS.VizieR/J/ApJS/276/11 doi:10.26093/cds/vizier/bb-8m-b CDS Li S.-S. Li C.-Q. Li C.-H. Fan D.-W. Xu Y.-F. Mi L.-Y. Cui C.-Z.,Shi J.-R. 2026-08-03T07:25:54Z 2025-11-28T13:03:54Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr spectroscopic-binary-stars visible-astronomy spectroscopy radial-velocity We utilize a hybrid approach that integrates the traditional cross-correlation function (CCF) and machine learning to detect spectroscopic multiple star systems, specifically focusing on double-line spectroscopic binaries (SB2s). Based on the ninth data release (DR9) of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST), which includes a medium-resolution survey (MRS) containing 29,920,588 spectra, we identify 27,164 double-line and 3124 triple-line spectra, corresponding to 7096 SB2 candidates and 1903 triple-line spectroscopic binary (SB3) candidates, respectively, representing about 1% of the selected data set from LAMOST-MRS DR9. Notably, 70.1% of the SB2 candidates and 89.6% of the SB3 candidates are newly identified. Compared to using only the traditional CCF technique, our method significantly improves the efficiency of detecting SB2s, saving time on visual inspections by a factor of 4. 2025ApJS..276...11L https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/276/11 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to B/sb9 : SB9: 9th Catalogue of Spectroscopic Binary Orbits (Pourbaix+ 2004-2014) B/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2020) V/122 : SB9: 9th Catalogue of Spectroscopic Binary Orbits (Pourbaix+ 2005) V/156 : LAMOST DR7 catalogs (Luo+, 2019) I/357 : Gaia DR3 Part 3. Non-single stars (Gaia Collaboration, 2022) J/AJ/140/184 : RAVE double-lined spectroscopic binaries (Matijevic+, 2010) J/ApJS/190/1 : A survey of stellar families (Raghavan+, 2010) J/MNRAS/416/817 : RV catalog of O-type stars in IC 2944 & Cen OB2 (Sana+, 2011) J/MNRAS/448/822 : LAMOST candidate members of star clusters (Xiang+, 2015) J/AJ/151/68 : Kepler Mission. VII. Eclipsing binaries in DR3 (Kirk+, 2016) J/A+A/608/A95 : GES: multi-line spectroscopic binary cand. (Merle+, 2017) J/AJ/156/18 : APOGEEDR14: companions of evolved stars (Price-Whelan+, 2018) J/AJ/158/155 : SB candidates from the RAVE & Gaia DR2 surveys (Birko+, 2019) J/other/RAA/19.64 : LAMOST sp. binaries & variable stars (Qian+, 2019) J/A+A/635/A155 : Gaia-ESO Survey SB1 catalogue (Merle+, 2020) J/A+A/643/A122 : Active deep learning in large sp. surveys (Skoda+, 2020) J/ApJS/249/22 : Radial velocity variable stars from LAMOST DR4 (Tian+, 2020) J/A+A/638/A145 : GALAH survey. FGK binary stars (Traven+, 2020) J/ApJS/258/16 : TESS Eclipsing Binary stars. I. Sectors 1-26 (Prsa+, 2022) J/A+A/666/A121 : Cluster target Giraffe HR15N RV precision (Randich+, 2022) J/ApJS/258/26 : Spectroscopic binaries from LAMOST MRS. I. (Zhang+, 2022) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/276/11 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/276/11 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/276/11 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/276/11 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/276/11 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/276/11 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJS/276/11/table3 (Classification outcomes, including RVs and associated errors) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/276/11/table3? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/276/11/table3? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/276/11/table3? GET text/xml+votable 180.0 50000 true 0.01192889 55.57344111 0.005555555555555556 Cone search capability for table J/ApJS/276/11/table4 (List of common SB2 and SB3 candidates with other binary catalogs) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/276/11/table4? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/276/11/table4? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/276/11/table4? GET text/xml+votable 180.0 50000 true 0.29117889 58.695535 0.005555555555555556 4/91 113 203 1390 1401 1485 1497 1499-1500 1502 1515 5/84 113 116 118 124 211 217 239 257 261 268-269 272 281 289 294 296 321 324-326 336-337 340 353-355 358 360 363 386 407 418 431 434-435 441-443 458-459 480-482 488 490-491 498 581 599 604 608 618-620 622 629 631 704-705 708 725-727 732 734-735 749-750 755-756 760-762 783-786 794 797 799 805-807 811 816 821 831-834 840 842 872 896-898 900 1063 1068-1069 1074 1079-1080 1086 1154-1155 1163 1165 1167 1170 1175-1176 1184 1219 1224-1225 1230 1378 1449 1452 1521 1548 1550 1561 1568 1572 1611 1614 1635 1653 1696 1704 2745 3191 3357 3365 3412 3499 3527 3533 3536 3538 3544 3665 3667 3674 3733-3734 3776-3777 4511 4590 5106-5107 5464 5466-5467 5489 5556-5557 5559 5566 5601 5713 5715-5716 5718 5720 5745 5748 5883-5884 5886 5899 5908-5909 5918 5937 5952 5965 5967 5969 5971-5972 5974 5977-5980 5985 5987 6004 6006 6021 6072-6074 6081 6083-6086 6094-6096 6110 6113-6114 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23904 23906-23907 23928 23930 23936 23945 23947 23972-23973 23975 23981-23983 