J/AJ/168/210ivo://CDS.VizieR/J/AJ/168/210doi:10.26093/cds/vizier.51680210CDSMa X.Zhang Y.Zhang J.Li C.Kang Z.Li Ji2025-08-01T20:09:59Z2025-07-04T10:12:58ZCDS support team

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

cds-question@unistra.frastronomical-modelsquasarsyoung-stellar-objectsgalaxiesx-ray-sourcesClassifying and summarizing large data sets from different sky survey projects is essential for various subsequent scientific research. By combining data from 4XMM-DR13, Sloan Digital Sky Survey (SDSS) DR18, and CatWISE, we formed an XMM-WISE-SDSS sample that included information in the X-ray, optical, and infrared bands. By cross matching this sample with data sets from known spectral classifications from SDSS and LAMOST, we obtained a training data set containing stars, galaxies, quasars, and young stellar objects (YSOs). Two machine learning methods, CatBoost and Self-Paced Ensemble (SPE), were used to train and construct machine learning models through training sets to classify the XMM-WISE-SDSS sample. Notably, the SPE classifier showed excellent performance in YSO classification, identifying 1102 YSO candidates from 160,545 sources, including 258 known YSOs. Then we further verify whether these candidates are YSOs by the spectra in LAMOST and the identification in the SIMBAD and VizieR databases. Finally there are 412 unidentified YSO candidates. The discovery of these new YSOs is an important addition to existing YSO samples and will deepen our understanding of star formation and evolution. Moreover we provided a classification catalog for the whole XMM- WISE-SDSS sample.2024AJ....168..210Mhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/168/210CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/360 : Gaia DR2 x AllWISE catalogue (Marton+, 2019)II/365 : The CatWISE2020 cat. (updated version 28-01-21) (Marocco+, 2021)IX/69 : XMM-Newton Serendipitous Source Cat. 4XMM-DR13 (Webb+, 2023)VII/273 : The Half Million Quasars (HMQ) catalogue (Flesch, 2015)V/156 : LAMOST DR7 catalogs (Luo+, 2019)VII/289 : SDSS quasar cat., sixteenth data release (DR16Q) (Lyke+, 2020)VII/294 : The Million Quasars (Milliquas) cat., version 8 (Flesch, 2023)J/ApJ/802/60 : Structure of young stellar clusters. II. (Kuhn+, 2015)J/MNRAS/458/3479 : SVM selection of WISE YSO Candidates (Marton+, 2016)J/ApJ/902/114 : Stellar X-ray activity.I.Chandra, Gaia & GALEX (Wang+, 2020)J/ApJ/920/132 : NEOWISE 6.5yr variability in YSOs (Park+, 2021)J/MNRAS/503/5263 : Sorting of 4XMM-DR9 srcs by machine learning (Zhang+, 2021)J/ApJS/268/36 : XMM-N view of M31 (New-ANGELS). I. X-ray cat. (Huang+, 2023)J/ApJS/267/7 : YSO candidates from LAMOST LRS DR9 & ZTF (Zhang+, 2023)http://www.sdss.org/ : SDSS home pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/168/210https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/168/210http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/168/210https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/168/210https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/168/210http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/168/210GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/168/210/table3 (The classification result of the XMM-WISE-SDSS by CatBoost and Self-Paced Ensemble (SPE))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/168/210/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/168/210/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/168/210/table3?GETtext/xml+votable180.050000true272.37991496721-20.2572320607160.0055555555555555564/1105 5/84 252 259 263 268 292 425 557 655 677 1024 1026 1031 1078 1086 1112 1135 1172 1174 1180 1196 1238 1241 1244 1283 1311 1326 1363 1367 1382-1383 1392 1417-1418 1448-1449 1454 1465 1470 1505 1519 1633 1810 1814 1825 1827 1876 1946 2048 2055 2066-2067 2126 2166 2179 2228 2230 2286-2287 2338 2367 2374-2376 2411 2435-2436 2493 2536 2547 2553 2586 2594 2599-2600 2604 2659 2661 2746-2747 2751 2778 2796 2815 2831 2838 2840-2841 2843 2850 2856 2858 3183 3322 3576 3842 3920 3922 4008 4046 4373 4377 4380 4419 4424-4425 4428 4436 4438 4441 4454 4457-4458 4501-4502 4504-4505 4524 4581 4636 4696-4697 4705 4716 4723 4755 4758 4775 4846-4847 4879 4959 4962 4989 5017-5018 5053 5358 5701 5728 5802 5886-5887 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25598-25599 25669 25680 25682 25688 25690-25691 25815 25839 25847 25850 25852 25855 25885 25906-25907 25909 25912 25919 25925 25933 25936 25939 25941 25943 25956-25958 25961 25965-25966 25968 25976-25977 25980-25982 25984 25986-25987 25989-25991 26000 26002-26003 26005-26007 26009 26012-26013 26018-26020 26022-26023 26025 26028 26037 26039 26041 26047 26052 26055-26057 26062-26063 26066-26067 26072-26073 26080 26082 26084-26085 26090-26091 26100 26102 26106-26108 26119 26125 26136 26139 26148 26156-26157 26159 26161 26169 26171 26174-26175 26181-26183 26193-26195 26197 26200 26208-26209 26212 26218-26219 26221 26223 26234 26242-26243 26248 26255 26259-26262 26265-26268 26270-26271 26277 26285 26287-26289 26291-26294 26297-26300 26302-26304 26310 26313-26314 26316 26323 26326 26329 26331-26332 26334 26346-26347 26359 26365 26369-26371 26374-26375 26379 26382 26389 26393 26396-26397 26401 26403 26406-26407 26410 26412-26413 26425 26427 26430 26432-26433 26443 26446 26451 26454 26459 26466 26472 26475 26478 26481-26483 26486-26488 26496 26509 26537 26539-26540 26542 26547 26550 26561 26563 26569 26571 26586 26588 26590 26596 26615 26846 26866-26869 26902-26903 26909 26919 26925 26930 26936 26943-26944 26946 26950-26951 26955 26957 26959 26964-26965 26970 26973-26975 26977 26983-26984 26986 26989-26991 26993-26994 27004-27005 27009 27012 27019 27024-27026 27029 27049 27051 27054-27055 27060 27076-27077 27079 27081 27084 27088 27095 27097 27099 27122-27124 27126-27127 27132-27133 27135 27189 27191 27199 27219 27221-27225 27227-27228 27234-27235 27238 27242-27243 27245-27247 27262 27279 27291 27294 27298-27300 27302 27308 27310 27312-27314 27324 27326 27328-27329 27332-27333 27339 27342-27345 27357 27364-27365 27372 27374 27381 27383 27393 27396-27397 27412 27414 27419 27421-27423 27428 27438 27440-27441 27444-27445 27456 27458 27464 27466 27472 27474 27477 27480-27481 27483-27484 27486 27491 27497 27519-27522 27524 27536-27538 27544-27545 27552 27554 27562 27574 27580 27595 27598 27604 27607 27615 27617 27649 27651-27652 27654 27658 27660-27661 27664-27665 27668-27669 27676 27680-27682 27684 27691 27699 27702 27704-27705 27717-27719 27724 27728 27730-27732 27734-27735 27740 27742-27743 27749 27751 27769 27772-27773 27775 27777 27779 27781 27783 27785 27788 27797 27803 27823 27834 27840 27848-27849 27851 27856-27857 27859-27862 27865 27867 