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10 papers · 1 filter
Line strengths of early-type galaxies
Ricardo L. C. Ogando, Marcio A. G. Maia, Paulo S. Pellegrini +1
In this paper we present measurements of velocity dispersions and Lick indices for 509 galaxies in the local Universe, based on high signal-to-noise, long slit spectra obtained wit…
Do observed metallicity gradients of early-type galaxies support a hybrid formation scenario?
Ricardo L. C. Ogando, Marcio A. G. Maia, Cristina Chiappini +3
We measure radial gradients of the Mg2 index in 15 E-E/S0 and 14 S0 galaxies. Our homogeneous data set covers a large range of internal stellar velocity dispersions (2.0<logsigma<2…
ESO Imaging Survey. The Stellar Catalogue in the Chandra Deep Field South
M. A. T. Groenewegen, L. Girardi, E. Hatziminaoglou +10
(abridged) Stellar catalogues in five passbands (UBVRI) over an area of approximately 0.3 deg^2, comprising about 1200 objects, and in seven passbands (UBVRIJK) over approximately…
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…
ESO Imaging Survey. Deep Public Survey: Multi-Color Optical Data for the Chandra Deep Field South
S. Arnouts, B. Vandame, C. Benoist +10
This paper presents multi-passband optical data obtained from observations of the Chandra Deep Field South (CDF-S), located at alpha ~ 3h 32m, delta ~ -27d 48m. The observations we…
New Techniques for Relating Dynamically Close Galaxy Pairs to Merger and Accretion Rates : Application to the SSRS2 Redshift Survey
D. R. Patton, R. G. Carlberg, R. O. Marzke +3
We introduce two new pair statistics, which relate close galaxy pairs to the merger and accretion rates. We demonstrate the importance of correcting these (and other) pair statisti…