24022-24023 24029-24031 24048-24049 24051 24054 24056 24061-24063 24076 24080-24081 24088-24090 24092-24093 24128 24130-24131 24136 24138 24158-24159 24180 24193-24195 24219 24222-24223 24230 24234-24235 24237-24238 24263 24266 24282 24285 24301 24303-24304 24307-24309 24316-24317 24321-24322 24329 24348-24350 24357 24368-24369 24371-24372 24374-24375 24388-24389 24392-24393 24395 24397-24401 24403 24406-24408 24413 24415 24417-24418 24420 24424 24426-24427 24430-24431 24444 24446-24447 24451 24460-24461 24463 24473 24475-24477 24485-24486 24488-24490 24492 24494-24496 24512 24514-24515 24540 24542-24543 24547 24549-24550 24556-24557 24559 24569-24571 24573 24575 25719 25724 25726-25727 25814 25993 26006 26011 26020 26023 26025 26033 26037 26157 26169 26198 26202 26224 26231 26244-26245 26247 26253 26265 26291 26300 26305 26312 26315 26373 26382 26404 26416 26491 26500 26577 26581 26585 26614 26982-26983 26987 26990-26991 26994 27000-27002 27006 27072 27076-27077 27079-27081 27084 27088-27089 27092-27093 27097 27099 27104 27110 27120 27127 27132 27134 27147-27148 27160 27173-27175 27179 27181-27183 27186-27187 27190 27196 27198 27255 27259 27268 27271 27280-27282 27328 27335 27409-27411 27415 27417 27420 27423 27441 27443-27444 27446-27447 27449 27458 27466 27468 27482-27483 27488 27490 27493-27496 27500-27501 27506-27507 27512-27513 27515 27581 27583 27623 27627 27630 27644 27647 27656 27659 27661-27662 27666 27698 27778 27861 27918 27940 27945 27976 27978 27980 28000 28014 28016 28022 28026 28049 28053 28062 28068 28084 28092-28093 28101-28102 28104 28106 28116 28138 28145 28150 28158 28208 28307 28317 28342-28343 28345 28355 28362 28385 28411 28413 28443 28462 28473 28482 28487-28488 28494 28509 28513 28542 28558 28581 28583 28585-28586 28592 28597 28604-28605 28619 28622-28623 28626 28637 28639 28644 28646-28648 28650-28652 28654 28663-28664 30030 30035 30038 30040-30041 30043 30047 30064 30212 30214 30216 30218-30222 30245-30247 30845 30847 30946 30955 30957 31009 31020 31032 31034 31109 31120 31301 31399 31404 31418 31422 31485 31487 31659 31686-31687 31689 31695 31719 31730 31754 31776-31778 31781-31782 31788 31790 31872 31907 31913 31916 31918-31919 31931 31934 31971 31977 31980-31981 31983 32183 32189 32256-32257 32260-32261 32263-32264 32268 32273 32276 32280 32290 32322 32324 32327-32328 32337 32341 32347 32351 32369 32381-32382 32446 32454 32456 32458 32482-32483 32500 32503 32510 32521 32523 32529 32532 32534 32539 32545-32549 32551-32553 32555-32556 32559 32571 32576 32580-32581 32583 32585 32588 32591-32592 32601 32603 32608 32615-32616 32630 32652 32654 32658 32660 32663-32664 32666 32671 32703 32705 32715 32731 32742 32760 44954 44967 44979 49148 1.9867573869263685e-19 3.916500758235022e-19 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/276/11?format=ascii Optical default J/ApJS/276/11/table3 Classification outcomes, including RVs and associated errors recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int RAJ2000 Right ascension (J2000) deg pos.eq.ra;meta.main indexed DEJ2000 [-10/89] Declination (J2000) deg pos.eq.dec;meta.main indexed GaiaDR3 Gaia DR3 Source identifier (1) meta.id;meta.main primary m_GaiaDR3 Number of LAMOST spectra for this source meta.code.multip int nullable Gmag [5.9/18.6] Apparent G magnitude from Gaia DR3 (1) mag phot.mag;em.opt float Mult Multiplicity of spectroscopic binary candidates (SB2 or SB3) meta.code.multip char PlanID Plan name from LAMOST-MRS meta.id;obs char SpID [1/16] Spectrograph ID from LAMOST-MRS meta.note int Fiber [1/250] Fiber ID of the target from LAMOST-MRS meta.id int LMJm [83555758/85491560] Local modified Julian Minute at the start of exposure (2) time.epoch int S/N [5/447] Signal-to-Noise ratio representing the median S/N of all pixels stat.snr float RVel1 [-402/274] Radial velocity for the first component (3) km/s spect.dopplerVeloc float e_RVel1 [0.02/87]? Uncertainty in RVel1 km/s stat.error float nullable RVel2 [-217/407] Radial velocity for the second component (3) km/s spect.dopplerVeloc float e_RVel2 [0.02/67]? Uncertainty in RVel2 km/s stat.error float nullable RVel3 [-61/305]? Radial velocity for the third component (3) km/s spect.dopplerVeloc float nullable e_RVel3 [0.04/72]? Uncertainty in RVel3 km/s stat.error float nullable SB SB2 and SB3 candidates with other binary catalogs (link to Table 4) meta.ref.url char DR7 Display data from LAMOST DR7 (V/156) if any meta.ref.url char
J/ApJS/276/11/table4 List of common SB2 and SB3 candidates with other binary catalogs GaiaDR3 Gaia DR3 Source identifier meta.id;meta.main 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 RAJ2000 Right ascension in decimal degrees (J2000) deg pos.eq.ra;meta.main DEJ2000 [-8/80] Declination in decimal degrees (J2000) deg pos.eq.dec;meta.main Gmag [7.6/15.1] Apparent G magnitude from Gaia DR3 mag phot.mag;em.opt float Mult SB2 or SB3 candidates (1) src.class char NExp [1/64] Number of exposures of this candidate in LAMOST-MRS meta.number int Comm The catalogs in which this candidate is included; see Section 4.1 (2) meta.note char