Periodic variable stars from LAMOST DR9 J/ApJS/272/1 ivo://CDS.VizieR/J/ApJS/272/1 doi:10.26093/cds/vizier.22720001 CDS Qiao P. Xu T. Wang F. Mei Y. Deng H. Tan L. Liu C. 2024-11-06T20:31:29Z 2024-08-16T12:29:48Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr variable-stars two-color-diagrams surveys visible-astronomy infrared-photometry astronomical-models Identifying and classifying variable stars is essential to time-domain astronomy. The Large Area Multi-Object Fiber Optic Spectroscopic Telescope (LAMOST) acquired a large amount of spectral data. However, there is no corresponding variable source-related information in the data, constraining LAMOST data utilization for scientific research. In this study, we systematically investigated variable source classification methods for LAMOST data. We constructed a 10-class classification model using three mainstream machine-learning methods. Through performance comparison, we chose the LightGBM and XGBoost models. We further identified variable source candidates in the r band in LAMOST DR9 and obtained 281,514 variable source candidates with probabilities greater than 95%. Subsequently, we filtered out the sources of periodic variable sources using the generalized Lomb-Scargle periodogram and classified these periodic variable sources using the classification model. Finally, we propose a reliable periodic variable star catalog containing 176,337 stars with specific types. 2024ApJS..272....1Q https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/272/1 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003) II/328 : AllWISE Data Release (Cutri+ 2013) V/156 : LAMOST DR7 catalogs (Luo+, 2019) I/350 : Gaia EDR3 (Gaia Collaboration, 2020) II/366 : ASAS-SN catalog of variable stars (Jayasinghe+, 2018-2020) J/AJ/134/973 : SDSS Stripe 82 star catalogs (Ivezic+, 2007) J/MNRAS/414/2602 : Automated classification of HIP variables (Dubath+, 2011) J/AJ/146/101 : LINEAR. III. Cat. of periodic variables (Palaversa+, 2013) J/ApJS/213/9 : Catalina Surveys periodic variable stars (Drake+, 2014) J/A+A/566/A43 : EPOCH Project. EROS-2 LMC periodic variables (Kim+, 2014) J/A+A/580/A17 : {alpha}-element abund. of Cepheid stars (Genovali+, 2015) J/ApJS/249/18 : The ZTF catalog of periodic variable stars (Chen+, 2020) J/ApJS/249/22 : Radial velocity variable stars from LAMOST DR4 (Tian+, 2020) J/ApJS/259/11 : LAMOST variable sources based on ZTF phot. (Xu+, 2022) J/ApJS/267/7 : YSO candidates from LAMOST LRS DR9 & ZTF (Zhang+, 2023) J/A+A/675/A195 : ZTF DR11 classif. in ZTF/4MOST sky (Sanchez-Saez+, 2023) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/272/1 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/272/1 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/272/1 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/272/1 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/272/1 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/272/1 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJS/272/1/table6 (*Classification results of variable stars for LAMOST DR9 based on LightGBM and XGBoost) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/272/1/table6? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/272/1/table6? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/272/1/table6? 