activity
20142023
most citedThe First Data Release (DR1) of the LAMOST general survey

862 citations · 3k across the 67 of their papers we have counts for

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35 papers · 1 filter

astro-ph.GA2018★ 19 cited

Metallicity and Kinematics of the Galactic halo from the LAMOST sample stars

Shuai Liu, Cuihua Du, Heidi Jo Newberg +8

We study the metallicity distribution and kinematic properties of 4,680 A/F/G/K-type giant stars with 5 kpc selected from the LAMOST spectroscopic survey. The metallicity di…

astro-ph.GA2017★ 42 cited

Spectral classification and composites of galaxies in LAMOST DR4

Li-Li Wang, A-Li Luo, Shi-Yin Shen +10

We study the classification and composite spectra of galaxy in the fourth data release (DR4) of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST). We select 40…

astro-ph.GA2017★ 7 cited

The LAMOST Complete Spectroscopic Survey of Pointing Area (LaCoSSPAr) in the Southern Galactic Cap I. The Spectroscopic Redshift Catalog

Ming Yang, Hong Wu, Fan Yang +29

We present a spectroscopic redshift catalog from the LAMOST Complete Spectroscopic Survey of Pointing Area (LaCoSSPAr) in the Southern Galactic Cap (SGC), which is designed to obse…

astro-ph.GA2017★ 24 cited

The peculiar in-plane velocities in the outer disc of the Milky Way

Hai-Jun Tian, Chao Liu, Jun-Chen Wan +9

We present the peculiar in-plane velocities derived from the LAMOST red clump stars, which are purified and separated by a novel approach into two groups with different ages. The s…

astro-ph.GA2017★ 39 cited

Mapping the Milky Way with LAMOST II: the stellar halo

Yan Xu, Chao Liu, Xiang-Xiang Xue +9

The radial number density and flattening of the Milky Way's stellar halo is measured with metal-poor ([Fe/H]) K giants from LAMOST DR3, using a nonparametric m…

astro-ph.GA2017★ 5 cited

Candidate members of the Pal 5, GD-1, Cetus Polar, and Orphan tidal stellar halo streams from Sdss DR9, Lamost DR3 and APOGEE catalogues

Guang-Wei Li, Brian Yanny, Hao-Tong Zhang +8

We present candidate members of the Pal 5, GD-1, Cetus Polar, and Orphan tidal stellar streams found in LAMOST DR3, SDSS DR9 and APOGEE catalogs. In LAMOST DR3, we find 20, 4, 24 h…

astro-ph.GA2017★ 5 cited

Quasars in the Galactic Anti-Center Area from the LAMOST DR3

Zhi-Ying Huo, Xiao-Wei Liu, Jian-Rong Shi +11

We present a sample of quasars discovered in the area of Galactic Anti-Center (GAC) of and , based on the LAMOST Data Rel…

astro-ph.GA2017★ 90 cited

LAMOST Spectroscopic Survey of the Galactic Anticentre (LSS-GAC): the second release of value-added catalogues

Maosheng Xiang, Xiaowei Liu, Haibo Yuan +29

We present the second release of value-added catalogues of the LAMOST Spectroscopic Survey of the Galactic Anticentre (LSS-GAC DR2). The catalogues present values of radial velocit…

astro-ph.GA2017★ 12 cited

A sample of metal-poor galaxies identified from the LAMOST spectral survey

Yulong Gao, Jianhui Lian, Xu Kong +8

We present a sample of 48 metal-poor galaxies at selected from 92,510 galaxies in the LAMOST survey. These galaxies are identified for their detection of the auroral em…

astro-ph.GA2017★ 58 cited

Mapping the Milky Way with LAMOST I: Method and overview

Chao Liu, Yan Xu, Jun-Chen Wan +8

We present a statistical method to derive the stellar density profiles of the Milky Way from spectroscopic survey data, taking into account selection effects. We assume that the se…

astro-ph.GA2016★ 14 cited

Kinematics of the Galactic disk from LAMOST Dwarf sample

Yingjie Jing, Cuihua Du, Jiayin Gu +10

Based on the LAMOST survey and Sloan Digital Sky Survey (SDSS), we use low-resolution spectra of 130,043 F/G-type dwarf stars to study the kinematics and metallicity properties of…

astro-ph.GA2016★ 1 cited

New tidal debris nearby the Sagittarius leading tail from the LAMOST DR2 M giant stars

