activity
20102026
most citedLAMOST Experiment for Galactic Understanding and Exploration (LEGUE) The survey science plan

553 citations · 5.8k across the 128 of their papers we have counts for

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Showing 2015Show all

9 papers · 1 filter

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.SR2015★ 8 cited

Member candidates of the star clusters from LAMOST DR2 data

Bo Zhang, Xiao-Yan Chen, Chao Liu +10

In this work, we provide 2189 photometric- and kinematic-selected member candidates of 24 star clusters from the LAMOST DR2 catalog. We perform two-step membership identification:…

astro-ph.SR2015

Spectral classification of stars based on LAMOST spectra

Chao Liu, Wen-Yuan Cui, Bo Zhang +6

In this work, we select the high signal-to-noise ratio spectra of stars from the LAMOST data andmap theirMK classes to the spectral features. The equivalentwidths of the prominent…

astro-ph.GA2015★ 23 cited

Red Clump Stars from the LAMOST data I: identification and distance

Junchen Wan, Chao Liu, Licai Deng +5

We present a sample of about 120,000 red clump candidates selected from the LAMOST DR2 catalog based on the empirical distribution model in the effective temperature vs. surface gr…

astro-ph.GA2015★ 42 cited

Estimation of distances to stars with stellar parameters from LAMOST

Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg +15

We present a method to estimate distances to stars with spectroscopically derived stellar parameters. The technique is a Bayesian approach with likelihood estimated via comparison…

astro-ph.GA2015★ 22 cited

Kinematics of the X-shaped Milky Way Bulge: Expectations from a Self-consistent N-body Model

Yujing Qin, Juntai Shen, Zhao-Yu Li +5

We explore the kinematics (both the radial velocity and the proper motion) of the vertical X-shaped feature in the Milky Way with an N-body bar/bulge model. From the solar perspect…

astro-ph.GA2015★ 239 cited

Rings and Radial Waves in the Disk of the Milky Way

Yan Xu, Heidi Jo Newberg, Jeffrey L. Carlin +5

We show that in the anticenter region, between Galactic longitudes of , there is an oscillating asymmetry in the main sequence star counts on either side of…