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10414-10415 10417-10419 10424 10426-10430 10432 10434 10440-10442 10444-10445 10447 10452 10454 10460 10462 10464-10466 10469-10471 10473 10475 10485-10487 10492 10494 10500 10502-10503 10544-10545 10547 10560 10562-10563 10581-10582 10584-10586 10588 10591 10597-10601 10603 10608-10610 10624 10626-10627 10633-10634 10644 10646-10647 10659 10661-10663 10676 10678-10680 10684-10686 10724-10725 10729-10734 10760 10762-10763 10765-10767 10773-10776 10779 10793-10797 10799-10800 10802-10803 10832-10833 10835 10837-10840 10842-10843 10848-10850 10853-10855 10868 10872 10874-10875 10878 10881-10883 10888-10889 10891 10896-10897 10899 10901-10903 10920 10938 10952 10954 10957-10960 10962 10964 10966 10972-10973 10977-10979 10985 10988 10990-10991 11008-11010 11013 11015-11016 11032-11033 11035 11045 11047 11052-11053 11060-11062 11064 11066-11067 11077-11079 11084 11086-11087 11096 11098-11099 11102 11108-11109 11117 11119 11128-11129 11132-11133 11139 11143-11145 11147 11150 11157-11160 11162 11170-11174 11176-11177 11179 11185-11189 11191 11196-11198 11212 11214-11215 11219 11227-11230 11232-11234 11264 11267-11268 11270-11271 11292 11294-11295 11316 11318-11319 11348 11350-11351 11372 11374 11384 11389 11396-11398 11404 11406-11407 11421-11426 11432-11433 11435 11440 11442 11445 11448 11450 11460 11462 11464-11465 11467 11492 11524-11526 11533-11534 11536 11538-11539 11552 11554 11781-11783 11785-11788 11792 11800 11802 11808 11810-11811 11819-11820 11904 11906-11907 11912 11995 11999 12016-12017 12019 12025 12028 12170-12171 12194-12195 12198 12200 12296-12297 12299 12304 12307 12311-12312 12314 12317 12319 12327 12333 12335 12342 12385 12389 12392 12400-12401 12403 12409 12411 12418-12419 12421 12428 12430-12431 12436-12438 12460-12462 12464 12487 12493 12495 12498-12499 12517 12519 12537 12539 12548-12550 12556 12558-12559 12569 12572-12573 12575 12592 12594-12595 12598-12599 12628-12629 12632 12634-12635 12638 12640 12642-12643 12653-12655 12700-12702 12716-12718 12724 12726-12727 12740-12741 12743 12760 12762-12763 12766-12767 12824 12857 12860 12862-12863 12881 12883 12893 12904 12906 12928-12930 12932-12933 12949-12951 12956-12957 12980 12983 12996 12998 13004 13006-13007 13024-13025 13029-13031 13040 13042-13043 13052-13054 13060 13062 13064-13065 13084-13085 13093-13095 13110 13127 13131 13153 13155 13162-13165 13176-13177 13181 13194-13195 13198 13228 13230 13239 13256 13259 13261-13263 13269-13271 13274-13275 13277 13279 13281-13283 13304-13306 13325 13344 13346-13347 13358-13361 13368-13369 13371 13378-13379 13384 13386-13387 13444 13446-13447 13450-13451 13501 13503 13556-13558 13560 13588-13590 13632-13633 13638-13639 13668-13670 13676 13678-13679 13720-13721 13723 13728-13729 13731 13737 13739 13817-13818 13845 13847 13904 13924-13926 13928 13930 13964-13965 13967 13984 13989 13995 13998 14013 14016 14018-14019 14035-14036 14038-14039 14041-14043 14048-14049 14051 14080-14082 14084-14085 14087-14089 14117 14128-14129 14131 14137 14157 14159-14160 14162 14165 14167-14168 14170-14171 14176-14178 14204-14205 14208 14216-14218 14221 14223 14225-14227 14245-14248 14250-14252 14264 14269 14284-14286 14288 14290 14308 14312 14366-14367 14370 14386-14389 14391 14393-14394 