Advanced Large, Homogeneous Area Medium Band Redshift Astronomical Survey

Editorial

Alberto Fern�ndez Soto. Institute of Physics of Cantabria

This issue of the Bulletin of the Spanish Astronomical Society (SEA) hosts for the first time a special edition dedicated to one project: the ALHAMBRA survey. As the Bulletin is published, once again coinciding with the summer solstice, the first …

The ALHAMBRA Project

Mariano Moles. ALHAMBRA Project Main Researcher. CEFCA, IAA/CSIC

ALHAMBRA (Advanced Large Homogeneous Area Medium Band Redshift Astronomical Survey) was set up as a systematic study of cosmic evolution and variance. As a result of the observation strategy, a photometric mapping using medium band filters, the da …

Pipelines and ALHAMBRA photometrics.

Jaime Perea, Institut of Astrophysics of Andalusia
David Crist�bal, Centre for Studies of Physics of the Cosmos of Arag�n

Work on observations in Astronomy does not finish when the night ends and the telescope shuts down. An important stage remains, on which the quality of the data that we obtain and the resultant science critically depends: namely, data reduction an …

The Milky Way from ALHAMBRA

Emilio J. Alfaro
Respresenting ALHAMBRA Stelar Team
CSIC / Institute of Astrophysics of Andalusia

What is a galactic astronomer doing in an extragalactic survey? Lots of things, including dissemination. Spreading the good news that the Galaxy and galaxies are just the different scales of the same phenomena seen from different viewpoints. If th …

Photometric redshifts

Alberto Molino
CSIC / Institute of Astrophysics of Andalusia

The energy emitted by an astronomical source as a function of the wavelength is called Spectral Energy Distribution (SED). These spectral distributions enable us to classify galaxies depending on their stellar content (what type of stars), and als …

Cosmic variance

Carlos L�pez San Juan
Centre for Studies of Physics of the Cosmos of Arag�n

One of the main starting assumptions in current cosmological research is that “the Universe is homogeneous and isotropic.” From here, the equations of General Relativity, gravity and Dark Energy determine the evolution of the Universe …

Morphological Classification Of The Galaxies Of The Alhambra Survey

Mirjana Povic
CSIC / Institute of Astrophysics of Andalusia

Galaxies exhibit a variety of forms, and present different components that are reflection of their physical properties: bulges, discs, halos, bars, spiral arms, tails, rings, etc. The morphological classification of galaxies organises the galaxies …

Stellar Populations In Galaxies Of The First Types

Luis A. D�az-Garc�a
Centre for Studies of Physics of the Cosmos of Arag�n.

The light of evolved galaxies that we observed is composed almost entirely by the superposition of light emitted from the different populations of stars that compose them. In massive galaxies of the first types (generally old and red), most of the …

Distribution Functions

Alberto Fern�ndez Soto
Institute of Physics of Cantabria

With a sample of galaxies for which we know the distance from earth, it is possible to measure which proportions appear depending on their basic properties, such as luminosity or stellar mass. Having also morphological, spectral, or density inform …

Galaxy Clusters In Alhambra

Bego�a Ascaso
CSIC / Institute of Astrophysics of Andalusia

Galaxy clusters are the most massive objects existing in the Universe. With masses ranging from 1014 to several times 1015 MQ and that can reach up to 3-4 x1013 MQ in the case of the smallest structures (called groups of galaxies), these objects i …

AGNs in ALHAMBRA

Israel Matute Troncoso
CSIC / Institut of Astrophysics of Andalusia

The cosmological significance of supermassive black holes (SMBH), with M ~ 106-109 MQ, has multiplied in the last 15 years. Their presence in the centre of all massive galaxies in the local universe, as well as the correlations found between the b …

Extremely Red Objects In ALHAMBRA

Lorena Nieves
Institute of Physics of Cantabria / Astronomical Observatory of the University of Valencia

In 1988 American astronomers Richard Elston and George and Marcia Rieke published a paper in which the discovery of a small population of galaxies that had not been previously detected was made public to the scientific community. These objects exh …

ALHAMBRA gold sample

The publication of this special issue of the SEA Bulletin is a good opportunity to announce the first release of the ALHAMBRA data, initially intended for the ALHAMBRA Extended Team, which includes many of the SEA members and readers of this Bulle …