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The Fundamental Plane of Radio Galaxies
The global properties of early-type galaxies are fairly well described through a linear relation (the Fundamental Plane, FP [2],[3]) in the space...
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What Powers High-Redshift SCUBA Galaxies?
We investigate the origin of the huge luminosities produced by high-redshift SCUBA galaxies using the combination of ultra-deep X-ray observations...
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On the Black Hole - Bulge Mass Relation in Active and Inactive Galaxies
New virial black-hole mass estimates are presented for a sample of 72 AGN covering three decades in optical luminosity. Using a model in which the...
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From First Galaxies to QSOs –Feeding the Baby Monsters
We present a physical model for the coevolution of massive spheroidal galaxies and active nuclei at their centers. Supernova heating is increasingly...
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Introduction to the Section on Galaxies
The Part XII, “Galaxies” of the Handbook of X-ray and Gamma-Ray Astrophysics reviews the impact of high-resolution X-ray observations on the study of...
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Measuring the Ages of z ~ 1 Galaxies
One approach to studying the epoch of galaxy formation is to infer formation redshifts from the ages of galaxies at known redshifts. When observed...
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Clusters of Galaxies
Clusters of galaxies play a key role in astrophysical cosmology. The richest clusters are included in the Abell Catalogues of Rich Clusters of...
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Distinct distributions of elliptical and disk galaxies across the Local Supercluster as a ΛCDM prediction
Galaxies of different types are not equally distributed in the Local Universe. In particular, the supergalactic plane is prominent among the...
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Understanding Current Star Formation Processes in Galaxies at Different Redshifts
We have studied in detail the properties of local active star-forming galaxies from the UCM survey, and in particular their star-formation histories....
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Spectroscopic confirmation of four metal-poor galaxies at z = 10.3–13.2
Finding and characterizing the first galaxies that illuminated the early universe at cosmic dawn is pivotal to understand the physical conditions and...
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X-ray Binaries in External Galaxies
X-ray appearance of normal galaxies is mainly determined by X-ray binaries powered by accretion onto a neutron star or a stellar mass black hole....
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Results of Spectral Observations of 15 Seyfert Galaxies
Results of spectral studies of fifteen Seyfert galaxies at red wavelengths based on long-term observations are presented. In this range there are...
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Hosts and environments: a (large-scale) radio history of AGN and star-forming galaxies
Despite their relative sparseness, during the recent years it has become more and more clear that extragalactic radio sources (both AGN and...
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A New X-Ray Probe for Supermassive Black Holes in Non-Active Galaxies
In this contribution, we review the previous observations of giant X-ray flares from normal, non-active galaxies, and present multiwavelength...
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LyC Galaxies with Ionizing Radiation Leakage: Properties in the Midinfrared Range Based on Data from the WISE Space Telescope
AbstractThe photometric characteristics in the midinfrared range of compact galaxies with ionizing radiation leakage (LyC galaxies) are studied to...
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Clusters of Galaxies
High-spectral resolution observations of clusters of galaxies are a powerful tool to understand the physical processes taking place in these massive...
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The World of Galaxies
In this chapter we will first discuss our cosmic home, the Milky Way. We also discuss other galaxies, how thery cluster and form the largest...
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X-Ray Evidence for Supermassive Black Holes in Non-Active Galaxies:
It has long been suggested that supermassive black holes in non-active galaxies might be tracked down by occasional tidal disruptions of stars on...
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On the Unified Scheme of γ-Ray Emitting Jetted Active Galactic Nuclei
The discovery of γ - ray emitting Seyfert galaxies has opened a new unified scheme of active galactic nuclei (AGN) in which jetted Seyfert galaxies...