LAMOST spectroscopic binaries & variable stars J/other/RAA/19.6 ivo://CDS.VizieR/J/other/RAA/19.64 doi:10.26093/cds/vizier/dx/bjkge CDS Qian S.-B. Shi X.-D. Zhu L.-Y. Li L.-J. Zhang J. Zhao E.-G.,Han Z.-T. Zhou X. Fang X.-H. Liao W.-P. 2026-02-10T20:07:39Z 2019-10-02T12:19:47Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr spectroscopic-binary-stars variable-stars radial-velocity effective-temperature About 786.4 thousand stars were observed by LAMOST twice or more during the first stage of its spectroscopic survey. The radial velocity differences for about 256 thousand targets are larger than 10km/s and they are possible spectroscopic binary or variable candidates (SBVCs). It is shown that most SBVCs are slightly metal poorer than the Sun. There are two peaks in the temperature distribution of SBVCs around 5760K and 4870K, while there are three peaks in the distribution of the gravitational acceleration at 2.461, 4.171 and 4.621cm/s^2^. The locations of SBVCs on the [Fe/H]-T, [Fe/H]-logg, logg-T and H-R diagrams are investigated. It is found that the detected SBVCs could be classified into four groups. The first group has higher logg~4.621 and lower T~4870K which are mainly cool red dwarf binaries. The second group of SBVCs has logg around 4.171cm/s^2^ that includes binaries and pulsating stars such as {delta} Sct and {gamma} Dor variables. The gravitational accelerations of the third group of SBVCs are higher and some of them are below the zero-age main sequence. They may be contact binaries in which the primary components are losing energy to the secondaries in the common envelopes and are at a special stellar evolutionary stage. The last group is composed of giants or supergiants with logg around 2.461cm/s^2^ that may be evolved pulsating stars. One target (C134624.29+333921.2) is confirmed as an eclipsing binary with a period of 0.65-days. A preliminary analysis suggests that it is a detached binary with a mass ratio of 0.46. The primary fills its critical Roche lobe by about 89%, indicating that mass transfer will occur between the two components. 2019RAA....19...64Q https://cdsarc.cds.unistra.fr/viz-bin/cat/J/other/RAA/19.64 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to V/153 : LAMOST DR4 catalogs (Luo+, 2018) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/other/RAA/19.64 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/other/RAA/19.64 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/other/RAA/19.64 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/other/RAA/19.64 https://vizier.iucaa.in/viz-bin/votable?-source=J/other/RAA/19.64 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/other/RAA/19.64 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/other/RAA/19.64/table1 (Stellar atmospheric parameters for new binary and variable star candidates detected by LAMOST) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/other/RAA/19.64/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/other/RAA/19.64/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/other/RAA/19.64/table1? GET text/xml+votable 180.0 50000 true 92.290375 21.2568611 0.005555555555555556 3/5 18 40-41 71-72 74 77 99 101 103-104 107 162 343 363 374 445 4/18 25 28-29 31 47 51 54-55 58 64 68 78 80-81 83-84 86 89-90 94-95 101 103-105 108-110 113-116 119-121 124 132 134 137 139-141 143 147-148 150-151 154-155 159 168-170 172 