14396 14398-14399 14401-14403 14409-14414 14425-14426 14432-14434 14436-14437 14440-14442 14449 14452-14453 14455 14463-14464 14466-14467 14476-14477 14481 14483 14536 14538 14541-14543 14546-14547 14556 14558-14561 14563 14569-14570 14592 14594-14595 14617 14619 14624 14627 14630-14631 14641-14643 14648 14653 14660-14662 14674-14676 14678 14685-14687 14696-14697 14699 14708-14710 14716 14719 14729-14731 14736 14738-14739 14743 14802-14803 14844-14846 14897-14899 14913-14915 14984-14986 15008 15010 15160-15162 15164 15172-15174 15180 15182 15184 15190-15191 15193 15195 15200-15202 15217 15220-15221 15223 15232-15234 15236 15240 15242-15243 15245-15247 15255 15297-15299 15301-15303 15309-15311 15320 15328-15330 15337-15339 15346 15364-15366 15372 15392 15401-15404 15406-15407 15424-15425 15436-15437 15439 15448-15449 15451 15453 15460 15472-15473 15492-15494 15500 15502 15616 15618 15774-15775 15796-15797 15904-15905 17370 17395 17629 17639 17647 17652 17660 17662-17663 17715-17716 17719 17724 17727 17733 17735 17738-17739 17748-17749 17751 17753 17755 17760-17761 17766-17768 17770-17773 17775 17777-17782 17794 17802 17813 17815 17817-17818 17820 17822 17826-17828 17832-17834 17837 17839 17844-17845 17852-17854 17856-17857 17865-17867 17870 17876-17878 17881 17886-17889 17891-17892 17894-17895 17899 17901-17903 17908-17909 17912-17913 17915 17989-17990 18000-18002 18006 18011 18019-18022 18024-18025 18027-18030 18034-18038 18042-18046 18060 18063 18083 18085 18087 18092-18094 18108-18110 18112 18115 18117-18120 18122-18125 18127-18129 18131 18137-18139 18144-18146 18148 18150-18151 18158 18160-18161 18164-18166 18169 18173 18176-18177 18179 18182-18186 18204 18207 18209-18213 18215 18219-18221 18223 18228-18230 18240 18242-18243 18245 18247 18249-18251 18264-18266 18270-18271 18273 18275 18282 18284-18285 18292 18294 18296 18300-18301 18308-18309 18311 18316-18317 18319-18321 18323 18330-18333 18335 18340-18342 18344 18347 18349-18350 18352-18353 18355-18357 18359 18364 18366-18367 18373 18375-18376 18378-18379 18384 18387 18391 18393-18395 18404 18406-18408 18411-18413 18415 18428 18430-18431 18549 18646 18654 18663 18668-18670 18672 18674-18675 18677 18680 18682-18684 18686-18687 18729 18743 18747-18749 18763 18774 18776-18777 18779 18782-18783 18788 18794-18798 18800-18801 18803-18804 18806 18808 18810-18811 18814-18815 18825-18827 18830 18837-18839 18841 18843 18857-18859 18868-18869 18871 18886 18888-18890 18893 18896-18897 18899 18901-18902 18904-18905 18907-18909 18911-18913 18918 18920-18922 18924-18925 18930 18933-18934 18937-18941 18950 18956-18957 18959 18977-18980 18982-18985 18987-18988 18990 18994 19001 19003-19005 19007 19009 19013 19018-19021 19023 19028-19029 19031-19032 19040 19042-19045 19047-19048 19050 19078-19080 19082-19083 19089-19094 19097-19099 19104 19108-19109 19111 19113-19115 19128-19130 19132-19133 19135 19141 19143 19172-19173 19175 19189-19191 19200-19201 19203-19204 19209-19211 19213-19215 19220-19222 19234 19237 19239 19244-19245 19247-19249 19251 19254 19268 19272 19274-19276 19278-19282 19286 19289-19291 19293 19295-19298 19300-19302 19313-19315 19348-19350 19352 19357-19358 19376 19378 19383 19401 19424 19426-19427 19457 19459 19468-19469 19471 19476 19478-19480 19482 19484 19486-19487 19489 19491 