Special Issue "On the Origin (and Evolution) of Baryonic Galaxy Halos"
A special issue of Galaxies (ISSN 2075-4434).
Deadline for manuscript submissions: closed (31 August 2017).
A printed edition of this Special Issue is available here.
Interests: extragalactic astronomy and cosmology; galaxies formation and evolution
Interests: high-energy astrophysics; AGNs; blazars; relativistic jets; relativistic astrophysics; plasma astrophysics; cosmology
The stellar components of galaxy halos hold informational clues about the early history of galaxies and their subsequent evolution.
The halos of our own Milky Way galaxy and close neighbor M31 have been studied in some detail. Deep, wide and detailed observations of galaxy halos beyond the Local Group are becoming more ubiquitous. Simulations, which incorporate realistic baryonic physics in a cosmological context have also made significant progress in recent years in modeling galaxy halos. These simulations predict outer halo regions that differ strongly in their formation processes and properties from the well-studied inner regions of galaxies. Halos have long dynamical times and, as such, preserve the unique signatures of galaxy assembly.
This Special Issue of Galaxies is based on the contributions presented during the international symposium “On the Origin (and Evolution) of Baryonic Galaxy Halos” held in Galapagos Islands, Ecuador, between 13 and 17 March, 2017. Gathering the leading theorists and observers around the world, along with young scientists and students, the conference analyzed. The origin and evolution of baryonic halos, how to define the stellar halo of an elliptical galaxy, the stellar components of galaxy halos: Metallicity, age, kinematics, density, substructures in galaxy halos, in-situ vs. ex-situ formed stars, halo tracers, such as resolved stars, globular clusters, planetary nebulae, satellite galaxies and diffuse gas.
The timing of the conference is well matched to the availability of premier facilities, such as new wide-field imagers, new spectrographs, such as MUSE the VLT (and soon KCWI on Keck). The upcoming launch of JWST will provide another step-change in observational capabilities. Significant progress as also been made recently with realistic galaxy simulations, such as Illustris, EAGLE and Magneticum.
Dr. Duncan Forbes
Dr. Ericson Lopez
Manuscript Submission Information
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