The First Data Release (DR1) of the LAMOST general survey

Abstract

The Large sky Area Multi-Object Spectroscopic Telescope (LAMOST) General Survey is a spectroscopic survey that will eventually cover approximately half of the celestial sphere and collect 10 million spectra of stars, galaxies and QSOs. Objects both in the pilot survey and the first year general survey are included in the LAMOST First Data Release (DR1). The pilot survey started in October 2011 and ended in June 2012, and the data have been released to the public as the LAMOST Pilot Data Release in August 2012. The general survey started in September 2012, and completed its first year of operation in June 2013. The LAMOST DR1 includes a total of 1202 plates containing 2,955,336 spectra, of which 1,790,879 spectra have observed signal-to-noise S/N >10. All data with S/N>2 are formally released as LAMOST DR1 under the LAMOST data policy. This data release contains a total of 2,204,696 spectra, of which 1,944,329 are stellar spectra, 12,082 are galaxy spectra and 5,017 are quasars. The DR1 includes not only spectra, but also three stellar catalogues with measured parameters: AFGK-type stars with high quality spectra (1,061,918 entries), A-type stars (100,073 entries), and M stars (121,522 entries). This paper introduces the survey design, the observational and instrumental limitations, data reduction and analysis, and some caveats. Description of the FITS structure of spectral files and parameter catalogues is also provided.

39 pages, 13 figures

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• Two Portions of Sagittarius Stream in the LAMOST Complete Spectroscopic Survey of Pointing Area at Southern Galactic Cap
• An Earth-sized Planet around an M5 Dwarf Star at 22 pc
• Li-rich Giants Identified from LAMOST DR8 Low-Resolution Survey
• Reliable stellar abundances of individual stars with the MUSE integral-field spectrograph
• A New Transition Wolf-Rayet WN/C Star in the Milky Way
• The Data Processing of the LAMOST Medium-Resolution Spectral Survey of Galactic Nebulae (LAMOST MRS-N Pipeline)
• Collisions of Terrestrial Worlds: The Occurrence of Extreme Mid-Infrared Excesses around Low-Mass Field Stars
• Stellar X-ray activity and habitability revealed by ROSAT sky survey
• Detection of Tidally Excited Oscillations in Kepler Heartbeat Stars
• Variability of Young Stellar Objects in the Perseus Molecular Cloud
• Chemodynamical Properties and Ages of Metal-Poor Stars in S-PLUS
• A Simple Unified Spectroscopic Indicator of Stellar Luminosity: the Extended Flux Weighted Gravity-Luminosity Relationship
• Atmospheric parameters and kinematic information for the M giants stars from LAMOST DR9
• Member candidates of the star clusters from LAMOST DR2 data
• A kinematically unbiased, all-sky search for nearby, young, low-mass stars
• Existence of the Metal-Rich Stellar Halo and High-velocity Thick Disk in the Galaxy
• Revisiting the Architecture of the KOI-89 System
• Evidence for Co-rotation Origin of Super Metal Rich Stars in LAMOST-Gaia: Multiple Ridges with a Similar Slope in phi versus Lz Plane
• Progress in Nuclear Astrophysics of East and Southeast Asia
• Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars
• A catalogue of H$\alpha$ emission-line point sources in the vicinity fields of M31 and M33 from the LAMOST survey
• Exploring the ex-situ components within Gaia DR3
• Parameter Estimation of LAMOST Medium-resolution Stellar Spectra
• Stellar Chromospheric Activity Database of Solar-like Stars Based on the LAMOST Low-Resolution Spectroscopic Survey: II. the bolometric and photospheric calibration
• Autonomous Disentangling for Spectroscopic Surveys
• The Solar System's passage through the Radcliffe wave during the middle Miocene
• LEMONY--a Library of Empirical Medium-resolution spectra by Observations with the NAOC Xinglong 2.16\,m and YNAO Gaomeigu 2.4\,m telescopes
• The Lives of Stars: Insights From the TGAS-RAVE-LAMOST Dataset
• The LAMOST Complete Spectroscopic Survey of Pointing Area (LaCoSSPAr) in the Southern Galactic Cap I. The Spectroscopic Redshift Catalog
• Testing the distance scale of the Gaia TGAS catalogue by kinematic method
• On the Migration Origin of the Hercules Moving Group with GAIA, LAMOST, APOGEE, and GALAH Surveys
• Investigation of stellar magnetic activity using variational autoencoder based on low-resolution spectroscopic survey
• Estimating stellar effective temperatures and detected angular parameters using stochastic particle swarm optimization
• Light-time effect detected in fourteen eclipsing binaries
• Unbiased Spectroscopic Study of the Cygnus Loop with LAMOST. I. Optical Properties of Emission Lines and the Global Spectrum
• Searching For Transiting Planets Around Halo Stars. I. Sample Selection and Validation
• Chemodynamics of metal-poor wide binaries in the Galactic halo: Association with the Sequoia event
• Stellar populations of galaxies in the LAMOST spectral survey
• Ensemble age inversions for large spectroscopic surveys
• Identification of new M31 star cluster candidates from PAndAS images using convolutional neural networks
• The preliminary statistical analysis of LAMOST DR8 low resolution AFGK stars
• Spectroscopic study of Herbig Ae/Be stars in the Galactic Anti-center region from LAMOST DR5
• A Galactic Self-Portrait: Density Structure and Integrated Properties of the Milky Way Disk
• Sustaining Star Formation in the Galactic Star Cluster M 36?