19493-19495 19500-19501 19508-19510 19516-19518 19520-19522 19526 19528 19531-19533 19544-19545 19552-19554 19556-19557 19560 19562-19563 19568-19569 19577 19579 19588 19596-19597 19599 19603-19604 19607 19612-19613 19616-19618 19624-19625 19627-19630 19636-19637 19639 19641-19645 19648 19650 19653-19656 19659-19662 19664 19673 19675-19676 19678-19679 19684 19694 19696-19697 19699-19700 19702-19703 19705 19707 19733 19738 19742 19749 19753-19755 19760 19762 19764-19765 19768-19770 19774-19777 19783 19788 19790 19800-19801 19804-19806 19809 19814 19816-19818 19822-19824 19827 19830 19845-19847 19854-19855 19860 19862-19864 19866-19867 19870-19871 19873-19875 19880 19882-19885 19887-19888 19891-19892 19894-19895 19904-19905 19907 19913-19915 19921-19923 19927-19928 19930-19932 19934-19935 19937-19939 19969 19971-19972 19975 19977-19982 19986 19990 19996 19998-19999 20005 20007 20013 20017-20021 20023-20025 20027 20037 20042-20043 20046-20047 20049-20050 20053 20055 20058 20060 20077-20079 20087 20094-20095 20100 20102-20103 20113 20115 20117-20119 20125 20127 20168-20169 20171 20180 20182-20183 20196-20197 20200-20202 20226-20229 20231 20256-20258 20264-20265 20267-20269 20271 20312 20314-20315 20353 20355 20368 20370-20371 20388-20390 20410-20411 21374-21375 21423 21439 21443 21453 21455 21460-21461 21463 21472-21473 21475-21476 21478-21480 21482-21484 21486-21487 21497-21499 21591 21619 21625-21627 21692 21694 21711 21713 21722-21723 21730-21731 21825-21827 21840 21842-21844 22023 22034-22038 22051 22057 22059 22144-22146 22153-22156 22158 22168 22170-22171 22300-22302 22344-22345 22368 22370-22371 22645 22647 22655 22686 22709 22722-22723 22727 22732 22734 22739-22740 22742-22743 22749-22751 22760-22761 22766 22768-22770 22777 22779 22789-22791 22797 22808-22809 22811 22824 22827 22833-22834 22844-22845 22864-22866 22908 22910-22911 22913-22916 22918-22919 22921-22923 22934 22937-22940 22942-22943 22977 22979 23010 23013 23015-23016 23018-23019 23022 23024-23026 23037 23063 23069-23070 23079 23087 23090-23092 23094-23095 23098-23100 23102 23105 23107-23110 23112 23114-23115 23121-23123 23129-23131 23137-23141 23143 23148-23149 23151 23153 23155-23157 23159 23171-23172 23179 23184-23186 23188 23190-23192 23194-23195 23201-23203 23205-23209 23211-23214 23216 23219 23224-23226 23228 23231 23234-23235 23240-23242 23244-23246 23248-23249 23251 23260-23261 23263 23273 23275-23277 23279-23282 23285 23287 23292-23294 23300 23302 23304-23306 23314 23316-23318 23338 23361-23363 23381 23428 23430 23436 23438 23457-23458 23468-23469 23471 23476 23479-23481 23483 23489-23491 23620-23621 23623 23721 23723 24272-24274 24276-24277 24279-24282 24285-24287 25435 25460 25463 25465 25471 25515 25534-25535 25541 25551 25554 25561 25564-25566 25569-25572 25576 25578-25579 25590 25592 25594 25709-25711 25721-25723 25726 25757-25759 25766 25787 25794-25795 25808-25810 25812-25813 25817 25819-25821 25823 25828 25832-25833 25835 25838 25841-25843 25850-25852 25855 25857 25862 25869-25871 25873 25875-25877 25879-25880 25882-25884 25892 25895 25900-25901 25903 25909 25911-25913 25917-25919 25928-25929 25941-25943 25952 25954 25958-25959 25962-25964 25966 25968-25969 25971 25977 25979-25982 25988-25990 25996 25998 26000 26002 26004 26007 26009 26017-26018 26020 26022 