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stellar populations

Intergalactic stellar populations in intermediate redshift clusters

Intergalactic stellar populations in intermediate redshift clusters

... The current state-of-the-art results indicate, for exam- ple, that while AGN feedback reduces the discrepancy be- tween models and observations, the ICL fractions observed in a reasonably representative sample of ...

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Spectroscopic search for multiple stellar populations in the main sequence of the globular cluster M3

Spectroscopic search for multiple stellar populations in the main sequence of the globular cluster M3

... The second part is devoted to the calculation of spectroscopic indices, either as defined in the literature as part of the Lick/IDS system (Trager et al. 1998) or those reported by Pancino et al. (2010), and ...

129

Stellar populations analysis along the Hubble sequence

Stellar populations analysis along the Hubble sequence

... their stellar populations can be done only by the analysis of their integrated ...of stellar population synthesis mod- ...new stellar libraries, the effects of non-solar element abundances and ...

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The Formation of Globular Cluster Systems in Massive Elliptical Galaxies: Globular Cluster Multimodality from Radial Variation of Stellar Populations

The Formation of Globular Cluster Systems in Massive Elliptical Galaxies: Globular Cluster Multimodality from Radial Variation of Stellar Populations

... composite stellar populations predicted by the Pipino and Matteucci multizone photochemical evolution code, we compute the distribution of globular cluster properties as a function of galactocentric ...

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Sodium oxygen anticorrelation and neutron capture elements in omega centauri stellar populations

Sodium oxygen anticorrelation and neutron capture elements in omega centauri stellar populations

... multiple stellar populations, yet it remains the most ...multiple stellar population phenomenon manifests in this cluster, it has been suggested that it may be the remnant of a larger stellar ...

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Variability and stellar populations with deep optical IR images of the Milky Way disc: matching VVV with VLT/VIMOS data

Variability and stellar populations with deep optical IR images of the Milky Way disc: matching VVV with VLT/VIMOS data

... We have used deep optical data from VLT / VIMOS and near- IR data from VISTA to search for variable stars and to inves- tigate stellar populations near the Galactic plane in the con- stellation Centaurus. ...

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Galaxy population identification with a phylogenetic approach.

Galaxy population identification with a phylogenetic approach.

... the stellar populations and interstellar ...their stellar mass: massive galaxies are less star-forming than their low-mass counterparts (Cowie et ...The stellar mass of galaxies is finally ...

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PGC 0029664 1188757: Photometry of two interacting galaxies and their debris

PGC 0029664 1188757: Photometry of two interacting galaxies and their debris

... of stellar formation, the models only give low thresholds for the ages of the usually oldest structures (bulge and nuclear ...the stellar formation regions, one should subtract the underlying light of the ...

9

Structure of the obscured galactic disk with pulsating variables

Structure of the obscured galactic disk with pulsating variables

... The PCA-based light curve fitting algorithm is a new addition to the various methods devel- oped for the characterization of the light curves of variable stars. In particular, the time-series observations of LSST (LSST ...

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Galaxy interactions II  High density environments

Galaxy interactions II High density environments

... older stellar population present in higher density ...old stellar populations, and hence the inter- actions are now unable to trigger further star formation ...

9

PIPE3D, A PIPELINE TO ANALYZE INTEGRAL FIELD SPECTROSCOPY DATA: I. NEW FITTING PHILOSOPHY OF FIT3D

PIPE3D, A PIPELINE TO ANALYZE INTEGRAL FIELD SPECTROSCOPY DATA: I. NEW FITTING PHILOSOPHY OF FIT3D

... synthetic stellar populations (SSP), and (ii) modeling the emission lines with a set of single Gaussian ...lar populations, their weights or eigenvalues were de- rived without boundary constraints ...

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NGC 6791: A Probable Bulge Cluster without Multiple Populations

NGC 6791: A Probable Bulge Cluster without Multiple Populations

... multiple populations seen in globular clusters long ago ( Hesser et ...multiple stellar populations, based on the detection of two groups of evolved stars with signi fi cantly different Na ...multiple ...

10

Spatially resolved star formation history along the disk of M82 using multi-band photometric data

Spatially resolved star formation history along the disk of M82 using multi-band photometric data

... field stellar populations in the ...the stellar populations are marginally older at the outer disk (450 Myr at ∼3 kpc) as compared to the inner disk (100 Myr at ...the stellar mass in a ...

12

Reddening and metallicity maps of the Milky Way bulge from VVV and 2MASS II  The complete high resolution extinction map and implications for Galactic bulge studies

Reddening and metallicity maps of the Milky Way bulge from VVV and 2MASS II The complete high resolution extinction map and implications for Galactic bulge studies

... the stellar populations and the structure of the ...on stellar pop- ulation properties derived from the color of stars, such as the photometric effective ...Besançon stellar population model ...

9

Diatomic Analytic Molecular Partition Functions for Stellar Atmospheres

Diatomic Analytic Molecular Partition Functions for Stellar Atmospheres

... cool stellar atmospheres because this molecule shows bands in solar type and low temperature stars (Kurucz, van Dishoeck, & Tarafdar 1987; Jorgensen et ...

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Quantitative Stellar Spectral Classification. II.
Early Type Stars

Quantitative Stellar Spectral Classification. II. Early Type Stars

... The method developed by Stock & Stock (1999) for stars of spectral types A to K to derive absolute magnitudes and intrinsic colors from the equivalent widths of absorption lines in stellar spectra is extended ...

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Clumpy stellar winds and the obscuration of active galactic nuclei

Clumpy stellar winds and the obscuration of active galactic nuclei

... the stellar wind density is highest there, lead- ing to shocks, thermalization and rapid cooling, with the fre- quent collisions of gaseous clumps “wasting” the momentum of the ...

6

No differences in genetic diversity of Cotoneaster franchetii (Rosaceae) shrubs between native and non-native ranges - Sociedad Argentina de Botánica

No differences in genetic diversity of Cotoneaster franchetii (Rosaceae) shrubs between native and non-native ranges - Sociedad Argentina de Botánica

... (Argentina) populations of Cotoneaster franchetii, a shrub which successfully invades different habitats and forms extensive monospecific ...among populations by inspecting FST values and conducting a PCoA, ...

8

The Emission from Photoionized Stellar Wind Bow Shocks

The Emission from Photoionized Stellar Wind Bow Shocks

... Photoionized stellar wind bow shocks are found in a number of different as- trophysical objects : compact H II regions, H II regions around runaway O stars and bow shocks around young, low mass stars within ...

8

Luminosity functions of LMXBs in different stellar environments

Luminosity functions of LMXBs in different stellar environments

... titative study of any possible di ff erences in the XLF demands special care in the treatment of incompleteness effects and the re- moval of the cosmic X-ray background sources (CXB). Another difficulty, of a more ...

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