J/ApJS/277/47ivo://CDS.VizieR/J/ApJS/277/47doi:10.26093/cds/vizier/bb-8n-1fCDSZhang S.Zhang H.-W.Ting Y.-S.Wang R.O'Briain T.Jones H.R.A.,Homeier D.Luo A.-L.2026-08-03T07:26:18Z2026-02-17T13:20:33ZCDS support team

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

cds-question@unistra.frm-starsvisible-astronomyspectroscopychemical-abundancesradial-velocityWe present fundamental atmospheric parameters (Teff and logg) and metallicities ([M/H]) for 507,513 M dwarf stars using low-resolution spectra (R~1800) from LAMOST DR10. By employing Cycle-StarNet, an innovative domain adaptation approach, we successfully bridge the gap between theoretical PHOENIX synthetic spectra and observed LAMOST spectra, enabling parameter measurements even for lower signal-to-noise (S/N) data (S/N>5). The fitting residual analysis shows a reduction from 2.0 times to 1.68 times the flux uncertainty. Comparing with available literature values, we find systematic offsets and precisions of 12{\pm}70K in Teff, -0.04{\pm}0.17dex in logg, and -0.06{\pm}0.20dex in [M/H]. The precision improves for higher-quality spectra (S/N>50) to 47K, 0.12dex, and 0.14 dex respectively. The metallicity consistency between wide binaries shows a scatter of 0.24dex, improving to 0.15dex at S/N>50. We provide a comprehensive catalog including stellar parameters, spectral classifications, activity indicators, and binary/variability flags, establishing a resource for studies of the most numerous stellar population.2025ApJS..277...47Zhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/277/47CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/sb9 : SB9: 9th Catalog of Spectroscopic Binary Orbits (Pourbaix+ 2004-2014)III/198 : Palomar/MSU nearby star spectroscopic survey (Hawley+ 1997)III/284 : APOGEE-2 data from DR16 (Johnsson+, 2020)I/357 : Gaia DR3 Part 3. Non-single stars (Gaia Collaboration, 2022)V/122 : SB9: 9th Catalogue of Spectroscopic Binary Orbits (Pourbaix+ 2005)VI/119 : High accuracy computed water line list - BT2 (Barber+, 2006)V/152 : The DEBCat detached eclipsing binary catalogue (Southworth, 2015)V/162 : LAMOST DR11 catalogs (Luo+, 2026)J/AJ/126/2421 : 2MASS-Selected sample of ultracool dwarfs (Cruz+, 2003)J/AJ/128/426 : Subdwarfs in the SDSS (West+, 2004)J/AJ/135/785 : SDSS-DR5 low-mass star spectroscopic sample (West+, 2008)J/A+A/497/497 : Physical parameters from JHK flux (Gonzalez-Hernandez+, 2009)J/AJ/141/97 : SDSS DR7 M dwarfs (West+, 2011)J/other/RAA/11.924 : Atmospheric parameters for 771 stars (Wu+, 2011)J/ApJ/748/93 : K-band spectra for 133 nearby M dwarfs (Rojas-Ayala+, 2012)J/AJ/145/102 : Spectrosc. of M dwarfs in the northern sky (Lepine+, 2013)J/AJ/145/52 : Abund. of late K and M dwarfs in binary systems (Mann+, 2013)J/A+A/556/A15 : Effective temperature scale of M dwarfs (Rajpurohit+, 2013)J/A+A/564/A90 : M subdwarfs VLT/UVES high res. spectra (Rajpurohit+, 2014)J/ApJ/804/64 : Empirical and model parameters of 183 M dwarfs (Mann+, 2015)J/ApJ/808/16 : Cannon: a new approach to determine abundances (Ness+, 2015)J/A+A/585/A64 : New atmospheric param. of MILES cool stars (Sharma+, 2016)J/ApJ/834/85 : H{alpha} emission in nearby M dwarfs (Newton+, 2017)J/ApJ/851/26 : Teff, metallicity & Ti abundance of M dwarfs (Veyette+, 2017)J/ApJ/836/77 : A library of high-S/N opt. spectra of FGKM stars (Yee+, 2017)J/A+A/615/A6 : Photospheric parameters of CARMENES stars (Passegger+, 2018)J/A+A/620/A180 : Stellar properties of M dwarfs (Rajpurohit+, 2018)J/A+A/612/A49 : 324 CARMENES M dwarfs velocities (Reiners+, 2018)J/ApJS/243/2 : SiIV and NV absorption