176 178 193 198 201 257-258 262 268 270-271 282-283 292-294 300 302 304-305 307 313 315 319 322-326 328-330 332 334-336 340 342 346 349 351-352 354 357-358 362 364 368-369 375 385-388 390 392-394 408 420 422-423 433-434 436-437 440-441 443-444 449-450 453-454 512 523 537 540 545 547 550 552 554 559 564 566-567 570-571 573 575 586 594-595 606 610-611 614-615 618 620-621 624 628-630 633-634 643 645-647 652-653 655 657 668-669 671-673 676 680-681 684 687 689 693-694 697 700 708-710 713-714 922-923 933-935 944-946 1138 1144-1145 1200-1201 1217 1246-1247 1268-1269 1273 1277 1361-1364 1366 1369 1371 1387 1395 1397 1405 1463 1471 1486 1488 1490-1491 1494-1495 1500-1501 1503 1505 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13606-13607 13610-13612 13614 13620 13622-13625 13627 13643 13649 13652-13653 13666 13687 13693 13695 13700 13723-13726 13760-13762 13781 13783 13788-13789 13824-13825 13854 13868 13871 13874 13876 13878-13879 13885-13886 13970-13971 13974-13978 13982 14101 14103 14142 14144 14146-14147 14152 14167 14187 14238 14276 14365-14367 14382-14383 14393 14395 14410 14440-14441 14444 14453 14468-14470 14472-14474 14487 14492 14500 14502 14508 14513 14515 14518 14521-14524 14526 14559 14567 14577-14579 14615 14621 14656 14659 14662 14664 14667-14668 14670 14682-14683 14686 14689-14691 14697 14699 14704-14706 14712 14727 14729-14731 14738-14739 14787 14790 14814 14820-14822 14828 14830-14831 14850 14854-14856 14864-14866 14869-14871 14882-14883 14889 14906 14915 15005 15022 15035 15037-15039 15070-15071 15074-15075 15080-15081 15084-15085 15092 15094 15101-15103 15160-15162 15164 15172 15180 15182 15200-15202 15232-15233 15236 15242 15260-15262 15264 15267 15276-15278 15282 15288 15299-15300 15302-15303 15305 15307-15310 15320 15322 15473 17637-17639 17652 17654-17655 17727 17732-17733 17735 17739 17752-17754 17769 17771 17778-17779 17809 17813-17814 17818-17820 17822-17823 17829 17831-17832 17834 17837 17840-17841 17843 17856-17857 17859-17861 17863-17864 17867 17870 17880-17881 17888 17890 17896 17902 17905-17910 17916 17918 17989 18004-18006 18012 18023 18029 18031 18036 18038-18039 18074 18094 18099-18100 18102 18105-18108 18110 18115 18121 18138 18145 18151 18156 18162 18165 18179 18184-18185 18187 18193 18196-18197 18200 18202-18203 18206 18228-18230 18236 18242-18243 18248-18249 18252-18253 18255-18258 18268 18271-18272 18279 18288-18289 18300-18301 18345 18347-18350 18356 18360-18362 18368 18370-18371 18375 18377 18386-18387 18392-18394 18397-18399 18404 18407 18410-18411 18413 18415 18420-18422 18652-18653 18663 18678-18679 18775 18789-18791 18796-18797 18799-18802 18826 18833 18835-18838 18841 18843 18848-18850 18857-18859 18862-18863 18865-18866 18872 18874-18878 18880 18882-18883 18885 18887 18892-18894 18900-18901 18904-18905 18907 18933 18935 18937 18941 18977-18980 18982 18987 19008-19009 19012-19013 19015 19020-19021 19023 19033 19038-19039 19045 19050 19052 19054 19058 19065 19069 19071 19073-19074 19076 19078-19079 19084-19085 19087 19093-19094 19104-19105 19108 19125-19126 19145-19147 19153-19155 19161 19163-19166 19168-19170 19176 19179-19180 19182-19183 19188-19189 19191 19198-19199 19236-19237 19240 19242-19244 19246-19249 19251-19254 19256-19258 19265 19267-19268 19271 19276 19278-19279 19295 19300-19302 19308 19312 19316-19318 19320 19322-19323 19326-19327 19340-19342 19344 19346-19347 19350 19364 