Refined M-type star catalog from LAMOST DR10 J/ApJS/281/58 ivo://CDS.VizieR/J/ApJS/281/58 CDS Li S. Li Y.-B. Luo A.-L. Liang J.-C. Wang Y.-F. Chen J. Zhang S.,Xiang M.-S. Jones H.R.A. Bai Z.-R. Ma X.-X. Zhang Y.-J. Lu H.-L. 2026-08-12T13:43:40Z 2026-08-12T14:23:40Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr m-stars visible-astronomy spectroscopy radial-velocity chemical-abundances stellar-spectral-types two-color-diagrams infrared-astronomy Precise stellar parameters for M-type stars, the Galaxy's most common stellar type, are crucial for numerous studies. In this work, we refined the LAMOST DR10 M-type star catalog through a two-stage process. First, we purified the catalog using techniques including deep learning and color-magnitude diagrams to remove 22,496 non-M spectra, corrected 2078 dwarf/giant classifications, and updated 12,900 radial velocities. This resulted in a cleaner catalog containing 870,518 M-type spectra (820,493 dwarfs, 50,025 giants). Second, applying a label transfer strategy using values from APOGEE DR16 for parameter prediction with a tenfold cross-validated convolutional neural network ensemble architecture, we predicted Teff, logg, [M/H], and [{alpha}/M] separately for M dwarfs (dMs) and giants (gMs). The average internal errors for dMs/gMs are, respectively, Teff 30/17K, logg 0.07/0.07dex, [M/H] 0.07/0.05dex, and [{alpha}/M] 0.02/0.02dex. Comparison with APOGEE demonstrates external precisions of 34/14K, 0.12/0.07dex, 0.09/0.04dex, and 0.03/0.02dex for dMs/gMs, which represent precision improvements of over 20% for dMs and over 50% for gMs compared to previous literature results. 2025ApJS..281...58L https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/281/58 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/328 : AllWISE Data Release (Cutri+ 2013) III/284 : APOGEE-2 data from DR16 (Johnsson+, 2020) I/352 : Distances to 1.47 billion stars in Gaia EDR3 (Bailer-Jones+, 2021) I/355 : Gaia DR3 Part 1. Main source (Gaia Collaboration, 2022) III/286 : APOGEE-2 DR17 final allStar catalog (Abdurro'uf+, 2022) V/162 : LAMOST DR11 catalogs (Luo+, 2026) J/AJ/137/4377 : List of SEGUE plate pairs (Yanny+, 2009) J/AJ/141/97 : SDSS DR7 M dwarfs (West+, 2011) J/ApJ/753/90 : Stellar param. of K5 & later type Kepler stars (Mann+, 2012) J/other/RAA/15.1182 : M Dwarf catalog of LAMOST DR1 (Guo+, 2015) J/ApJ/804/64 : Empirical and model parameters of 183 M dwarfs (Mann+, 2015) J/AJ/150/42 : Catalog of 2612 M dwarfs from LAMOST (Zhong+, 2015) J/other/RAA/15.1154 : M-giant star candidates in LAMOST DR 1 (Zhong+, 2015) J/AJ/151/144 : ASPCAP weights for APOGEE chemical elements (Garcia+, 2016) J/ApJ/823/59 : WISE and 2MASS photometry of M giant stars (Li+, 2016) 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/627/A161 : CARMENES multi wavelength measurements (Passegger+, 2019) J/AJ/157/216 : Stellar mult. rate of M dwarfs within 25pc (Winters+, 2019) J/ApJ/886/154 : Sgr stream K- & M-giants and BHB stars (Yang+, 2019) J/ApJS/240/31 : M-subdwarf research. I. LAMOST DR4 spectra (Zhang+, 2019) J/A+A/642/A121 : LHS1140 radial velocity data (Lillo-Box+, 2020) J/A+A/656/A162 : CARMENES stellar atmospheric parameters (Marfil+, 2021) J/ApJ/908/131 : M-subdwarf research. II. ~3000 subdwarfs (Zhang+, 2021) J/ApJ/931/133 : S-type stars from LAMOST MRS DR9 with Gaia DR2 (Chen+, 2022) 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/A+A/673/A105 : Deep Transfer Learning of Teff & [M/H] (Bello-Garcia+, 2023) J/A+A/674/A39 : Gaia DR3. 95 extrasolar planets (Gaia Coll.+, 2023) J/A+A/670/A19 : Fifth Catalogue of Nearby Stars (CNS5) (Golovin+, 2023) J/MNRAS/523/1297 : Optical spectra of M dwarfs blue depression (Jones+, 2023) J/A+A/670/A84 : Wolf 1069 RV & stellar activity indices (Kossakowski+, 2023) J/A+A/687/A205 : Stellar param. of CARMENES M dwarfs (Mas-Buitrago+, 2024) J/ApJS/277/47 : Metallicities for LAMOST LRS DR10 M dwarfs (Zhang+, 2025) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/281/58 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/281/58 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/281/58 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/281/58 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/281/58 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/281/58 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJS/281/58/table9 (Catalog) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/281/58/table9? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/281/58/table9? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/281/58/table9? 