line SDSS quasar systems (Chen+, 2019)J/AJ/157/63 : Radius relations for low-metallicity stars (Kesseli+, 2019)J/ApJ/878/134 : HARPS & X-shooter sp. of Southern M dwarfs (Kuznetsov+ 2019)J/A+A/627/A161 : CARMENES stars multiwavelength data (Passegger+, 2019)J/ApJ/879/69 : The Payne applied to the APOGEE DR14 data set (Ting+, 2019)J/ApJ/892/31 : Teff & metallicities of M dwarfs in APOGEE (Birky+, 2020)J/AJ/159/30 : High proper-motion M-type stars sp. obs. (Hejazi+, 2020)J/A+A/642/A121 : LHS1140 radial velocity data (Lillo-Box+, 2020)J/ApJ/905/107 : Sp. activity indicators of TIC stars (Medina+, 2020)J/MNRAS/506/150 : The GALAH+ Survey DR3 (Buder+, 2021)J/AJ/161/172 : The Solar Neighborhood. XLVII. Mdwarfs (Dieterich+, 2021)J/AJ/162/184 : APOGEE: Properties & RVel of binaries (Kounkel+, 2021)J/A+A/649/A147 : Spectroscopic parameters for 313 M dwarfs (Sarmento+, 2021)J/ApJ/908/131 : M-subdwarf research. II. Catalog (Zhang+, 2021)J/ApJS/260/45 : Stellar param. of M-type stars from LAMOST DR8 (Ding+, 2022)J/A+A/658/A115 : Proxima Cen ESPRESSO RV and FWHM (Faria+, 2022)J/ApJ/927/122 : The local disk & halo. II. (Hejazi+, 2022)J/A+A/660/A38 : Ultracool dwarfs with spectra in LAMOST DR7 (Wang+, 2022)J/A+A/674/A22 : Gaia DR3. Cross-match with known var. objects (Gavras+, 2023)J/AJ/166/63 : Mind the Gap. I. Ha activity for M-Dwarfs (Jao+, 2023)J/AJ/166/218 : New Gaia EDR3 binary cand. within 200pc of Sun (Medan+, 2023)J/ApJS/266/40 : Stellar parameters from LAMOST MRS DR8 (Wang+, 2023)J/ApJS/266/18 : Double-line spectroscopic binaries from LAMOST (Zheng+, 2023)J/MNRAS/527/521 : SB2s in LAMOST-MRS (Kovalev+, 2024)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/277/47https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/277/47http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/277/47https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/277/47https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/277/47http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/277/47GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJS/277/47/table2 (Value-added catalog)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/277/47/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/277/47/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/277/47/table2?GETtext/xml+votable180.050000true172.1611380655.302740.0055555555555555562/3-5 8 10 19-20 24 34-35 93-95 109 3/0-2 4-5 7 26 36-38 48 67-68 71-74 84-86 88-90 92 94 101-102 104-105 107 109-110 113 128-129 132 134 145-147 154 161-164 166 168 171 209 212-213 277-278 283-284 286 295 297 299 303-306 309-311 317 319 343 350-351 357 361-363 365 367 370-371 406 413 415 421 423 426 428 430 445-446 4/13-15 24-25 27 33-35 37-40 42-43 45-47 96-98 100-101 108 110 112 117-119 121 124-126 156-157 176-177 179 183 186 197-198 201 205 209 211-213 216-218 256-258 260-262 266-267 276 279-280 282-283 300 302-303 348-349 351 364 366-367 373-375 400-401 412-413 415 424-425 427 432-434 444 448-449 451 457-458 464 480 482 520-522 524 534-535 540 542-543 579 592 595 602-603 606 610-611 613-615 620-621 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17987 17994-17995 18064 18066-18067 18078-18079 18260-18262 18300-18301 18303 18388 18391 18641-18643 18661-18663 18717 18719 18726 18745 18747 18754-18755 18758-18759 18833-18835 18946-18947 18950 18956 18958-18959 18965 18967 18970 18976-18978 18980 18982 18985-18987 18995 19001 19076 19078-19079 19089-19091 19104-19105 19128-19130 19232-19234 19284 19286-19287 19352-19353 19355 19376-19378 19653-19655 19680-19682 19684-19685 19688 19690-19691 