Empirical stellar sp. library from LAMOST (ATLAS) J/ApJS/265/61 ivo://CDS.VizieR/J/ApJS/265/61 doi:10.26093/cds/vizier.22650061 CDS Ji W. Liu C. Deng L. Zhang Bo Li J. Tian H. Li J. 2025-02-06T20:12:04Z 2023-06-28T07:31:26Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr visible-astronomy spectroscopy surveys chemical-abundances photometry We present an empirical stellar spectra library, ATLAS, with resolution R~1800 and wavelength coverage from 3800-8700{AA}. These spectra are homogeneously observed by the Large Sky Area Multi-Object Fiber Spectroscopic Telescope and have been released in its DR5. ATLAS is separated into two groups, ATLAS-A and -T. The former contains 5584 spectra covering spectral types from O- to M-type and some special types such as A supergiant, blue horizontal-branch, and carbon stars. All of the spectra have absolutely calibrated fluxes at certain characteristic wavelengths corresponding to the optical passbands with accuracy better than 2.9% by comparing with PanSTARRS1 g-, r-, and i-band photometry. In addition, greater than 1% systematic uncertainty from the fundamental calibration should be considered separately. ATLAS-A contains 5342 spectra with spectral energy distribution effective temperature, surface gravity, and metallicity and 242 spectra with only the effective temperature and surface gravity. These parameters are consistent with the spectroscopic derived parameters of the same stars. Compared to current empirical libraries, ATLAS-A contains more cool giant stars, which may play a critical role in understanding the evolution of galaxies. ATLAS-T, on the other hand, contains 1118 spectral templates averaging over spectra with similar stellar parameters from ATLAS-A. It smooths out some special features in the individual spectra and can be used as a "standard" atlas of stellar spectra. Containing stellar spectra with almost all normal types, ATLAS may not only be a complete training data set for stellar spectra parameter determination but also an ideal legacy for stellar population synthesis. 2023ApJS..265...61J https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/265/61 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to VI/39 : Model Atmospheres (Kurucz, 1979) VII/102 : Spectrophotometric Atlas of Standard Stellar Spectra (Pickles 1985) III/218 : ELODIE archive (Prugniel+, 2001) III/232 : STELIB: A library of stellar spectra at R~2000 (Le Borgne+, 2003) VI/120 : High-resolution synthetic stellar library (Coelho+, 2005) V/164 : LAMOST DR5 catalogs (Luo+, 2019) V/156 : LAMOST DR7 catalogs (Luo+, 2019) I/350 : Gaia EDR3 (Gaia Collaboration, 2020) I/355 : Gaia DR3 Part 1. Main source (Gaia Collaboration, 2022) J/ApJS/94/687 : Old stellar populations. V. (Worthey+, 1994) J/A+AS/125/229 : A standard stellar library (Lejeune+ 1997) J/A+AS/130/65 : A standard stellar library. II. (Lejeune+ 1998) J/PASP/110/863 : A Stellar Spectral Flux Library: 1150-25000A (Pickles 1998) J/AJ/123/3409 : SDSS M, L, and T dwarfs (Hawley+, 2002) J/A+A/404/661 : Fe5270, Fe5335, Mgb & Mg2 synthetic indices (Barbuy+, 2003) J/ApJS/152/251 : Indo-US library of coude feed stellar sp. (Valdes+, 2004) J/A+A/417/1055 : Extensive library of synthetic spectra (Zwitter+, 2004) J/MNRAS/371/703 : MILES library of empirical spectra (Sanchez-Blazquez+, 2006) J/ApJ/684/1143 : BHB candidates in the Milky Way (Xue+, 2008) J/MNRAS/404/1639 : MILES base models & new line index system (Vazdekis+, 2010) J/ApJ/738/79 : SDSS-DR8 BHB stars in the Milky Way's halo (Xue+, 2011) J/ApJ/750/99 : The Pan-STARRS1 photometric system (Tonry+, 2012) J/ApJ/765/12 : Carbon stars & DQ WDs from SDSS-DR7+DR8 (Green, 2013) J/AJ/148/81 : APASS BVgri photometry of RAVE stars. I. (Munari+, 2014) J/ApJS/226/1 : Carbon stars from LAMOST DR2 data (Ji+, 2016) J/ApJS/230/16 : 05-L3 empirical stellar sp. from SDSS (Kesseli+, 2017) J/ApJ/836/77 : A library of high-S/N opt. sp. of FGKM stars (Yee+, 2017) J/ApJS/234/31 : Carbon stars from LAMOST using machine learning (Li+, 2018) J/MNRAS/485/2167 : M-type stars in LAMOST DR5 unclassified spectra (Guo+, 2019) J/ApJS/241/32 : OB stars from the LAMOST DR5 spectra (Liu+, 2019) J/ApJ/883/175 : 1st release of MaNGA Stellar Library (MaStar) (Yan+, 2019) J/ApJS/244/8 : M-type stars in LAMOST DR5 (Zhong+, 2019) J/ApJS/246/9 : Stellar parameters of LAMOST stars using SLAM (Zhang+, 2020) J/ApJS/257/54 : Early-type star param. from LAMOST LRS & MRS (Guo+, 2021) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/265/61 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/265/61 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/265/61 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/265/61 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/265/61 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/265/61 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJS/265/61/atlasa (ATLAS-A catalog) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/265/61/atlasa? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/265/61/atlasa? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/265/61/atlasa? 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26573-26576 26590 26596 26599 26609-26611 26615 26623 26853 26905 26908 26910 26923 26925 26930 26940-26941 26943 26945 26989 27011-27012 27014 27039 27041 27053 27055 27064 27066 27083 27107 27177 27183-27184 27200 27232 27236 27251 27255 27259 27273 27302 27338 27350 27356-27358 27380-27381 27409 27423 27457 27471 27483 27493 27495 27501 27504 27522 27530-27531 27545 27552 27554 27571 27581 27591 27610-27612 27614 27616 27624 27627 27635-27636 27640-27641 27643-27644 27646 27648 27654 27686-27687 27728 27731 27734-27735 27741-27743 27748 27750 27755-27756 27765 27770 27775 27811 27818 27844 27867 27893 27912 27918 27936 27938 27943 27945 27983 27986 27988-27989 27996 27999 28032 28034 28036 28041-28042 28064 28066-28067 28087 28093 28095 28101-28102 28130 28138 28142-28143 28148 28188 28190 28234 28238 28255-28256 28259 28262 28273-28274 28279 28284 28312-28313 28338 28358 28382-28383 28421 28431 28435 28437-28439 28442 28444 28446 28455 28464 28466-28467 28479 28482 28485 28491-28492 28494-28496 28503 28508 28512 28515-28516 28519-28520 28522 28526 28557 28573 28575 28588 28590 28593 28596 28605 28612 28634 28640 28642 30379 30398 30451 30458 30589 30677 30936 30960-30961 30964 30975 31034-31035 31037-31038 31063 31085 31096 31098 31121 31141 31150-31151 31156 31177 31200 31206 31208-31209 31211-31212 31294 31301 31303 31305 31309-31312 31320 31322 31356 31370 31385 31389 31453 31481 31483 31485 31487 31499 31509 31516 31531 31542 31548 31552 31555 31605 31627 31629-31631 31642-31643 31653 31656 31658 31661 31664 31667 31703 31706 31716 31733 31743 31746 31788 31806 31856 31891 31893-31894 31896 31899 31901 31926 31928 31933 31946 31992 32128 32173 32188 32190 32232 32234 32258 32267 32270 32293 32298 32303 32308 32320 32322-32324 32332 32334-32335 32340 32350 32352-32353 32356 32358 32368 32377 32386 32392-32393 32401 32411 32414 32476 32478 32480 32493 32499-32500 32505 32508 32524 32528 32533 32535 32540 32571 32574 32644 32650 32666 32692 32757-32759 32764 32766-32767 36813 36858 36860 36863 40903 40921 40927 40943 40956 40958 1.9867573869263685e-19 4.621782916333392e-19 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/265/61?format=ascii Optical default J/ApJS/265/61/atlasa ATLAS-A catalog e_plx [0.008/1] plx uncertainty (parallax_err) mas stat.error;pos.parallax float Gmag [7.9/19.5] Gaia eDR3 G-band magnitude (G_mag) mag phot.mag;em.opt double BPmag [8.7/19] Gaia eDR3 BP-band magnitude (BP_mag) mag phot.mag;em.opt.B double RPmag [7/16.2]? Gaia eDR3 RP-band magnitude (RP_mag) mag phot.mag;em.opt.R double nullable DR5 Display the LAMOST DR5 data (V/164) within 2" meta.ref.url char Sp Interactive spectrum plot meta.ref.url char SpID Name of the spectra in ATLAS-A (spectrum_name) meta.id;meta.file char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Teff [3172.4/50000] Effective temperature derived from SED fitting (Teff_sed) K phys.temperature.effective double logg [0.4/6] Log of surface gravity derived from SED fitting (logg_sed) log(cm.s**-2) phys.gravity float [M/H] [-1.5/0.51]? Metallicity converted from LAMOST [Fe/H] (M_H) phys.abund.Z float nullable Av [1.6e-7/3.8] Extinction in the V band derived from SED fitting (Av_sed) mag phys.absorption double DM [4.46/19.35] Distance modulus derived from SED fitting (Dm_sed) mag phot.mag.distMod float TeffDR5 [3230/8500]? Effective temperature obtained from LAMOST DR5 data (Teff_la) K phys.temperature.effective float nullable loggDR5 [0.43/4.9]? Surface gravity obtained from LAMOST DR5 data (logg_la) log(cm.s**-2) phys.gravity float nullable Gaia Gaia eDR3 identifier (sourceID) meta.id;meta.main RAJ2000 Gaia eDR3 Right ascension (J2000) (ra) deg pos.eq.ra;meta.main DEJ2000 [-9.2/61.6] Gaia eDR3 Declination (J2000) (dec) deg pos.eq.dec;meta.main plx [0.006/13] Gaia eDR3 Parallax (parallax) mas pos.parallax.trig float
J/ApJS/265/61/atlast ATLAS-T catalog recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Teff [3172.4/49928.1] Effective temperature derived from SED fitting (Teff_sed) K phys.temperature.effective double logg [0.4/6] Log of surface gravity derived from SED fitting (logg_sed) log(cm.s**-2) phys.gravity float [M/H] [-1.6/0.4]? Metallicity converted from LAMOST [Fe/H] (M_H) phys.abund.Z float nullable TeffDR5 [3230/9980]? Effective temperature obtained from LAMOST DR5 data (Teff_la) K phys.temperature.effective float nullable loggDR5 [0.4/5.1]? Surface gravity obtained from LAMOST DR5 data (logg_la) log(cm.s**-2) phys.gravity float nullable Sp Interactive spectrum plot meta.ref.url char SpID Name of the spectra in ATLAS-T (spectrum_name) meta.id;meta.file char