Jing Li, Chao Liu, Jeffrey L. Carlin +7

We report two new tidal debris nearby the Sagittarius (Sgr) tidal stream in the north Galactic cap identified from the M giant stars in LAMOST DR2 data. The M giant stars with sky…

astro-ph.GA2016★ 24 cited

The peculiar velocities in the Galactic outer disk--hints of the elliptical disk and the perturbation of the spiral structures

Hai-Jun Tian, Chao Liu, Jun-Chen Wan +7

We present the peculiar in-plane velocities derived from the LAMOST red clump stars. From the variations of the in-plane velocity with the Galactocentric radius for the young and o…

astro-ph.GA2016★ 7 cited

Characterizing the SHARDS of Disrupted Milky Way Satellites with LAMOST

Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg +7

We derive the fraction of substructure in the Galactic halo using a sample of over 10,000 spectroscopically-confirmed halo giant stars from the LAMOST spectroscopic survey. By obse…

astro-ph.GA2015★ 2 cited

LAMOST 1: A Disrupted Satellite in the Constellation Draco

John J. Vickers, Martin C. Smith, Yonghui Hou +2

Using LAMOST spectroscopic data, we find a strong signal of a comoving group of stars in the constellation of Draco. The group, observed near the apocenter of its orbit, is 2.6 kpc…

astro-ph.GA2015★ 33 cited

A sample of galaxy pairs identified from the LAMOST spectral survey and the Sloan Digital Sky Survey

Shiyin Shen, M. Argudo-Fernández, Li Chen +23

A small fraction() of SDSS main sample galaxies(MGs) have not been targeted with spectroscopy due to the the fiber collision effect. These galaxies have been compiled into t…

astro-ph.GA2015★ 52 cited

Determining the local dark matter density with LAMOST data

Qiran Xia, Chao Liu, Shude Mao +7

Measurement of the local dark matter density plays an important role in both Galactic dynamics and dark matter direct detection experiments. However, the estimated values from prev…

astro-ph.GA2015★ 3 cited

The K giant stars from the LAMOST survey data II: the Hercules stream in radial migration

Chao Liu, Xiao-Yan Chen, Jun Yin +11

We estimate the age for the individual stars located at the lower part of the red giant branch from the LAMOST DR2 K giant sample. Taking into account the selection effects and the…

astro-ph.GA2015★ 24 cited

The stellar kinematics in the solar neighborhood from LAMOST data

Hai-Jun Tian, Chao Liu, Jeffrey L. Carlin +6

We use about 200,000 FGK type main-sequence stars from the LAMOST DR1 data to map the local stellar kinematics. With the velocity de-projection technique, we are able to derive the…

astro-ph.GA2015★ 2 cited

19 low mass hyper-velocity star candidates from the first data release of LAMOST survey

Yin-bi Li, A-Li Luo, Gang Zhao +12

Hyper-velocity stars are believed to be ejected out from the Galactic center through dynamical interactions between (binary) stars and the central massive black hole(s). In this pa…

astro-ph.GA2015

A Sample of E+A Galaxy Candidates in LAMOST Data Released 2

Haifeng Yang, Ali Luo, Xiaoyan Chen +14

A sample of 70 E+A galaxies are selected from 37, 206 galaxies in the second data release (DR2) of Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) according to t…

astro-ph.GA2015

On the metallicity gradients of the Galactic disk as revealed by LSS-GAC red clump stars

Yang Huang, Xiao-Wei Liu, Hua-Wei Zhang +10

Using a sample of over 70, 000 red clump (RC) stars with -% distance accuracy selected from the LAMOST Spectroscopic Survey of the Galactic Anti-center (LSS-GAC), we study t…

astro-ph.GA2015

The LAMOST Survey of Background Quasars in the Vicinity Fields of the M 31 and M 33 - III. Results from the 2013 Regular Survey

Zhi-Ying Huo, Xiao-Wei Liu, Mao-Sheng Xiang +7

In this work, we report new quasars discovered in the vicinity fields of the Andromeda (M31) and Triangulum (M33) galaxies with the LAMOST (Large Sky Area Multi-Object Fiber Spectr…

astro-ph.GA2015★ 1 cited

Galactic Disk Bulk Motions as Revealed by the LSS-GAC DR2

Ning-Chen Sun, Xiao-Wei Liu, Yang Huang +10

We report a detailed investigation of the bulk motions of the nearby Galactic stellar disk, based on three samples selected from the LSS-GAC DR2: a global sample containing 0.57 mi…