Milky Way and Nearby Galaxies

Start year
1994
Organizational Unit
    General
    Description

    The overall aim of the project is to study the morphology, stellar populations, kinematics and dynamics (including formation and evolution) of the Milky Way and its satellite galaxies and other Local Group galaxies. The project can be divided into two main lines:
     

    I. Structure of the Milky Way and nearby galaxies.
    The detailed study of the morphology aims to provide a database of stellar distribution in the outermost and extinct regions of our Galaxy or in other galaxies. A combination of our own data are used together with public photometric (UKIDSS, VISTA-VVV near-infrared or SDSS) or spectroscopic (SDSS-APOGEE near-infrared, LAMOST) catalogues. The research group has also been integrated in the Spanish "Gaia" node with the idea of orienting part of our work in the scientific exploitation of the photometric and astrometric data of the most important survey for Galactic studies: the Gaia mission. Detailed information is available on the stellar distribution of the dominant stellar populations over a wide area of sky, covering different structural components in the Milky Way: triaxial bulge, long bar, disc, spiral arms, halo. The gas and dust components are also studied in infrared, or in microwave (Galactic contamination studies of the cosmic microwave background, for example with Planck data). 

     

    II. Dynamical studies and studies of the formation and evolution of galactic components.
    The kinematic and dynamical analyses aim at understanding the origin of the observed structures andtheir time evolution. The velocity maps of the Milky Way (obtained with Gaia data and complemented with spectroscopic data that allow a better determination of radial velocities, or to separate populations with different ages or metallicities) can be fitted with different theoretical scenarios to determine whether the Milky Way is in equilibrium or not, the origin of its warping, etc.

    Principal investigator
    Project staff

    Related publications

    Displaying 161 - 191 of 191
    A Double Main Sequence in the Globular Cluster NGC 6397 2012ApJ...745...27M
    The young stellar population of IC 1613. I. A new catalogue of OB associations 2009A&A...502.1015G
    Washington photometry of five star clusters in the Large Magellanic Cloud 2009A&A...501..585P
    VLT/FORS1 spectrophotometry of the first planetary nebula discovered in the Phoenix dwarf galaxy 2009A&A...494..515S
    The Proper Motion of the Magellanic Clouds. I. First Results and Description of the Program 2009AJ....137.4339C
    The Disc-Halo Structure of NGC 3109 2008AJ....136.2332H
    The ACS Nearby Galaxy Survey Treasury. I. The Star Formation History of the M81 Outer Disk 2009AJ....137..419W
    The ACS Nearby Galaxy Survey Treasury 2009ApJS..183...67D
    The ACS LCID Project: RR Lyrae Stars as Tracers of Old Population Gradients in the Isolated Dwarf Spheroidal Galaxy Tucana 2008ApJ...678L..21B
    The ACS LCID Project. VII. The Blue Stragglers Population in the Isolated dSph Galaxies Cetus and Tucana 2012ApJ...744..157M
    The ACS LCID Project. VI. The Star Formation History of The Tucana dSph and The Relative Ages of the Isolated dSph Galaxies 2010ApJ...722.1864M
    The ACS LCID Project. V. The Star Formation History of the Dwarf Galaxy LGS-3: Clues to Cosmic Reionization and Feedback 2011ApJ...730...14H
    The ACS LCID Project. IV. Detection of the Red Giant Branch Bump in Isolated Galaxies of the Local Group 2010ApJ...718..707M
    The ACS LCID Project. III. The Star Formation History of the Cetus dSph Galaxy: A Post-reionization Fossil 2010ApJ...720.1225M
    The ACS LCID Project. II. Faint Variable Stars in the Isolated Dwarf Irregular Galaxy IC 1613 2010ApJ...712.1259B
    The ACS LCID Project. I. Short-Period Variables in the Isolated Dwarf Spheroidal Galaxies Cetus and Tucana 2009ApJ...699.1742B
    Seven young star clusters in the inner region of the Small Magellanic Cloud 2008MNRAS.389..429P
    Revised Bolometric Corrections and Interstellar Extinction Coefficients for the ACS and WFPC2 Photometric Systems 2008PASP..120..583G
    Proper Motions of Local Group Dwarf Spheroidal Galaxies I: First Ground-Based Results for Fornax 2010PASP..122..853M
    Outside-In Disk Evolution in the Large Magellanic Cloud 2008ApJ...682L..89G
    On the Extended Structure of the Phoenix Dwarf Galaxy 2009ApJ...705..704H
    Old Main-Sequence Turnoff Photometry in the Small Magellanic Cloud. II. Star Formation History and its Spatial Gradients 2009ApJ...705.1260N
    Cepheid Variable Stars in the Pegasus Dwarf Irregular Galaxy: Constraints on the Star Formation History 2009AJ....137.3619M
    The Chemical Enrichment History of the Small Magellanic Cloud and its Gradients 2008AJ....136.1039C
    The Chemical Enrichment History of the Large Magellanic Cloud 2008AJ....135..836C
    Metallicities, Age-Metallicity Relationships, and Kinematics of Red Giant Branch Stars in the Outer Disk of the Large Magellanic Cloud 2011AJ....142...61C
    Low-resolution spectroscopy of main sequence stars belonging to 12 Galactic globular clusters. I. CH and CN band strength variations 2010A&A...524A..44P
    Chemical abundance analysis of the open clusters Cr 110, NGC 2099 (M 37), NGC 2420, NGC 7789, and M 67 (NGC 2682) 2010A&A...511A..56P
    Chemical abundance analysis of the open clusters Berkeley 32, NGC 752, Hyades, and Praesepe 2011A&A...535A..30C
    C and N abundances of main sequence and subgiant branch stars in NGC 1851 2012A&A...541A.141L
    Near-infrared study of the stellar population of Sh2-152 2011A&A...535A...8R