19697 19699 19712 19728-19729 19731 19996 19998-19999 20004-20005 20007 20012 20014 20032-20033 20035 20042-20043 20092-20093 20100 20102-20103 20113 20115 20123-20126 20139 20180 20182-20183 20196-20198 20200-20202 20236-20237 20239 20264 20269 20271 20284 20286-20287 20352-20353 20355 20360 20362 21355 21357-21359 21368 21371 21374 21422-21423 21432 21434 21437-21439 21441 21443 21464-21466 21470-21472 21474 21591 21597 21599 21619 21621-21623 21625 21629-21630 21687 21692-21694 21710-21711 21713 21717-21719 21722-21723 21726-21727 21730-21731 21760-21762 21764 21766-21767 21772-21773 21775 21786-21788 21790-21791 21868-21870 21880 21882-21885 21887 21889-21891 21893-21895 21904-21905 21907 21912-21913 21915 21920-21921 21924 21926-21927 21937-21939 22023 22034-22035 22039 22044 22046-22047 22092-22093 22095 22132-22133 22136-22138 22143 22148 22150 22158-22159 22161 22163 22170-22171 22212-22213 22215 22225 22227-22228 22230-22231 22233-22235 22300-22302 22313-22315 22324 22326-22327 22341-22343 22345 22348 22350-22351 22364 22366-22367 22369-22371 22375 22649 22651 22717 22722 22726-22727 22737-22739 22748 22750-22751 22760-22761 22763 22797 22799 22817-22819 22921-22923 22932 22934 22940 22942-22943 22977 22979 23063 23069 23071 23078-23080 23082-23083 23089-23091 23096 23098-23099 23296-23298 23304 23306-23307 23460-23461 23468 23470-23471 23481-23483 23568-23569 23571 23577-23579 23629-23631 23635 25439 25456-25457 25459 25514 25518 25530-25531 25533-25535 25541-25542 25553 25555 25561 25563 25569-25571 25573-25575 25584 25586-25587 25703 25715 25724 25773 25785 25788-25789 25798-25799 25804 25806-25807 25809 25817 25819 25845-25847 25857 25859 25861-25865 25867 25871 25873 25875 25878-25879 25881-25883 25885-25886 25888-25889 25898-25899 25929 25956-25958 26096-26098 26115 26117 26121-26123 26131 26137-26139 26152 26154-26155 26216 26219 26260 26262 26305 26307 26333 26352 26354-26355 26372-26374 26384-26385 26387 26392 26394-26395 26504-26505 26739 26745 26749 26813-26815 26823 26829-26831 26834-26835 26838-26839 26853 26855 26868-26870 26872 26874-26875 26879 26881 26884 26886 26888 26893 26895 26913-26915 27048 27050-27051 27138 27145 27147-27148 27150-27151 27153-27155 27161-27162 27164-27165 27167 27171 27177 27228 27230-27231 27252 27254-27255 27365 27367 27373-27375 27456-27458 27469-27471 27508-27510 27516 27518 27604-27606 27700 27702-27703 27716 27718-27719 27832 27834-27835 27884-27885 27887 28200-28201 28203 28212-28213 28215 28230 28240-28241 28243 28289 28364-28365 28417 28419 28425-28427 28448-28450 28654 29653 29659 29663 29684 30042 30070-30071 30149 30164-30166 30170-30171 30200-30201 30203 30250-30251 30254 30339-30341 30343 30345-30347 30349 30352 30354-30355 30358-30361 30363 30369 30383 30400 30415 30426-30427 30430-30431 30448-30450 30452-30454 30457 30459 30549 30559 30579 30581 30583-30586 30602 30624 30632 30634-30635 30674 30684 30847 30907 30910-30911 30929 30954-30955 30958-30959 30970-30971 30975 31003-31006 31027-31028 31031 31036 31039 31048 31050-31051 31055 31062-31063 31066 31068 31081-31086 31089-31092 31094 31096-31097 31099 31101-31103 31110 31121 31123 31133 31135 31142-31144 31147 31151 31154 31168-31170 31172-31174 31182-31185 31195 31201-31204 31206-31207 31212 31214 31221 31223 31225 31229 31231 31257 31259 31281 31283 31289 31291 31317-31319 31324-31325 31344 31346 31363 31369-31371 31418-31419 31452-31453 31455 31492 31495 31497-31499 31505 31507 31509-31511 31525-31527 31558 31564 31566-31567 31572-31573 31575 31578-31579 31581-31582 31584 31586-31587 31590 31600 