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31141-31144 31147-31148 31150-31151 31154 31172-31174 31196-31198 31204 31206-31207 31212 31214 31220-31221 31223 31225 31239 31257 31259 31281 31283 31289 31291 31344 31346 31363 31418-31419 31452-31453 31455 31504-31505 31507 31520 31522 31525-31527 31557-31559 31569-31573 31575 31577-31579 31584 31586-31587 31589-31591 31600-31601 31604-31605 31607 31611 31645 31647 31649-31651 31660-31661 31663 31736-31737 31739 31844-31846 31848-31849 31851-31854 31881-31883 31936-31938 31973-31976 32000 32002-32003 32023 32030 32045-32047 32058-32059 32064 32067 32070 32088 32090-32091 32120 32122 32156-32158 32196 32198 32200 32204-32205 32207 32210 32217-32218 32221-32223 32228 32234-32235 32242 32245-32246 32250-32252 32255 32321-32323 32341-32343 32380 32383 32392-32394 32396 32416 32418-32419 32423-32424 32426 32428-32429 32431-32433 32435 32441-32443 32447 32489-32491 32524-32526 32537-32541 32561-32564 32566-32567 32583-32585 32587 32605-32607 32628 32630-32631 32652 32654-32655 32664-32665 32667 32672-32673 32681-32683 32704-32706 32708-32709 32711 36711 36722-36723 36759 36765 36832-36833 36836 36839 36842-36843 36849-36851 40859 40889 40891 40903 40905 40915 40921-40923 40928 40930-40932 40934-40935 40945-40947 44979 44982 44984 44986-44987 45017-45019 45026 48981 48983 48998-48999 49008 49010-49011 49013-49014 49112-49113 49116-49117 49119 49141 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/281/58?format=ascii Optical Infrared default J/ApJS/281/58/table9 Catalog recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int obsid [101007/1018116189] The unique spectral ID from LAMOST DR10 meta.id;meta.main long RAJ2000 Right ascension from LAMOST DR10 (J2000) deg pos.eq.ra;meta.main indexed DEJ2000 [-9.7/89] Declination from LAMOST DR10 (J2000) deg pos.eq.dec;meta.main indexed snr-u [0/465.6]? Signal-to-noise ratio in the u band meta.note double nullable snr-g [0/900.25]? Signal-to-noise ratio in the g band stat.snr;instr.bandpass double nullable snr-r [0/999]? Signal-to-noise ratio in the r band stat.snr;instr.bandpass double nullable snr-i [0/999]? Signal-to-noise ratio in the i band stat.snr;instr.bandpass double nullable snr-z [0/999]? Signal-to-noise ratio in the z band stat.snr;pos.cartesian.z double nullable orp-u [0/1] Proportion of ormask values that are non-zero in u band meta.number float orp-g [0/1] Proportion of ormask values that are non-zero in g band meta.number float orp-r [0/1] Proportion of ormask values that are non-zero in r band meta.number float orp-i [0/1] Proportion of ormask values that are non-zero in i band meta.number float orp-z [0/1] Proportion of ormask values that are non-zero in z band meta.number float subCl Stellar spectral type from LAMOST DR10 src.spType char LClass Corrected dM/gM classification result meta.code.class;src.class char RVel [-615/449] Corrected radial velocity km/s spect.dopplerVeloc float e_RVel [-6/999]? Uncertainty in RVel (1) km/s stat.error;spect.dopplerVeloc double nullable n_RVel [0/1]? Validity flag for RVel (1=RVel recommended for use) (3) meta.note int nullable f_RVel Reference source of RVel (2) meta.code char Teff [2772/4611] Effective temperature K phys.temperature.effective int e_Teff [2/579] Uncertainty in Teff K stat.error;phys.temperature.effective int logg [-1.15/7] Log surface gravity log(cm.s**-2) phys.gravity float e_logg [0.007/1.4] Uncertainty in logg log(cm.s**-2) stat.error;phys.gravity float Z [-2.75/1.23] Metallicity phys.abund.Z float e_Z [0.006/1] Uncertainty in Z stat.error;phys.abund.Z float alpha [-0.41/0.51] Alpha element abundance phys.abund float e_alpha [0.002/0.3] Uncertainty in alpha stat.error;phys.abund float Use [0/1]? Stellar parameter quality flag (0=not recommended for use) (4) meta.code.qual;stat.param int nullable Gaia ? Unique source identifier from Gaia DR3 meta.id.cross nullable Rgeo [10/32096]? Median geometric distance posterior (5) pc pos.distance;stat.median double nullable E(B-V) [0/4.21] Color excess E (B-V) (6) mag phot.color.excess float Bp-Rp [-2.6/7.6] Extinction-corrected Gaia (Blue-Red) color (7) mag phot.color;em.opt.B;em.opt.R float GMag [-7.6/16.9] Absolute magnitude G band magnitude (8) mag phys.magAbs;em.opt float CMDFlag [0/1] Gaia astrometric parameter quality flag (1=reliable) (9) meta.code.qual;stat.param int CMDPos Position of sources (10) src.class char W1-W2 [-2.31/4.13] Extinction-corrected AllWISE W1-W2 color (11) mag phot.color;em.IR.3-4um;em.IR.4-8um float errW1 [0/0.6] Mean uncertainty of AllWISE W1 magnitude mag stat.error;phot.mag;em.IR.3-4um float errW2 [0/0.6] Mean uncertainty of AllWISE W2 magnitude mag stat.error;phot.mag;em.IR.4-8um float WISEA Display data from AllWISE (II/328) within 3" meta.ref.url char