26025 26027 26032-26033 26035-26036 26038-26039 26042 26046-26049 26056-26057 26059-26062 26064-26065 26067-26068 26070 26072 26074 26076 26078-26079 26083-26084 26086 26088 26091 26096 26098-26099 26104-26105 26122 26127 26132 26134-26135 26144-26146 26148-26149 26151 26157 26159 26164-26166 26176 26178-26179 26181-26182 26186-26190 26192-26193 26195 26208-26209 26213 26215 26219-26222 26224-26225 26227 26236-26237 26239 26247-26250 26252 26254-26255 26257 26262 26265-26267 26269-26271 26276 26278-26279 26284-26286 26296-26298 26305 26307 26313-26316 26318-26320 26323 26325 26327 26340-26341 26343 26348-26349 26351-26352 26354 26357-26359 26361 26363 26365-26368 26370 26381-26385 26388 26390-26391 26401-26405 26407 26412-26414 26417-26418 26420 26422-26425 26432 26434-26437 26439 26452 26455 26462 26476 26479-26480 26482-26483 26485-26489 26491-26493 26503-26505 26509 26512 26514-26517 26519-26520 26522-26523 26530-26531 26534-26538 26544-26546 26549 26551 26557-26559 26588-26590 26592 26594 26596-26597 26599 26601-26603 26620-26622 26741 26750-26751 26815 26823 26828-26829 26835 26839-26840 26842-26845 26847 26852 26862-26864 26872 26874 26880 26883 26894-26895 26897-26899 26916 26919 26928-26929 26931 26948-26949 26951 26956-26958 26960-26961 26963 26969-26972 26974-26975 26980 26982-26983 26985-26988 26990-26994 27001-27003 27008-27009 27011 27024-27026 27036-27037 27039-27041 27050 27060 27062-27066 27072-27074 27080 27082 27104-27105 27116 27118-27121 27123-27126 27128-27129 27137-27139 27143-27144 27147-27148 27150-27151 27156-27158 27160 27164 27168-27169 27173-27175 27177 27189-27191 27200-27201 27203-27204 27206 27211 27220 27222 27224-27225 27228 27230-27231 27236 27238 27248 27250-27253 27257-27259 27264 27266-27267 27273-27275 27285 27287 27294-27295 27297 27301-27302 27306-27307 27309-27311 27336-27338 27344-27346 27348 27350-27352 27354-27355 27362 27367 27374 27376-27378 27380 27382-27383 27385-27387 27389 27391 27393 27396-27397 27399 27401-27405 27416 27418-27419 27424-27426 27428 27430-27432 27435 27449 27451 27464 27466-27467 27473-27475 27490-27491 27493 27495-27496 27498 27516-27518 27524-27526 27532-27533 27535 27545-27547 27552 27554 27558-27559 27562-27566 27569-27572 27575 27592-27594 27599-27600 27603-27604 27607 27615 27617 27628-27629 27634 27639-27642 27644-27645 27649-27653 27655 27666 27668-27669 27671-27672 27674-27675 27677 27679 27685-27687 27689 27691 27693-27696 27702 27708 27710-27711 27714-27716 27718-27721 27723 27732-27733 27735 27744 27746 27748-27749 27753-27755 27761-27762 27764-27765 27767 27773 27775 27784-27785 27787-27788 27790 27792-27794 27796 27798-27800 27804 27807-27808 27810-27812 27814-27816 27818-27819 27822-27823 27825-27826 27828-27829 27831-27832 27836 27838 27840-27841 27844 27846-27848 27850-27851 27854-27857 27861-27863 27872-27873 27876 27879 27881 27883 27886 27892 27894 27896-27897 27899-27900 27903-27906 27908 27911 27913-27917 27919 27927 27929-27931 27945-27947 27961-27963 28000-28001 28003-28005 28007 28009 28011 28013-28015 28017-28019 28021 28028-28030 28036-28038 28044-28046 28048 28055 28068-28069 28071 28073 28075-28078 28096-28097 28101 28107 28111 28120-28121 28123 28125-28127 28129 28131 28135 28144-28146 28157 28159-28160 28162-28163 28165 28172 28174-28175 28180 