19366-19368 19370-19372 19374-19375 19384-19386 19394 19399 19401 19405 19407 19414 19429 19431 19433-19437 19442-19443 19452-19453 19456-19458 19461 19463 19466-19467 19489 19492-19493 19498 19502-19505 19513-19514 19516 19519 19522-19523 19526 19528 19530-19531 19556-19558 19566 19588 19601-19603 19605 19607-19610 19621 19623-19624 19632 19648-19650 19652 19655 19657-19658 19660 19662 19666 19684 19707 19709 19711 19776 19779 19781-19785 19788-19789 19796 19798-19801 19804-19805 19807 19811 19814 19820 19822 19875 19878 19881-19883 19900 19902-19903 19908 19910-19911 19922 19926-19927 19978 19983 20000 20005 20007 20013 20024-20025 20027 20043 20064-20066 20069-20071 20078-20079 20082 20089-20091 20096 20104 20106 20109 20118 20124-20125 20128 20130-20132 20134-20137 20140-20142 20146 20150 20155-20156 20158 20161 20163 20168-20169 20171 20182-20183 20197 20205-20207 20220 20222-20223 20237 20240 20271 20273 20284 20286-20287 20321-20326 20329 20331 20340-20341 20343-20344 20346-20347 20360 20362-20365 20367 20388 20390-20391 20398 20403 20409 20411-20412 20414 20416 20418-20419 20425-20429 20431 20449 20452-20453 20455-20456 20459-20460 20473-20475 21355 21357-21359 21370-21371 21374 21435 21441 21443 21449 21452-21453 21455 21460 21462 21484-21485 21487 21497-21498 21619 21625 21627 21713 21716-21717 21747-21748 21750-21751 21760-21762 21767 21770-21771 21773 21775 21841-21843 21884-21885 21887 21897 21922 21925 21928-21929 22108-22109 22139 22142 22150 22171 22174-22175 22178-22179 22188 22190 22214 22227 22230-22231 22253-22255 22264 22266 22268-22269 22272 22274 22280 22285 22287-22289 22291 22298-22299 22302 22309-22311 22313 22345 22371 22384-22386 22397-22399 22402-22404 22407 22424 22436 22438-22439 22450-22451 22473-22478 22500 22502-22503 22516-22518 22524-22525 22732 22734-22735 22745 22747-22748 22750 22761 22763-22765 22767 22776-22777 22779-22780 22782 22789 22800 22806-22807 22809-22811 22833 22850 22852-22853 22860 22862 22869 22875 22877 22881 22889 22896 22898-22899 22902 22904 22908-22910 22944 22946 22951 22993 22998-22999 23001 23003 23025 23029 23031 23077-23079 23084-23085 23087 23092 23094-23095 23129-23130 23133-23135 23141 23143 23147 23152 23154-23155 23157 23159 23173 23178 23184-23186 23194 23202-23203 23206-23207 23218-23219 23224-23225 23227 23300 23302 23332-23334 23336-23338 23341 23343 23346 23350-23352 23354-23355 23386-23387 23390-23391 23397-23400 23402-23406 23432 23435 23438 23440 23442-23443 23446-23447 23449 23451 23468 23470-23471 23475 23477 23479 23481-23483 23487 23489 23491 23494 23506-23507 23520 23522-23523 23525-23527 23558 23565-23566 23569 23572-23574 23585 23591 23597 23599 23610 23613 23615 23619-23620 23622-23623 23628 23630 23632 23647-23650 23658-23659 23662-23663 23665-23667 23669 23671-23674 23682-23683 23685-23687 23692 23694 23698-23699 23704-23706 23716 23718-23721 23724-23725 23727-23730 23744-23745 23747 23752 23754 23757 23759 23770-23771 23773-23775 23792 23795 23801-23803 23836 23838-23839 23876 23878 23889 23894-23895 24032-24034 24069-24071 24074 24077 24096 24098-24099 24102 24104-24105 24108-24109 24111 24113 24132-24134 24142 24153-24155 24164-24165 24168-24170 24174 24184-24185 24187 24194 24197-24199 24204-24205 24207-24208 24210-24211 24216-24217 24219 24241-24243 24272 24274 24277 24279 24285-24287 24308-24310 24374-24375 24420-24422 24430-24431 24433 24437-24439 