Results 11 to 20 of about 73,052 (295)
Mapping the Galactic halo with main-sequence and RR Lyrae stars [PDF]
EPJ Web of Conferences, 2012 We present an analysis of Galactic halo structure, substructure, and metallicity traced by main-sequence and RR Lyrae stars selected from the SDSS stripe 82 and CFHT Legacy Survey data sets.
Sesar B.
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On the disc and halo of the milky way through a study of star clusters [PDF]
Serbian Astronomical Journal, 2000 The subject is the metallicity and the correlation between the metallicity and spatial distribution of star clusters of the Milky Way. The open star clusters are confirmed as good indicators for the population of the galactic disc, whereas the globular ...
Nagl M.
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The Galactic halo pulsar population [PDF]
Monthly Notices of the Royal Astronomical Society, 2018 Most population studies of pulsars have hitherto focused on the disc of the Galaxy, the Galactic centre, globular clusters, and nearby galaxies. It is expected that pulsars, by virtue of their natal kicks, are also to be found in the Galactic halo. We investigate the possible population of canonical (i.e.
Rajwade, K +3 more
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Magnetic Fields in Galactic Haloes [PDF]
Space Science Reviews, 2011 Magnetic fields on a range of scales play a large role in the ecosystems of galaxies, both in the galactic disk and in the extended layers of gas away from the plane. Observing magnetic field strength, structure and orientation is complex, and necessarily indirect.
Haverkorn, Marijke, Heesen, Volker
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Vertical Density Distribution of the Galaxy from Star Count Analysis [PDF]
Journal of Astronomy and Space Sciences, 2002 The five space density distribution D(z) with distance perpendicular to the Galactic plane were combined. The scale heights and the local densities at z = 0 of the thin disk, thick disk, and the halo components were estimated from the nonlinear least ...
Young-Jong Sohn
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Magnetic fields and UHECR propagation [PDF]
EPJ Web of Conferences, 2023 I review the main observational tools used to detect and measure magnetic fields in the interstellar medium of our Galaxy (considering both the Galactic disk and the Galactic halo), in the interstellar medium of external galaxies, and in the ...
Ferrière Katia
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GALACTIC WARPS IN TRIAXIAL HALOS [PDF]
The Astrophysical Journal, 2009 We study the behaviors of galactic disks in triaxial halos both numerically and analytically to see if warps can be excited and sustained in triaxial potentials. We consider the following two scenarios: 1) galactic disks that are initially tilted relative to the equatorial plane of the halo (for a pedagogical purpose), and 2) tilted infall of dark ...
Jeon, Myoungwon +2 more
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The Stellar Halo of the Galaxy is Tilted and Doubly Broken
The Astronomical Journal, 2022 Modern Galactic surveys have revealed an ancient merger that dominates the stellar halo of our galaxy (Gaia–Sausage–Enceladus, GSE). Using chemical abundances and kinematics from the H3 Survey, we identify 5559 halo stars from this merger in the radial ...
Jiwon Jesse Han +9 more
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Gravitational microlensing and the galactic halo [PDF]
Physical Review D, 1996 By means of extensive galactic modeling we study the implications of the more than eighty microlensing events that have now been observed for the composition of the dark halo of the Galaxy, as well as for other properties of the Galaxy. We take the Galaxy to be comprised of luminous and dark disk components, a bulge, and a dark halo consisting of both ...
Gates, Evalyn I. +2 more
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Dark matter annihilation at the galactic center [PDF]
, 1999 If cold dark matter is present at the galactic center, as in current models of the dark halo, it is accreted by the central black hole into a dense spike.
A. Eckart +24 more
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