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On the white dwarf cooling sequence of the globular cluster Omega Centauri
A. Calamida, C. E. Corsi, G. Bono +16
We present deep and precise photometry (F435, F625W, F658N) of Omega Cen collected with the Advanced Camera for Surveys (ACS) on board the Hubble Space Telescope (HST). We have ide…
On the radial distribution of white dwarfs in the Galactic globular cluster Omega Cen
A. Calamida, C. E. Corsi, G. Bono +14
We present deep and accurate photometry (F435W, F625W, F658N) of the Galactic Globular Cluster Omega Cen collected with the Advanced Camera for Surveys (ACS) on board the Hubble Sp…
Star Counts in the Globular Cluster Omega Centauri. I. Bright Stellar Components
V. Castellani, A. Calamida, G. Bono +8
We present an extensive photometry on HB, RGB, and MSTO stars in Omega Cen. The central regions of the cluster were covered with a mosaic of F435W, F625W, and F658N-band data colle…
Microscopic Diffusion in Stellar Evolution Codes: First Comparison results of ESTA-Task~3
Y. Lebreton, J. Montalban, J. Christensen-Dalsgaard +8
We present recent work undertaken by the Evolution and Seismic Tools Activity (ESTA) team of the CoRoT Seismology Working Group. The new ESTA-Task 3 aims at testing, comparing and…