24441-24443 24472-24474 24540-24542 24560-24562 24569-24571 25439 25460-25461 25463 25471 25531 25533-25535 25553 25555 25561 25570-25571 25574-25575 25586-25587 25801 25804 25806-25809 25813-25815 25820-25822 25829-25830 25833 25840-25842 25844 25846-25847 25853 25871 25882-25883 25903-25906 25909-25911 25915 25929 25941-25943 25948-25950 25952 25954 25958 25969 25971-25972 25974-25975 25977-25979 26000 26002-26003 26060-26062 26072-26073 26076 26084 26086-26087 26098 26108 26110 26126-26127 26131 26137 26139-26140 26142 26144 26146 26149 26152 26154 26161 26167-26168 26170-26171 26174 26184-26185 26187 26209 26211 26237-26239 26256 26258-26260 26262 26305 26309-26311 26313-26315 26321 26325-26330 26336-26338 26340 26350 26354 26357 26359-26361 26363-26366 26368 26370 26372-26373 26380 26382-26385 26387 26408-26409 26411-26412 26414 26416-26417 26425 26444-26445 26447 26468 26470 26476 26478-26479 26484-26486 26488-26490 26493 26496-26497 26499 26504-26505 26508 26511 26522-26523 26526-26527 26548-26550 26556-26558 26560-26561 26582-26583 26595 26600-26601 26603-26604 26606-26607 26617-26619 26814-26815 26845 26847 26856 26858-26859 26861-26862 26904-26905 26907 26914-26915 26930 26956-26957 26969-26971 26980 26982 27008-27009 27011 27017-27018 27020-27021 27023 27032 27034-27035 27040 27045-27047 27080-27082 27084 27086 27109-27111 27139 27143-27145 27148 27151 27153-27154 27160 27162-27165 27167-27168 27171 27189-27191 27220 27222-27223 27265-27267 27272-27273 27275 27284-27285 27287 27292-27294 27344-27345 27347 27356 27358-27360 27362-27363 27367-27368 27370 27394 27396-27397 27399 27406-27407 27428 27430-27431 27444-27446 27457 27464 27466-27467 27469-27471 27476-27478 27496 27498-27499 27516 27518 27520 27522-27523 27528-27529 27532-27534 27544-27545 27572-27573 27588 27590-27591 27596-27598 27600-27601 27603-27604 27606 27608-27609 27616-27617 27619 27624 27632-27634 27645 27647 27696-27698 27710 27716 27718 27724 27726-27727 27729 27738 27740-27741 27743 27765 27767 27773 27788-27790 27797 27800-27801 27803 27825-27826 27832 27834-27835 27841 27843 27876-27878 27884-27885 27888-27890 27896 27898-27900 27902 27908-27909 27912-27914 27919-27921 27925 27927 27930-27931 27936 27938 27940 27942-27943 27952-27954 27960 27969-27971 28020-28022 28036-28038 28040 28042-28043 28050-28053 28055 28072 28074 28089 28091 28096-28097 28105-28107 28132-28133 28135 28152 28154-28155 28200-28201 28203 28212-28213 28215 28230 28236 28238-28241 28244 28250-28251 28254-28255 28261-28265 28267 28276 28278-28279 28284 28286-28287 28289 28292-28293 28300 28302-28303 28315 28328-28329 28331-28334 28337-28339 28345 28348 28350 28360-28362 28364-28365 28367 28372-28374 28380 28382-28383 28385-28387 28421-28423 28425 28427 28452-28453 28455 28459 28461-28463 28545 28547 28553-28555 28660-28661 28663 30336 30381 30391 30397 30399 30411 30433 30436 30442 30583 30588-30589 30591 30677 30911 30955 30958-30959 30970 30975 31003 31005 31007 31019 31030-31031 31035 31050 31055 31058-31059 31069 31071 31073 31075 31077 31079 31084-31086 31096-31097 31102 31105 31107-31108 31110 31113 31121 31123 31126-31127 31132-31133 31135 31144 31146-31147 31150 31163 31170-31172 31180 31182-31184 31204-31205 31207 31209 31213 31216-31218 31220 31229 31252 31255 31260 31263 31281 31283 31289 31291 31296-31297 31299 31305 31307 31320-31321 31323-31325 31334-31335 31346 