Tatiana Ferraz Laganá in research grants and scholarships supported by FAPESP.
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We know that heavier elements than boron were not produced in the primordial nucleosynthesis and are produced only inside the stars.In the 70's, the emission of heavy metal lines, such as silicon and iron, by the intra-cluster gas were detected.These observations show that this gas was enriched by metals transported from the intergalactic medium to the intra-group (IGM) or intra-cluster m…
It is believed that the baryon mass fraction of galaxy clusters is representative of the value in the Universe, and can, therefore, be used to reliably constrain the matter density cosmological parameter (White et al. 1993; Evrard et al. 1997; Allen et al. 2008). The baryons in galaxy clusters consist of the stars in cluster galaxies, the intra-cluster light, and hot intra-cluster gas (wh…
Well calibrated scaling relations between observable properties and the total mass of galaxy clusters are important for understanding the physical processes that give rise to them. As the measure of individual masses for a large number of systems is observationally very expensive, scaling relations are also a key ingredient for studies aimed at restricting the cosmological parameters usin…
X-ray observations of galaxy clusters have shown that the intracluster gas presents iron abundances of one third of about the solar value. These observations also show that part (if not all) of the intra-cluster gas metals were produced within the member galaxies. We observe the presence of $\alpha$-elements, which are produced in supernovae type IIand the iron group elements which are es…
| 2 / 2 | Completed research grants |
| 6 / 3 | Completed scholarships in Brazil |
| 8 / 5 | All research grants and scholarships |
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