27870 27883 27905 27907 27916 27918-27919 27934 27941 27944-27945 27947 27955 27959 27961 27963-27966 27975-27976 27978 27980 27982 28013 28015 28019 28022-28023 28026 28029 28036-28037 28039 28045 28049-28050 28052 28054 28057 28075 28081 28092-28093 28101 28106 28112 28115 28118 28123 28141-28143 28145 28147-28149 28151-28152 28154-28155 28167 28188 28209 28225-28227 28230 28234 28236 28245 28247 28252 28254 28257 28259-28260 28262 28270-28272 28275 28278 28281 28284 28298 28319 28334-28335 28341 28344 28346-28347 28350-28351 28353 28356-28357 28369 28371-28372 28374 28376-28377 28380 28384 28389-28394 28396-28397 28400-28402 28408-28409 28413-28415 28417 28426-28430 28435 28441 28443-28444 28446 28452 28460-28461 28466-28467 28471 28473 28490 28492 28494-28497 28499 28506-28507 28516-28517 28522-28523 28528-28529 28531-28532 28534-28535 28539-28542 28548 28553 28555 28561 28563 28583 28586 28589 28593-28595 28600 28620-28621 28623 28630-28632 28634 28636-28637 28639 28647-28648 28651 28653-28654 28661 28663 28919 28925 29090-29091 29094 29096-29097 29100 29395 29398 29400-29402 29404 29774 29777 29796 29818 29885 29923 30021 30029 30031 30033 30035 30037 30039 30044-30045 30069 30107 30128-30130 30164 30175 30197 30257 30259-30260 30262-30263 30268-30270 30312 30350-30351 30357 30360-30361 30363 30366 30372 30374 30380-30382 30400 30402 30576-30577 30580 30692 30694-30695 30833 30957 30968 30970 31037 31057 31061 31063 31074 31080-31081 31087 31149 31155 31158 31160-31161 31164 31173 31184-31185 31285 31287 31316-31317 31346 31354-31355 31389 31391 31393 31401 31403-31406 31418-31419 31426-31427 31430 31436 31440 31459 31463 31465-31466 31468-31469 31474 31480 31484-31486 31509 31515 31534-31537 31552 31590 31596 31599 31615 31621 31623 31628 31630-31632 31634 31641 31650 31652 31656 31662-31663 31665 31667-31669 31685 31707 31712 31717 31729 31738 31744 31746 31804-31805 31849-31851 31957 32058-32059 32177 32257 32259 32288 32290 32298 32379 32384-32385 32396 32418 32422 32424 32428 32447 32463 32472 32474 32481 32483-32484 32486 32491 32494 32511 32678 32682 32684-32686 32766 36328 36342 36526-36527 36534 36621 36626 36632 36733 36764-36765 36767 36770-36771 36774-36775 36777-36782 36784-36786 36788 36792 36794-36795 36798-36800 36802-36804 36806 36858-36859 36861 40943 40947 40950-40951 44378-44379 44389 44401 44518 44524 44896 45044 45046 45054-45055 48695 48715 48738 48891 48897 48906-48907 48910 48929 48945 48948 48950-48951 48957 49009 49012-49013 49015-49017 49021 49023 49092 49094 49101 49103 49106 49112-49113 49117 49121 49123 49134-49135https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/168/210?format=asciiX-raydefaultJ/AJ/168/210/table3The classification result of the XMM-WISE-SDSS by CatBoost and Self-Paced Ensemble (SPE)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDSource ID from XMM (SRCID)meta.id;meta.mainRA_ICRSRight ascension (ICRS) (SR_RA)degpos.eq.ra;meta.mainindexedDE_ICRSDeclination (ICRS) (SR_DEC)degpos.eq.dec;meta.mainindexedClassCClass given by CatBoost (Class_CatBoost) (1)src.classcharpC[0.2/1] Classification probability by Catboost (P_catBoost)stat.probability;src.classfloatClassSClass given by Self-Paced Ensemble (SPE) (Class_SPE) (2)src.classcharpS[0.2/1]? Classification probability by SPE (P_SPE)stat.probability;src.classfloatnullable