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Mass segregation and fractal substructure in young massive clusters: (I) the McLuster code and method calibration
galaxies: star clusters: individual: R136 — galaxies: star formation —methods: data analysis — Magellanic Clouds
2011/10/8
By analysing models of the young massive cluster R136 in 30 Doradus, set-up using the herewith introduced and publicly made available code McLuster, we investigate and compare different methods for de...
Multiple stellar populations in the Globular Clusters NGC1851 and NGC6656 (M22)
Stars: abundances – Stars: atmospheres – Stars: Population II – Galaxy: glob- ular clusters
2011/9/30
In the last years, photometric and spectroscopic evidence has demonstrated that many, maybe all the Globular Clusters (GC) host multiple stellar populations. High-resolution spectroscopy has establish...
Spectroscopic Study of the Globular Clusters in M31。
The Ks-band Tully–Fisher Relation – A Determination of the Hubble Parameter from 218 ScI Galaxies and 16 Galaxy Clusters
Distance scale—galaxies distances and redshifts
2010/9/15
The value of Hubble parameter (H0) is determined using the morphologically type dependent Ks-band Tully–Fisher Relation (K-TFR).The slope and zero point are determined using 36 calibrator galaxies wit...