31357-31359 31366-31367 31370-31371 31377-31381 31383 31390 31398-31399 31404 31406-31410 31412 31415 31418 31422-31423 31452-31453 31455 31465-31466 31468-31470 31477 31480 31483-31485 31501-31502 31504-31506 31508 31513-31516 31518-31519 31527 31533-31534 31544-31545 31558 31562 31571 31573-31575 31579 31584 31586 31592 31594 31604-31605 31607 31611 31628-31630 31640 31642 31649 31651 31659 31663 31667 31670-31671 31684 31686-31689 31692-31693 31697 31705-31707 31717 31719-31720 31722 31749 31754 31760 31762 31765 31770 31782-31783 31792-31794 31798 31802-31803 31806 31808 31812 31816 31818 31844-31845 31867 31870 31883 31886 31904-31905 31908-31909 31911 31913-31914 31917 31919-31921 31924-31925 31930 31933 31940-31941 31943 31952-31954 31970 31976 31978 31983 31986 31992 31997 31999 32160-32161 32163-32164 32166 32168-32170 32173 32175 32178 32184 32221 32254-32256 32258 32265 32268 32270-32273 32279 32282 32284 32289-32291 32309-32310 32316 32318 32320-32322 32324-32326 32331 32333-32335 32343 32347 32352 32355 32364 32383 32392-32394 32396 32400-32401 32403-32404 32406-32410 32412 32414 32416 32418 32424 32436-32438 32452 32454 32456 32458 32463 32468 32470-32471 32474-32478 32492 32505 32507-32508 32510 32512 32515 32517-32518 32521 32526 32534 32537 32545-32547 32562 32568-32570 32605 32607 32610 32616-32617 32648 32651-32652 32654 32656 32658-32660 32667 32676 32682 32697 32699 32712 32714-32715 32723 32726 32732-32733 32754-32755 32767 36718-36719 36765 36801 36809-36811 36814 36818 36826 36845-36846 36850-36851 36854-36855 40887 40908 40919 40921 40923-40924 40926 40930-40931 40934-40935 40945 40947-40948 40950-40953 40955 45017-45019 45033-45035 45040-45041 45043 48997-48999 49004-49005 49007-49008 49014 49016-49017 49019-49020 49022-49023 49093 49095 49106-49107 49116-49117 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/other/RAA/19.64?format=ascii default J/other/RAA/19.64/table1 Stellar atmospheric parameters for new binary and variable star candidates detected by LAMOST recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Name Variable star identifier, CHHMMSS.ss_DDMMSS.s meta.id;meta.main char Obs.start Observational date of the beginning dateset time nullable Obs.end Observational date of the end dateset time.epoch nullable N Times of observations meta.number char Teff Effective temperature K phys.temperature.effective float e_Teff ? Error of the effective temperature K stat.error;phys.temperature.effective float nullable logg Gravitational acceleration logg log(cm.s**-2) phys.gravity float e_logg ? Error of the gravitational acceleration log(cm.s**-2) stat.error float nullable [Fe/H] Metallicity phys.abund.Z float e_[Fe/H] ? Error of Metallicity stat.error;phys.abund.Fe float nullable RVlow Lowest radial velocity km/s spect.dopplerVeloc;stat.min float e_RVlow ? Error of the lowest radial velocity km/s stat.error double nullable RVhigh Highest radial velocity km/s spect.dopplerVeloc;stat.max float e_RVhigh ? Error of the highest radial velocity km/s stat.error double nullable DRV Differences between the lowest and the highest radial velocities km/s phys.veloc;arith.diff float e_DRV ? Error of the radial velocities difference km/s stat.error double nullable _RA Position from CName (right ascension part) deg pos.eq.ra;meta.main indexed _DE Position from CName (declination part) deg pos.eq.dec;meta.main indexed