• CSS_J154915.7+375506: A low-mass-ratio marginal contact binary system with a hierarchical third body
• A Catalog of 12,766 Carbon-enhanced Metal-poor Stars from LAMOST Data Release 8
• Relativistic Astronomy. III. test of special relativity via Doppler effect
• Photometric properties and stellar parameters of the rapidly rotating magnetic early-B star HD 345439
• Toward Cosmicflows-4: The \hi data catalog
• Four ages of rotating stars in the rotation--activity relationship and gyrochronology
• The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
• Quasars in the Galactic Anti-Center Area from the LAMOST DR3
• Multiple gas phases in supernova remnant IC 443: mapping shocked H${}_2$ with VLT/KMOS
• Local disc model in view of Gaia DR1 and RAVE data
• Automated Pipelines for Spectroscopic Analysis
• Predicting light curves of RR Lyrae variables using artificial neural network based interpolation of a grid of pulsation models
• A Chandra X-ray Survey of Optically Selected Close Galaxy Pairs: Unexpectedly Low Occupation of Active Galactic Nuclei
• The first photometric investigation and spectroscopic analysis of two contact binaries: ASAS J124343+1531.7 and LINEAR 2323566
• Deciphering the Kinematic Substructure of Local Dark Matter with LAMOST K Giants
• The Compactness of Galaxy Groups in the Sloan Digital Sky Survey
• Spectroscopic classification and Gaia DR2 parallaxes of new nearby white dwarfs among selected blue proper motion stars
• Fuzzy Cluster Analysis: Application to Determining Metallicities for Very Metal-poor Stars
• LAMOST medium-resolution spectroscopic survey of binarity and exotic star (LAMOST-MRS-B): Observation strategy and target selection
• The miniJPAS survey: stellar atmospheric parameters from 56 optical filters
• Data-driven stellar parameters for southern TESS FGK targets
• Estimation of Stellar Parameters and Mass Accretion Rate of Classical T Tauri Stars from LAMOST DR6
• Study on Outliers in the Big Stellar Spectral Dataset of the Fifth Data Release (DR5) of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST)
• Measuring the Diffuse Interstellar Bands at 5780, 5797, and 6614 Å in Low-Resolution Spectra of Cool Stars from LAMOST
• X-ray Activity from Different Types of Stars
• Search for the metal-weak thick disk from the LAMOST DR5
• Identification and parameter determination of F-type Herbig stars from LAMOST DR8
• A large, long-lived, slowly-expanding superbubble across the Perseus Arm
• Estimating accurate reddening values of LAMOST M dwarfs
• Identification of Interesting Objects in Large Spectral Surveys Using Highly Parallelized Machine Learning
• Molecular Clouds Associated with {H \small{II}} regions and Candidates within l = 106.65${}^{\circ }$ to 109.50${}^{\circ }$ and b = $-$1.85${}^{\circ }$ to 0.95${}^{\circ }$
• Detailed Mapping of the Galactic Disk Structure in the Solar Neighborhood through LAMOST K Dwarfs
• Investigating Variable Stars in the Open Cluster NGC 1912 and Its Surrounding Field
• Stellar population analysis on the stacked spectra of double-peaked emission-line galaxies
• The first low-mass eclipsing binary within the fully convective zone from TMTS
• LAMOST 1: A Disrupted Satellite in the Constellation Draco
• The Large Sky Area Multi-object Fiber Spectroscopic Telescope (LAMOST) Quasar Survey: Quasar Properties from Data Release 10 to 12
• An Isolated Compact Galaxy Triplet
• LAMOST YSOs. I. Spectroscopically identifying and characterizing M-type young stellar objects
• KIC 10855535: An elegant Delta Scuti pulsator with Amplitude and Phase Modulation
• Diffuse Ionized Gas in the Anti-center of the Milky Way
• The Relative Calibration of Radial Velocity for LAMOST Medium Resolution Stellar Spectra
• Period-Luminosity-Metallicity-Color Relations of Late-type Contact Binaries in the Big Data Era
• Spectral Synthesis via Mean Field approach Independent Component Analysis
• Spectroscopically Identified Cataclysmic Variables from LAMOST survey. I. The Sample
• LAMOST J045019.27+394758.7, with peculiar abundances of N, Na, V, Zn, is possibly a Sculptor dwarf galaxy escapee
• Nearly 30,000 late-type main-sequence stars with stellar age from LAMOST DR5
• KIC 7914906: An Eclipsing Heartbeat Star with Tidally Excited Oscillations and Gamma Doradus/Delta Scuti Hybrid Pulsations
• Gaia DR3 high radial velocity stars: Genuine fast-moving objects or outliers?
