69 citations · 418 across the 17 of their papers we have counts for
14 papers · 1 filter
Revisiting the Milky Way stellar long bar and the 3 kpc arm
M. Lopez-Corredoira, W. Wu, H. -F. Wang +1
CONTEXT. One of the most difficult and unexplored regions of the Milky Way is the highly extincted in-plane central region within the Galactic coordinates $10^\circ \lesssim |\ell…
Dark matter fraction derived from the M31 rotation curve
F. Hammer, Y. B. Yang, P. Amram +6
Mass estimates of a spiral galaxy derived from its rotation curve must account for the galaxy's past accretion history. There are several lines of evidence indicating that M31 expe…
The Milky Way accretion history compared to cosmological simulations -- from bulge to dwarf galaxy infall
F. Hammer, Y. J. Jiao, G. A. Mamon +6
Galactic halos are known to grow hierarchically, inside out. This implies a correlation between the infall lookback time of satellites and their binding energy. Cosmological simula…
Stellar halo density with LAMOST K and M giants
M. Lopez-Corredoira, X. -C. Tang, H. Tian +3
AIMS. We derive the morphology of the stellar component in the outer halo volume, and search for possible overdensities due to substructures therein. METHODS. We made use of some o…
Local Stellar Kinematics and Oort Constants from the LAMOST A-type Stars
F. Wang, H. -W. Zhang, Y. Huang +3
We estimate the solar peculiar velocities and Oort constants using a sample of 5,627 A-type stars with and , selected from the LAMOST surveys. Th…
Gaia-DR2 extended kinematical maps. Part III: Rotation curves analysis, dark matter, and Modified Newtonian dynamics tests
Ž. Chrobáková, M. López-Corredoira, F. Sylos Labini +2
Recent statistical deconvolution methods have produced extended kinematical maps in a range of heliocentric distances that are a factor of two to three larger than those analysed i…
Mapping the Galactic disk with the LAMOST and Gaia red clump sample: IV: the kinematic signature of the Galactic warp
X. -Y. Li, Y. Huang, B. -Q. Chen +5
Using a sample of nearly 140,000 red clump stars selected from the LAMOST and Gaia Galactic surveys, we have mapped mean vertical velocity in the - plane f…
Mapping the Galactic disk with the LAMOST and Gaia Red clump sample. VI: An evidence for the long lived non-steady warp of non-gravitational scenarios
H. -F. Wang, M. López-Corredoira, Y. Huang +6
By combining LAMOST DR4 and Gaia DR2 common red clump stars with age and proper motion, we analyze the amplitude evolution of the stellar warp independently of any assumption with…
Diagonal Ridge pattern of different age populations found in Gaia DR2 with LAMOST Main-Sequence-Turn-Off and OB type Stars
H. -F. Wang, Y. Huang, H. -W. Zhang +5
We revisit the diagonal ridge feature (diagonal distributions in the plane) found in and present timing analysis for it between Galactocentric distances of …
A large catalogue of molecular clouds with accurate distances within 4 kpc of the Galactic disk
B. -Q. Chen, G. -X. Li, H. -B. Yuan +6
We present a large, homogeneous catalogue of molecular clouds within 4 kpc from the Sun at low Galactic latitudes ( 10\degr) with unprecedented accurate distance determina…
Gaia-DR2 extended kinematical maps. Part II: Dynamics in the Galactic disk explaining radial and vertical velocities
M. Lopez-Corredoira, F. Garzon, H. -F. Wang +5
Context: In our Paper I, by using statistical deconvolution methods, extended kinematics maps of Gaia-DR2 data have been produced in a range of heliocentric distances that are a fa…
Mapping the Galactic disk with the LAMOST and Gaia Red clump sample. II. 3D asymmetrical kinematics of mono-age populations in the disk between 6 \,kpc
H. -F. Wang, M. López-Corredoira, Y. Huang +11
We perform analysis of the three-dimensional kinematics of Milky Way disk stars in mono-age populations. We focus on stars between Galactocentric distances of and 14 \,kpc, s…
The Galactic disc phase spirals at different Galactic positions revealed by Gaia and LAMOST data
C. Wang, Y. Huang, H. -B. Yuan +9
We have investigated the distributions of stellar azimuthal and radial velocity components and in the vertical position-velocity plane - across the Galactic…
Milky Way tomography with the SkyMapper Southern Survey: I: Atmospheric parameters and distances of one million red giants
Y. Huang, B. -Q. Chen, H. -B. Yuan +7
Accurate determinations of atmospheric parameters (effective temperature , surface gravity log and metallicity [Fe/H]) and distances for large complete samples are…