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9 papers · 1 filter
Spheroidal Galaxies/QSOs Connection
Luigi Danese, Gian Luigi Granato, Laura Silva +2
In view of the extensive evidence of a tight inter-relationship between spheroidal galaxies (and galactic bulges) and massive black holes hosted at their centers, a consistent mode…
Optical and Near-Infrared Structural Properties of Cluster Galaxies at
F. La Barbera, G. Busarello, P. Merluzzi +2
Structural parameters (half-light radius , mean effective surface brightness , and Sersic index n) are derived for a sample of galaxies in the rich cluster AC 118 at z=…
ISOCAM Mid-InfraRed Detection of HR 10: A Distant Clone of Arp 220 at z=1.44
David Elbaz, Hector Flores, Pierre Chanial +5
We report the detection of the extremely red object (ERO), HR 10 (I-K= 6.5, z=1.44), at 4.9 and 6.1 microns (rest-frame) with ISOCAM, the mid-infrared (MIR) camera onboard the Infr…
Dim galaxies and outer halos of galaxies missed by 2MASS ? The near-infrared luminosity function and density
S. Andreon
By using high-resolution and deep Ks band observations of early-type galaxies of the nearby Universe and of a cluster at z=0.3 we show that the two luminosity functions (LFs) of th…
HD 174005: another binary classified as lambda Boo
R. Faraggiana, M. Gerbaldi, P. Bonifacio
We demonstrate that HD 174005, a star recently classified as belonging to the lambda Boo group, is in reality a double lined spectroscopic binary; at some phases, the observed comp…
On the Nature of the EIS Candidate Clusters: Confirmation of z<0.6 candidates
L. F. Olsen, C. Benoist, L. da Costa +7
We use public V-band imaging data from the wide-angle surveys conducted by the ESO Imaging Survey project (EIS) to further investigate the nature of the EIS galaxy cluster candidat…