• Scalable Stellar Parameter Inference Using Python-based LASP: From CPU Optimization to GPU Acceleration
• Diversity in Evolutionary Status and Magnetic Activity among Solar-Type Twin Detached Eclipsing Binaries
• The metal-poor tail of the APOGEE survey I. Uncovering [Fe/H] < -2.5 stars from the inner Galaxy to the Magellanic Clouds
• Spatially-resolved Galactic HII regions observed by LAMOST medium-Resolution Spectroscopic Survey of Nebulae (LAMOST MRS-N)
• Formation of A Nuclear Star Cluster Through A Merger Event In The Low Surface Brightness Galaxy AGC 223218
• Nuclear astrophysics
• A new moving group in the Local Arm
• Classical Be Stars and Classical Be Star Binaries from LAMOST DR12
• Exploring the History of Stellar Mergers with Chemistry: Examining the Origins of Massive $\alpha$-Enriched Stars using Carbon Isotope Ratios
• Multiwavelength Catalog of 10,000 4XMM-DR13 Sources with Known Classifications
• A Spectroscopic Modelling Method for the Detached Eclipsing Binaries to Derive Atmospheric Parameters
• New tidal debris nearby the Sagittarius leading tail from the LAMOST DR2 M giant stars
• Moving Groups in the Solar Neighborhood with Gaia, APOGEE, GALAH, and LAMOST: Dynamical Effects Gather Gas and the Ensuing Star Formation Plays an Important Role in Shaping the Stellar Velocity Distributions
• Applying Vision Transformers on Spectral Analysis of Astronomical Objects
• Estimating Stellar Atmospheric Parameters and [α/Fe] for LAMOST O-M type Stars Using a Spectral Emulator
• Correction factors of the measurement errors of the LAMOST-LRS stellar parameters
• Mass Ratio Distribution of Hierarchical Triple Systems from the LAMOST-MRS Survey
• Intensities of the hydrogen Balmer lines of solar-like stars revealed by the LAMOST spectroscopic surveys
• Search for young stellar objects within 4XMM-DR13 using CatBoost and SPE
• Hidden oscillations in plain sight: identification of seismically unresolved red-giant asteroseismic binary candidates
• Radial Distributions of Star Formation and Gas-phase Metallicity in Spiral-Elliptical Galaxy Pairs
• J-PLUS: Searching for very metal-poor star candidates using the SPEEM pipeline
• On the metallicity gradients of the Galactic disk as revealed by LSS-GAC red clump stars
• The formation of blue cluster in local Universe
• Estimation of the flux at 1450MHz of OB stars for FAST and SKA
• Absolute physical parameters of three poorly studied detached eclipsing binaries
• A hybrid SLAM-Payne framework for atmospheric parameter and abundance determination of early-type Stars from LAMOST DR9 low-resolution Spectra
• The evolution of stellar metallicity gradients of the Milky Way disk from LSS-GAC main sequence turn-off stars: a two-phase disk formation history?
• Identifying Hierarchically Triple Star Systems with Gaia DR3 and LAMOST
• HI Gas and Star Formation in Major Galaxy Pairs from the FAST All-Sky HI Survey (FASHI)
• Characterizing Some Gaia Alerts with LAMOST and SDSS
• Detection and Preliminary Characterisation of Polluted White Dwarfs from Gaia EDR3 and LAMOST
• Looking for Signs of Unresolved Binarity in the Continuum of LAMOST Stellar Spectra
• The reason for the occurrence of W-type contact binaries
• High-Priority Compact-Object Candidates in Young Clusters from the \textit{Gaia} DR3 Non-Single-Star Catalog
• Transit Hunt for Young and Maturing Exoplanets (THYME) VIII: a Pleiades-age association harboring two transiting planetary systems from Kepler
• J-PLUS: Systematic impact of metallicity on photometric calibration with the stellar locus
• Searching for Classical Be Stars from the LAMOST DR1
• A Catalog of 45,206 Hα Emission-line Stars from LAMOST MRS DR7
• Refined M-type Star Catalog from LAMOST DR10: Measurements of Radial Velocities, $T_{\text{eff}}$, log $g$, [M/H] and [$\alpha$/M]
• Estimating stellar atmospheric parameters and elemental abundances using fully connected residual network
• Variability of H$\alpha$ chromospheric activity of solar-like stars revealed by the time-domain data of LAMOST Medium-Resolution Spectroscopic Survey
• J-PLUS Reconstructing the Milky Way Disc's star formation history with twelve-filter photometry
• PISP: Projected-Space Inference of Stellar Parameters
• Locate a stellar flare from the M dwarf LAMOST J1332+5057
• TYC~2990-127-1: an Algol-type SB2 binary system of subgiant and red giant with a probable ongoing mass-transfer
• The GALAH Survey: Neutron-Capture Elemental Abundances for 350,000 Gaia-RVS spectra and the Chemodynamics of Accreted Structures
• A Value-added Physical Properties Catalog for Low-redshift Galaxies from DESI Legacy Imaging Surveys DR10
• The multiple corrugations in the Galactic disk derived from the LAMOST and Gaia survey data