Published May 1, 2016 | Version v1
Journal article

On the dark matter distribution in the Milky Way

  • 1. The Oskar Klein Centre for Cosmoparticle Physics, Department of Physics, Stockholm University, AlbaNova, SE-106 91 Stockholm (Sweden)
  • 2. ICTP South American Institute for Fundamental Research, and Instituto de Física Teórica - Universidade Estadual Paulista (UNESP), Rua Dr. Bento Teobaldo Ferraz 271, 01140-070 São Paulo, SP Brazil (Brazil)

Description

The distribution of dark matter in the Milky Way is a crucial input for ongoing studies in cosmology, astrophysics and particle physics. This motivates the effort over the next years to improve our mapping of dark matter, which has indeed become a top priority in the field. We report briefly on the state of the art regarding the dark matter distribution in our Galaxy, with a special emphasis in the inner part of the Galaxy where baryons start to give an important dynamical contribute to the total gravitational potential. After introducing the kinematic data used to trace the rotation curve and the photometric data used to model the different baryonic components, we combine kinematics and photometry to single out the dark matter content. The procedure is then used to assess the evidence for dark matter and to constrain the underlying dark matter distribution with two conceptually distinct approaches, which we dub profile fitting and profile reconstruction. Finally, in view of the swarm of astronomical data soon to become available, we shortly address the expected progress in pinpointing dark matter across the Galaxy. (paper)

Availability note (English)

Available from http://dx.doi.org/10.1088/1742-6596/718/4/042031

Additional details

Publishing Information

Journal Title
Journal of Physics. Conference Series (Online)
Journal Volume
718
Journal Issue
4
Journal Page Range
[6 p.]
ISSN
1742-6596

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
49061232
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
ASTROPHYSICS; BARYONS; COSMOLOGY; DISTRIBUTION; MILKY WAY; NONLUMINOUS MATTER; PHOTOMETRY; ROTATION
Descriptors DEC
ELEMENTARY PARTICLES; FERMIONS; GALAXIES; HADRONS; MATTER; MOTION; PHYSICS