Results 31 to 40 of about 2,000,138 (297)
Globular cluster system erosion and nucleus formation in elliptical galaxies [PDF]
, 1998 The radial distribution of globular clusters in galaxies is always less peaked to the centre than the halo stars'. Extending previous work to a sample of HST globular cluster systems in ellipticals, we evaluate the number of clusters lost to the galactic
Capuzzo-Dolcetta, R., Tesseri, A.
core +2 more sources
THE FLATTENING OF GLOBULAR CLUSTERS [PDF]
The Astronomical Journal, 1983 In the three nearest luminous galaxies, the Milky Way System, the Andromeda Galaxy and NGC 5128 the brightest globular clusters are rounder than the faintest ones. On the other hand (contrary to some previous results) the flattening of individual LMC clusters is found to be independent of their luminosities.
openaire +5 more sources
The Astrophysical Journal, 2023 We present a photometric analysis of globular cluster 47 Tuc (NGC 104) using near-IR imaging data from the GeMS/GSAOI Galactic Globular Cluster Survey (G4CS), which is in operation at Gemini-South telescope.
Mirko Simunovic +7 more
doaj +1 more source
Extensive Globular Cluster Systems Associated with Ultra Diffuse Galaxies in the Coma Cluster [PDF]
, 2017 We present Hubble Space Telescope (HST) imaging of two ultra diffuse galaxies (UDGs) with measured stellar velocity dispersions in the Coma cluster. The galaxies, Dragonfly 44 and DFX1, have effective radii of 4.7 kpc and 3.5 kpc and velocity dispersions
P. V. van Dokkum +9 more
semanticscholar +1 more source
Dynamics of the Globular Cluster System Associated with M87 (NGC 4486). II. Analysis [PDF]
, 2001 We present a dynamical analysis of the globular cluster system associated with M87 (= NGC 4486), the cD galaxy near the dynamical center of the Virgo cluster.
Bender R. +20 more
core +2 more sources
Constraining Co-Varying Coupling Constants from Globular Cluster Age
Universe, 2023 Equations governing the evolution of a star involve multiple coupling constants. Thus, the time it spends as a main-sequence star can be expected to depend on whether or not such constants vary over the time scale of stellar evolution.
Rajendra P. Gupta
doaj +1 more source
New VVV Survey Globular Cluster Candidates in the Milky Way Bulge [PDF]
Monthly notices of the Royal Astronomical Society, 2017 It is likely that a number of Galactic globular clusters remain to be discovered, especially toward the Galactic bulge. High stellar density combined with high and differential interstellar reddening are the two major problems for finding globular ...
D. Minniti +21 more
semanticscholar +1 more source
Extragalactic Globular Clusters in the Near-Infrared II. The Globular Clusters Systems of NGC 3115 and NGC 4365 [PDF]
, 2002 We combine near-infrared photometry obtained with the VLT/ISAAC instrument and archival HST/WFPC2 optical images to determine VIK magnitudes and colours of globular clusters in two early-type galaxies, NGC 3115 and NGC 4365.
Brodie, J. P. +7 more
core +5 more sources
Dynamical Substructures of Galactic Globular Clusters I. M5 [PDF]
Journal of Astronomy and Space Sciences, 2004 CCD images to study the dynamical substructure of the globular cluster M5. We investigate the radial variation of ellipticities and position angles using the stellar photometry and the IRAF ellipse task.
Jongwhan Rhee, Young-Jong Sohn
doaj +1 more source
The devil is in the tails: the role of globular cluster mass evolution on stream properties [PDF]
, 2017 We present a study of the effects of collisional dynamics on the formation and detectability of cold tidal streams. A semi-analytical model for the evolution of the stellar mass function was implemented and coupled to a fast stellar stream simulation ...
E. Balbinot, M. Gieles
semanticscholar +1 more source