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Dark-Matter Content of Early-Type Galaxies with Planetary Nebulae
N. R. Napolitano, A. J. Romanowsky, L. Coccato +10
We examine the dark matter properties of nearby early-type galaxies using planetary nebulae (PNe) as mass probes. We have designed a specialised instrument, the Planetary Nebula Sp…
Surface Brightness Fluctuations from archival ACS images: a stellar population and distance study
Michele Cantiello, John P. Blakeslee, Gabriella Raimondo +2
We derive Surface Brightness Fluctuations (SBF) and integrated magnitudes in the V- and I-bands using Advanced Camera for Surveys (ACS) archival data. The sample includes 14 galaxi…
Simulating CCD images of elliptical galaxies
M. Cantiello, G. Raimondo, E. Brocato +2
We introduce a procedure developed by the ``Teramo Stellar Populations Tools'' group (Teramo-SPoT), specifically optimized to obtain realistic simulations of CCD images of elliptic…
Detection of Surface Brightness Fluctuations in Elliptical Galaxies imaged with the Advanced Camera for Surveys. B- and I-band measurements
Michele Cantiello, Gabriella Raimondo, John P. Blakeslee +2
Taking advantage of the exceptional capabilities of ACS on board of HST, we derive Surface Brightness Fluctuation (SBF) measurements in the B and I bands from images of six ellipti…
Astro-WISE: Chaining to the Universe
Edwin A. Valentijn, John P. McFarland, Jan Snigula +18
The recent explosion of recorded digital data and its processed derivatives threatens to overwhelm researchers when analysing their experimental data or when looking up data items…