Results 51 to 60 of about 85,801 (378)
Variable stars in the VVV globular clusters [PDF]
EPJ Web of Conferences, 2017 The VVV survey observed some of the most crowded and most obscured regions in the inner MilkyWay during the last years. A significant sample of the less known globular clusters in our galaxy lie there. Combining the high-resolution, wide-field, nearinfrared capabilities of the survey camera, the use of 5 different filters, and multi-epoch observations,
Dante Minniti +8 more
openaire +5 more sources
The Supersonic Project: Star Formation in Early Star Clusters without Dark Matter
The Astrophysical Journal Letters, 2023 The formation mechanism of globular clusters (GCs) has long been debated by astronomers. It was recently proposed that supersonically induced gas objects (SIGOs)–which formed in the early Universe due to the supersonic relative motion of baryons and dark
William Lake +9 more
doaj +1 more source
Star Clusters Near and Far [PDF]
, 2020 Star clusters are fundamental units of stellar feedback and unique tracers of their host galactic properties. In this review, we will first focus on their constituents, i.e.
A. Adamo +10 more
semanticscholar +1 more source
Axial Rotation of Globular Star Clusters [PDF]
Nature, 1936 THE axial rotation of globular star clusters has not yet been measured, so far as we know, from the differences of radial velocities at their opposite edges, but indirect evidence of their rotation is the observed ellipticity. The oblateness e of a rotating body depends on the ratio of the centrifugal force to the gravity at the star's surface ; that ...
Zdeněk Kopal, Hubert Slouka
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Multiple Populations in Low-mass Globular Clusters: Eridanus
The Astrophysical Journal, 2023 Multiple populations (MPs), characterized by variations in light elemental abundances, have been found in stellar clusters in the Milky Way, Magellanic Clouds, as well as several other dwarf galaxies.
Yue Wang +7 more
doaj +1 more source
The Disruption of Globular Star Clusters in the Galaxy: A Comparative Analysisbetween Fokker-Planck and N-Body Models [PDF]
, 1998 Recent N-body simulations have shown that there is a serious discrepancy between the results of the N-body simulations and the results of Fokker-Planck simulations for the evolution of globular and rich open clusters under the influence of the galactic ...
Koji Takahashi, S. Zwart
semanticscholar +1 more source
Variable stars in the globular cluster M 13 [PDF]
Astronomy & Astrophysics, 2003 10 pages, 9 figures, 5 tables, accepted for publication in ...
Andrzej Pigulski +2 more
openaire +3 more sources
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.
doaj +1 more source
Did Globular Clusters Reionize the Universe? [PDF]
, 2002 A problem still unsolved in cosmology is the identification of the sources of radiation able to reionize HI in the intergalactic medium (IGM) by z~6. Theoretical works and observations seem to indicate that the fraction, f_esc, of HI ionizing radiation ...
Becker +44 more
core +3 more sources
Variable Stars in Galactic Globular Clusters [PDF]
The Astronomical Journal, 2001 45 pages, 10 figures, to be published in AJ November ...
John C. L. Wang +9 more
openaire +3 more sources