31605 31607 31611 31645 31647 31649-31651 31660-31661 31663 31692 31694-31695 31697 31699 31706-31707 31709-31711 31736-31737 31739 31744 31746 31750-31752 31765-31767 31797 31799-31800 31802-31803 31805-31806 31812 31814-31815 31825-31828 31830-31831 31840-31841 31843-31846 31848 31854 31872-31873 31875 31882 31885-31886 31888 31890 31894-31895 31900-31901 31903-31904 31906-31909 31911 31920 31922-31923 31926-31927 31929-31932 31934-31935 31944 31946-31947 31955 31961 31963 31983-31985 31987 31997 32002-32003 32008 32010 32032 32034 32043 32045-32047 32058-32059 32073-32076 32078-32079 32090 32104-32105 32120 32124 32126-32127 32148 32150 32156 32158 32160-32162 32164-32165 32167 32184-32186 32214 32221 32235 32245 32251 32255 32316-32318 32321-32323 32326-32327 32338-32339 32341-32342 32348 32350-32351 32380 32383 32392-32394 32396 32402-32404 32406-32407 32413-32416 32418 32424 32428-32429 32432-32433 32436-32437 32439 32447 32464-32466 32485-32487 32489-32491 32524 32526 32529 32531 32533-32535 32539-32541 32556-32557 32559 32562 32566-32567 32583-32585 32587 32592 32595-32598 32605-32607 32628 32630-32631 32656-32657 32659 32665 32667 32672-32673 32682-32686 32704 32706 32708-32709 32711 32748-32750 36711 36717-36719 36722 36801-36803 36808-36809 36811 36832-36833 36836 36839 36843 36849-36851 40859 40883 40886 40889 40891-40893 40895 40905 40910 40915 40921 40923 40928 40930-40932 40934-40935 40937-40939 40945-40946 44979 44982 44986-44987 45017-45019 45022-45023 48988 48991 48998-48999 49008 49010-49011 49013 49022-49023 49116-49117 49119 491411.9867573869263685e-19 3.916500758235022e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/277/47?format=asciiOpticaldefaultJ/ApJS/277/47/table2Value-added catalogrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLAMOSTDesignation for the stellar object (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharObsID[101050/1018115126] Unique identifier for LAMOST spectrummeta.id;obslongRAJ2000Right Ascension (J2000)degpos.eq.ra;meta.mainindexedDEJ2000[-9.4/90] Declination (J2000)degpos.eq.dec;meta.mainindexedSNRr[5/299] Spectral signal to noise ratio in r-bandstat.snr;em.opt.RfloatSNRi[5/299] Spectral signal to noise ratio in i-bandstat.snr;em.opt.IfloatSubclSpectral subclass from LAMOST pipelinesrc.spTypecharSpT[-2/8]? Spectral subtype from SpT-TiO5 relationsrc.spTypeintnullableGmag[9.38/20.6]? Gaia DR3 G-band mean apparent magnitudemagphot.mag;em.optdoublenullableBPmag[9.9/21.3]? Gaia DR3 BP mean apparent magnitudemagphot.mag;em.opt.BdoublenullableRPmag[8.7/19]? Gaia DR3 RP mean apparent magnitudemagphot.mag;em.opt.RdoublenullablePlx[1/98.3]? Gaia DR3 parallaxpcpos.parallax.trigfloatnullablee_Plx[0.009/1.3]? Gaia DR3 error of Plxpcstat.error;pos.parallaxfloatnullableRUWE[0.6/1.5]? Gaia Renormalized Unit Weight Errorstat.errorfloatnullableRV[-307/330] Radial velocity measured in this studykm/sspect.dopplerVelocfloate_RV[3.2/23] Typical uncertainty of RVkm/sstat.error;spect.dopplerVelocfloatTeff[2876/4276] Estimated effective temperatureKphys.temperature.effectiveinte_Teff[20/166] Typical uncertainty of TeffKstat.error;phys.temperature.effectiveintLogg[4.2/5.5] Estimated log of surface gravityphys.gravityfloate_Logg[0.03/0.4] Typical uncertainty of Loggstat.error;phys.gravityfloat[M/H][-1.1/0.6] Estimated overall metallicityphys.abund.Zfloate_[M/H][0.04/0.44] Typical uncertainty of [M/H]stat.error;phys.abundfloatHa?[0/1] H{alpha} emission activity (1=H{alpha} emission detected)meta.codeintVar[0/2]? Potential variability or binarity (1)meta.code;src.varintnullable