28182-28185 28187-28188 28190-28191 28196 28198-28199 28213 28215-28216 28220 28230 28240-28241 28246 28252 28254-28255 28260 28262 28264-28265 28268 28271 28276 28278 28280-28282 28289-28290 28292-28293 28297 28299-28300 28303 28306-28309 28311-28312 28314 28316 28320 28329-28331 28336-28337 28339 28341-28345 28347 28352 28354-28355 28358-28361 28364-28365 28369-28371 28374 28379-28380 28383 28389 28396 28398 28401 28403 28405-28407 28417 28426-28427 28432-28434 28436-28437 28439 28445-28446 28448-28450 28452-28453 28455 28474 28480 28482-28483 28488 28490-28494 28506-28507 28524-28525 28527-28529 28540-28541 28545 28553-28554 28560 28562-28563 28566-28567 28573 28576-28577 28592 28594-28595 28597-28602 28604 28607 28612-28614 28624-28626 28645 28647 28649-28654 28656 28658 28660 28662-28663 28665 28667 28669 28671 29654 29657 29662-29663 29687 29692-29693 29933 29938 29940 29942-29943 30055 30061-30062 30072 30074 30076 30122 30148 30171 30193-30195 30201 30203 30289 30291-30293 30318-30319 30347 30349-30350 30352 30355 30359 30363 30365-30367 30370 30374-30375 30385-30388 30390-30391 30401-30403 30413 30424 30432-30434 30437-30439 30453 30460-30462 30466 30470 30472 30475 30477-30478 30501-30502 30549 30551 30557 30559 30578-30579 30582-30583 30626 30673-30675 30846-30847 30893 30905 30907-30908 30910-30911 30925 30927 30929-30932 30935-30937 30942-30943 30955 30965-30967 30970 30975 31001 31003 31005-31007 31019-31020 31022-31023 31029-31031 31033-31035 31041 31044 31047-31048 31050-31051 31053-31055 31057-31059 31065-31067 31074 31104-31106 31108-31110 31112 31137-31141 31148-31149 31151 31154 31156-31157 31159 31172-31174 31180 31182-31183 31196-31197 31212 31217-31220 31223 31225 31227 31237 31248 31250 31257 31260-31262 31283 31289 31291 31296-31297 31299 31304-31305 31307 31312-31313 31315 31320-31321 31323-31325 31327 31333-31335 31346 31352 31354-31357 31359 31363-31364 31366-31367 31369-31371 31376 31379 31404 31406-31407 31412-31413 31415 31418-31419 31421-31423 31428 31430-31431 31452-31453 31455 31472 31474-31475 31500-31501 31504-31505 31507 31521 31525 31527 31529-31531 31564-31565 31567 31584 31586-31589 31591 31596 31598-31599 31604-31605 31607 31610-31611 31640-31642 31645 31647 31652-31653 31655 31660-31661 31663 31708-31709 31711 31724-31726 31756-31757 31759 31813-31815 31826-31827 31848-31849 31851 31936-31938 31960 31962-31963 32000 32002-32003 32041-32044 32058-32059 32064 32073 32075 32077-32078 32102-32103 32108-32110 32114 32119 32125-32127 32198 32219 32243 32250-32251 32380 32383 32388-32389 32392-32393 32416 32418-32419 32424 32426-32429 32431-32433 32435 32440-32441 32443 32446 32460-32461 32463 32468 32470-32471 32480-32482 32489-32491 32500-32502 32536-32538 32540-32541 32564 32566-32567 32581 32583-32584 32587 32597-32599 32609-32611 32672-32673 32675-32677 32682-32683 32696-32697 32704 32706-32707 32711 32740 32742-32745 32747 32749-32751 32756-32757 32759 32764 32766-32767 36719 36728-36729 36731-36732 36801 36803 36809 36814 36817-36818 36820 36827 36831 36844-36846 36849-36851 36854-36857 36859 40887 40891 40893-40895 40908 40913 40915 40921 40923-40926 40930-40931 40933-40934 40940-40942 40945-40948 40951-40952 40958-40959 44985 44987 45017 45019 45026 45041 45043 49011 49016 49023 49095 