Abstract
The stellar, gaseous and young stellar disks in the LITTLE THINGS sample of nearby dwarf irregular galaxies are fitted with functions to search for correlations between the parameters. We ...find that the H
i
radial profiles are generally flatter in the center and fall faster in the outer regions than the
V
-band profiles, while young stars are more centrally concentrated, especially if the H
i
is more centrally flat. This pattern suggests that the H
i
is turning into molecules in the center, and the molecular clouds are forming stars and FUV. A model that assumes the molecular surface density is proportional to the total gas surface density to a power of 1.5 or 2, in analogy with the Kennicutt–Schmidt relation, reproduces the relationship between the ratio of the visible to the H
i
scale length and the H
i
Sérsic index. The molecular fraction is estimated as a function of radius for each galaxy by converting the FUV to a molecular surface density using conventional calibrations. The average molecular fraction inside 3
R
D
is 23% ± 17%. However, the break in the stellar surface brightness profile has no unified tracer related to star formation.
The stellar, gaseous and young stellar disks in the LITTLE THINGS sample of nearby dIrrs are fitted with functions to search for correlations between the parameters. We find that the HI radial ...profiles are generally flatter in the center and fall faster in the outer regions than the V-band profiles, while young stars are more centrally concentrated, especially if the HI is more centrally flat. This pattern suggests that the HI is turning into molecules in the center and the molecular clouds are forming stars and FUV. A model that assumes the molecular surface density is proportional to the total gas surface density to a power of 1.5 or 2, in analogy with the Kennicutt-Schmidt relation, reproduces the relationship between the ratio of the visible to the HI scale length and the HI Sersic index. The molecular fraction is estimated as a function of radius for each galaxy by converting the FUV to a molecular surface density using conventional calibrations. The average molecular fraction inside 3R_D is 23+/-17%. However, the break in the stellar surface brightness profile has no unified tracer related to star formation.
The role of cultural values in perceptions of selection tools is a concern of multinational corporations seeking to standardise staffing practices. Data from 1,199 individuals across 21 countries ...were gathered to examine the role of cultural values (independent and interdependent self‐construals, achievement and ascription orientations) in perceptions of eight selection tools. Tool perceptions were mostly similar across individuals holding different cultural values, suggesting that multinational corporations may be able to construct tools with wide acceptability across cultures.
Le rôle des valeurs culturelles dans l’appréhension des outils de sélection est une préoccupation des entreprises multinationales qui essaient de standardiser la gestion de leur personnel. On a rassemblé des données auprès de 1199 individus répartis sur 21 pays pour analyser le rôle des valeurs culturelles (conception de soi indépendante ou interdépendante, accomplissement et attributions) dans la représentation de huit outils de sélection. La perception de ces outils était le plus souvent analogue chez des personnes représentant des valeurs culturelles différentes, ce qui suppose que les multinationales sont à même d’élaborer des instruments utilisables quelle que soit la culture.
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