The active galactic nuclei is conformed by a number of classes. Optically they are defined using diagnostics based on optical emission lines. At X-rays they are...
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CharlaActive galactic nuclei synapses: X-ray versus optical classifications using artificial neural networks
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CharlaAEGIS: DEEP's panchromatic vista of distant galaxies and AGNs
AEGIS (All-wavelength Extended Groth strip International Survey: aegis.ucolick.org) is on-going survey that opens up new views of the development of galaxies...
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CharlaAGN activity in Local Luminous Infrared Galaxies
Luminous Infrared Galaxies (LIR=10^11-10^12Lsun) have star formation rates in the range of ~20-200Msun/yr. In the local Universe ~50% LIRGs show AGN or AGN/SB...
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CharlaAGN winds, feedback and the baryon cycle in the galaxy ecosystem
Why did galaxies stop forming stars? Why do black holes in galactic nuclei have masses proportional to bulge masses? What are the physical mechanisms leading...
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CharlaAn optical/NIR survey of globular clusters in early-type galaxies
The colour distribution of globular cluster (GC) systems in the majority of galaxies is bi/multimodal in optical colours. It is widely accepted that multiple...
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CharlaAn Unbiased ULIRG sample at z~2
I will present a multiwavelength study of a large MIPS selected galaxies and satisfy a certain IRAC color criterion. Stellar population modeling and IRS spectra...
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CharlaAre luminous quasars triggered in galaxy mergers?
The mechanism by which AGN activity is triggered has long been debated. One, often suggested, method of doing so is major, gas-rich mergers and galaxy...
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CharlaAre Mobile phones a Danger to Your Health?
The World Health Organization’s International Agency for Research on Cancer (IARC) on May 31st 2011 classified mobile phone use and other radio-frequency...
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CharlaAutomatic unsupervised classification of all Sloan Digital Sky Survey Data Release 7 galaxy spectra
Using the k-means cluster analysis algorithm, we carry out an unsupervised classification of all galaxy spectra in the seventh and final Sloan Digital Sky...