cluster, stellar
Is stellar multiplicity universal? Tight stellar binaries in the Orion nebula Cluster
... the cluster is consistent with that of the Galactic field population and roughly half as high as observed in other nearby ...of stellar properties or location in the ...
13
Sizes, colour gradients and resolved stellar mass distributions for the massive cluster galaxies in XMMUJ2235 2557 at z = 1 39
... To explain the observed evolution, the physical processes in- voked have to result in a large growth in size but not in stellar mass, nor drastic increase in the star formation rate. Most plausible candi- dates ...
30
Looking deep into the Rosette Nebula's heart : the (sub)stellar content of the massive young cluster NGC 2244
... ) stellar population in a sample of massive young clusters, we have targeted the ∼ 2 Myr old cluster NGC ...the cluster (∼ ...the cluster ’ s color – magnitude diagram to that of a control fi ...
22
Evolution of the brightest cluster galaxies: the influence of morphology, stellar mass and environment
... the stellar component of BCGs was initially formed through the collapse of cooling gas or gas-rich mergers at high redshifts; subsequently, BCGs continued to grow substan- tially by dissipationless processes such ...
12
On the massive stellar population of the super star cluster Westerlund 1
... Moreover, the study of clusters is important to the wider galactic evolution, since it is generally thought that massive stars form preferentially (perhaps exclusively) in star clusters (e.g., de Grijs 2005). An extreme ...
21
No wide spread of stellar ages in the Orion Nebula Cluster
... in stellar contraction ...Nebula Cluster (ONC) using three methods to diagnose disc presence from infrared ...low-mass stellar population have ages between ...individual stellar ages from the ...
11
The Role of Stellar Feedback in Star Cluster Formation
... with stellar feedback is described, extending previous work by simulating 10 different random realizations for each point in the parameter space of cloud mass and ...to stellar feedback, both ...
237
Observations of field and cluster RR Lyræ with Spitzer. Towards high precision distances with Population II stellar tracers
... old stellar populations in the Milky Way and other Local Group galaxies, but also for re- newed efforts to establish an independent cosmological distance scale entirely based on Population II indicators ...I ...
5
Three dynamically distinct stellar populations in the halo of M49
... intra- cluster stellar populations in the Virgo Cluster were derived from HST-ACS observations of ∼ 5300 stars in a single pointing lo- cated between M87, M86, and M84 at 190 kpc distance from M87 ...
10
Ionized gas discs in elliptical and S0 galaxies at z < 1
... In Jaff´e et al. (2011b), we studied the gas kinematics (from emis- sion lines), morphological disturbances, and the TFR of distant galaxies as a function of environment using the ESO Distant Cluster Survey ...
12
The SAMI galaxy survey : the cluster redshift survey, target selection and cluster properties
... A85 cluster is covered by the SDSS photometry and also partially covered by the VST/ATLAS ...the stellar mass proxies determined in Section ...The stellar mass determinations differ by only ...
26
Constraining stellar physics from red-giant stars in binaries – stellar rotation, mixing processes and stellar activity
... Asteroseismology is a powerful tool to study stellar struc- ture and dynamics as well as their evolution [1]. The NASA Kepler mission [2] delivered unprecedented, high- precision photometric data, enabling us to ...
9
Low metallicities and old ages for three ultra diffuse galaxies in the Coma cluster
... enables stellar population modeling of the full spectrum for stellar ages > 1 Gyr and for metallicities from approximately − ...MIST stellar isochrones ( Choi et ...
13
Chemical evolution of star-forming galaxies in the overdense environment
... of cluster environment on individual cluster galaxy ...the cluster core than at larger cluster radius (De Grandi & Molendi 2001; Hlavacek-Larrondo et ...galaxy cluster simulations ...
146
The G305 star-forming complex: the central star clusters Danks 1 and Danks 2
... the stellar populations and the pre-main-sequence stars, we find that Danks 2 is the elder of the two clusters, with an age of 3 + −1 3 ...total cluster masses of 8000 ± 1500 and 3000 ± 800 M for Danks 1 ...
16
Plewa, Philipp (2018): The galactic center in motion. Dissertation, LMU München: Fakultät für Physik
... S-star cluster can be addressed successfully, at least to some extent, by modeling the astrometric noise resulting from source confusion (see Chap 4), addressing this challenge fundamentally would require ...
129
The enhancement of rapidly quenched galaxies in distant clusters at 0 5 < z < 1 0
... 6. Stellar mass functions of galaxies in clusters (red) and the field (blue) at ...The cluster mass functions are normalised so that the total (integrated) density of galaxies matches the ...the ...
17
The spatially resolved stellar population and ionized gas properties in the merger LIRG NGC 2623
... 5.2. Merger-induced star formation and evolutionary scheme Another important aspect of mergers that must be taken into account is the spatial extension of the star formation. We have used multi-wavelength imaging from ...
23
Rotation and stellar evolution
... Observations of the surface rotation of stars can bring valuable constraints to the modelling of angular momentum transport in stellar interiors. For young solar-type stars in open clusters, observations of ...
10
Kiloparsec-scale simulations of star formation in disk galaxies. I. the unmagnetized and zero-feedback limit
... the stellar mass is about half of the total mass after 10 Myr and star cluster particles only originate within dense clumps, this suggests that the dense clump gas is continuously replenished from the lower ...
14