49105-49106 49109 49111 49117 49119 49141 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/272/1?format=ascii Optical Infrared default J/ApJS/272/1/table6 *Classification results of variable stars for LAMOST DR9 based on LightGBM and XGBoost gskew Median-of-magnitudes based measure of the skew stat.fit.param char MedBRP [0.006/1] Fraction, photometric points within amplitude/10 of median (7) phot;stat.median;arith.ratio double f1power [0/1] f1 power (8) stat.fit.param double recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int LAMOST [101092/914316131] LAMOST DR9 source identifier meta.id;meta.main long ZTF ZTF DR11 Source identifier meta.id.cross RAJ2000 Right Ascension (J2000) deg pos.eq.ra;meta.main indexed DEJ2000 [-9.3/87] Declination (J2000) deg pos.eq.dec;meta.main indexed plx [-9/52.1]? Gaia DR3 parallax mas pos.parallax float nullable Per [0.02/1000] Period, best derived period (1) d time.period double Type Variable source type (2) meta.code.class char IterStd [0.0049/2.6] Recalculated standard deviation (3) stat.stdev double Nobs [50/1311] Number of observations meta.number int Std [0.007/2] Magnitude standard deviation stat.stdev double Amp [0.015/3.1] Amplitude (4) src.var.amplitude double chi2 [0.4/29701] {chi}^2^ statistic stat.fit.chi2 double Cusum [0.027/2.22] Range of magnitude cumulative sums (5) stat.param double MAD [0.003/1.7] Median Absolute Deviation stat.stdev double sKurt [-2.4/1341195100] Small sample kurtosis of the magnitudes stat.fit.param double Eta [0.01/2.7] Von Neumann statistic, Kim+ (2014, J/A+A/566/A43) stat.fit.param double SWTest [0.03/1] Shapiro-Wilk normality test statistics (Shapiro & Wilk 1965, doi:10.1093/biomet/52.3-4.591) stat.fit.param double KSVar [0.2/1] Stetson K statistic (Stetson 1994PASP..106..250S) src.var.index double HMAR [0.03/24.7] Half magnitude amplitude ratio (6) src.var.amplitude;arith.ratio;phot.mag double fu1std [0.006/0.7] Fraction of observations beyond 1 standard deviation (D'Isanto+ 2016MNRAS.457.3119D) stat.fit.param double PerAmp [0.001/0.4] Largest difference, min or max magnitude and median (9) meta.note double BP-RP [-0.6/7.6]? Gaia DR3 color, BP-RP mag phot.color;em.opt.B;em.opt.R double nullable G-BP Gaia DR3 color, G-BP mag phot.color;em.opt;em.opt.B char G-RP [-0.5/4.2]? Gaia DR3 color, G-RP mag phot.color;em.opt;em.opt.R double nullable W1-W2 [-2.3/2.5] ALLWISE color, W1-W2 mag phot.color;em.IR;em.IR float W2-W3 [-2.8/8.5]? ALLWISE color, W2-W3 mag phot.color;em.IR;em.IR float nullable W1-W3 [-2.9/8.5]? ALLWISE color, W1-W3 mag phot.color;em.IR;em.IR float nullable J-Ks [-1.3/3.6]? 2MASS color, J-Ks mag phot.color;em.IR.J;em.IR.K float nullable J-H [-1.3/2.1]? 2MASS color, J-H mag phot.color;em.IR.J;em.IR.H float nullable H-Ks [-1.9/2.6]? 2MASS color, H-Ks mag phot.color;em.IR.H;em.IR.K float nullable C20 Display data from Chen+ 2020 within 0.5" meta.ref.url int nullable DR7 Display data from LAMOST DR7 LRS (V/156) if any meta.ref.url int nullable WISEA Display data from AllWISE (II/328) within 3" meta.ref.url char 2M Display the 2MASS data (II/246) within 3" meta.ref.url char Gaia Display the Gaia EDR3 data (I/355) within 3" meta.ref.url char Skew Skewness of light curves stat.fit.param char Kurt Kurtosis of the magnitude distribution stat.fit.param char