We present a study of the trends in luminosity, linear size, spectral index, and redshift of classical double radio sources, from three complete samples...
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PublicationThe Nature and Evolution of Classical Double Radio Sources from Complete Samples
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PublicationThe optical behaviour of BL Lacertae at its maximum brightness levels: a blend of geometry and energetics
In 2021 BL Lacertae underwent an extraordinary activity phase, which was intensively followed by the Whole Earth Blazar Telescope (WEBT) Collaboration. We...
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PublicationThe redshift and broad-band spectral energy distribution of NRAO 150
Context. NRAO 150 is one of the brightest radio and mm AGN sources in the northern sky, and is an interesting source to study extreme relativistic jet phenomena...
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PublicationThe relation between optical and γ-ray emission in BL Lac sources
The relativistic jets produced by some Active Galactic Nuclei (AGNs) are among the most efficient persistent sources of non-thermal radiation and represent an...
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PublicationThe spectral index-flux density relation for extragalactic radio sources selected at metre and decametre wavelengths
We use the recent releases of sensitive VLA/LOFAR large-area surveys at 340 MHz and 54 MHz, in conjunction with the 1.4 GHz NVSS, to accurately determine the...
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TalkThe star formation history of nearby active galactic nuclei
Since the pioneering studies linking the mass of supermassive black holes (SMBH) with the velocity dispersion of their host galaxies bulges it has become...
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NewsThe structure of the famous Jet of material in M87, the brightest galaxy in the Virgo Cluster, revealed
A Master’s degree research project at the University of Barcelona (UB), carried out at the Instituto de Astrofísica de Canarias (IAC) by the student Alejandra...
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PublicationThe WEBT BL Lacertae Campaign 2000
We present UBVRI light curves of BL Lacertae from May 2000 to January 2001, obtained by 24 telescopes in 11 countries. More than 15 000 observations were...
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PublicationThe WEBT BL Lacertae Campaign 2001 and its extension. Optical light curves and colour analysis 1994-2002
BL Lacertae has been the target of four observing campaigns by the Whole Earth Blazar Telescope (WEBT) collaboration. In this paper we present UBVRI light...