[1] Zolotov A, Willman B, Brooks A, et al. The dual origin of stellar halos. Ⅱ. Chemical abundances as tracers of formation history[J]. ApJ, 2010, 721(1):738-743.
[2] Font A S, Mccarthy I G, Crain R A, et al. Cosmological simulations of the formation of the stellar haloes around disc galaxies[J]. MNRAS, 2011, 416(4):2802-2820.
[3] Cooper A P, Parry O H, Lowing B, et al. Formation of in situ stellar haloes in Milky Way-mass galaxies[J]. MNRAS, 2015, 454(3):3185-3199.
[4] Purcell C W, Bullock J S, Kazantzidis S. Heated disc stars in the stellar halo[J]. ApJ, 2010, 404(4):1711-1718.
[5] Bromley B C, Kenyon S J, Brown W R, et al. Runaway stars, hypervelocity stars, and radial velocity surveys[J]. ApJ, 2009, 706(2):925-740.
[6] Sales L V, Navarro J F, Abadi M G, et al. Satellites of simulated galaxies:survival, merging and their relationto the dark and stellar haloes[J]. MNRAS, 2007, 379(4):1464-1474.
[7] Diemand J, Kuhlen M, Madau P, et al. Clumps and streams in the local dark matter distributio[J]. Nature, 2008, 454(7205):735-738.
[8] Klypin A A, Trujillo-Gomez S, Primack J. Dark matter halos in the standard cosmological model:results from the bolshoi simulation[J]. ApJ, 2011, 740(2):102-119.
[9] Hawkins K, Kordopatis G, Gilmore G, et al. Characterizing the high-velocity stars of RAVE:the discovery of a metal-rich halo star born in the Galactic disc[J]. MNRAS, 2015, 447(2):2046-2058.
[10] Chiba M, Beers T C. Kinematics of metal-poor stars in the galaxy. Ⅲ. Formation of the stellar halo and thick disk as revealed from a large sample of nonkinematically selected stars[J]. AJ, 2000, 119(6):2843-2865.
[11] Carollo D, Beers T C, Lee Y S, et al. Two stellar components in the halo of the Milky Way[J]. Nature, 2007, 450(7172):1020-1025.
[12] Carollo D, Beers T C, Chiba M, et al. Structure and kinematics of the stellar halos and thick disks of the Milky Way based on calibration stars from sloan digital sky survey DR7[J]. ApJ, 2010, 712(1):692-727.
[13] Beers T C, Carollo D, Ivezi? ?, et al. The case for the dual halo of the milky way[J]. ApJ, 2012, 746(1):34-57.
[14] An D, Beers T C, Santucci R M, et al. The fractions of inner-and outer-halo stars in the local volume[J]. ApJ, 2015, 813(2):L28-L34.
[15] Ivezi? ?, Sesar B, Juri? M, et al. The Milky May tomography with SDSS Ⅱ stellar metallicity[J]. ApJ, 2008, 684(1):287-325.
[15] Newberg, H J, Yanny, B, Rockosi, C, et al. The ghost of Sagittarius and Lumps in the halo of the Milky Way[J]. ApJ, 2002, 569(1):245-274.
[16] Deason A J, Belokurov V, Weisz D R. The progenitors of the milky Way stellar halo:big bricks favoured over little bricks[J]. MNRAS, 2015, 448(1):L77-L81.
[17] Helmi A, Veljanoski J, Breddels M A, et al. A box full of chocolates:the rich structure of the nearby stellar halo revealed by Gaia and RAVE[J]. A&A, 2017, 598:A58-A76.
[18] Cui X Q, Zhao Y H, Chu Y Q, et al. The large sky area multi-object fiber spectroscopic telescope (LAMOST)[J]. RAA, 2012, 12(9):1197-1242.
[19] Deng L C, Newberg H J, Liu C, et al. LAMOST experiment for galactic understanding and exploration (LEGUE):the survey's science plan[J]. RAA, 2012, 12(7):735-754.
[20] Zhao G, Zhao Y H, Chu Y Q, et al. LAMOST spectral survey:an overview[J]. RAA, 2012, 12(7):723-734.
[21] Wu Y, Luo A L, Li H N, et al. Automatic determination of stellar atmospheric parameters and construction of stellar spectral templates of the Guoshoujing Telescope (LAMOST)[J]. RAA, 2011, 11(8):924-946.
[22] Moultaka J, Ilovaisky S A, Prugniel P, et al. The ELODIE archive[J]. PASP, 2004, 116(821):693-698.
[23] Xiang M S, Liu X W, Yuan H B, et al. LAMOST spectroscopic survey of the galactic anticentre (LSS-GAC):the second release of value-added catalogues[J]. MNRAS, 2017, 467(2):1890-1914.
[24] Roeser S, Demleitner M, Schilbach E. The PPMXL catalog of positions and proper motions on the ICRS. Combining USNO-B1.0 and the two micron all sky survey (2MASS)[J]. AJ, 2010, 139(6):2440-2447.
[25] Jing Y J, Du C H, Gu J Y, et al. Kinematics of the Galactic disc from a LAMOST dwarf sample[J]. MNRAS, 2016, 463(3):3390-3397.
[26] Tian H J, Liu C, Carlin J L, et al. The stellar kinematics in the solar neighborhood from LAMOST data[J]. ApJ, 809(2):145-162.
[27] Ivezi? ?, Connolly A J, VanderPlas J T, et al. Statistics, data mining, and machine learning in astronomy[M]. Princeton:Princeton University Press, 2014:190-191.
[28] Xue X X, Rix H W, Zhao G, et al. The Milky Way's circular velocity curve to 60kpc and an estimate of the dark matter halo mass from the kinematics of~2400 SDSS blue horizontal-branch stars[J]. ApJ, 2008, 684(2):1143-1558.
[29] Navarro J F, Frenk C S, White S D M. The structure of cold dark matter halos[J]. ApJ, 1996, 462:563-575.
[30] Sesar B, Juri? M, I vezi? ?. The shape and profile of the Milky Way halo as seen by the Canada-France-Hawaii telescope legacy survey[J]. ApJ, 2011, 731(1):4-17.
[31] Deason A J, Belekurov V, Evans N W, et al. The Milky Way stellar halo out to 40kpc:squashed, broken but smooth[J]. MNRAS, 2011, 416(4):2903-2915.
