The Colour-Magnitude Relation and the Age of Galaxies in the Cluster AC118 at z=0.31

F. La Barbera (Universita` Federico II - Napoli); G. Busarello (OAC); M. Massarotti (OAC); P. Merluzzi (Osservatorio Astronomico di Capodimonte OAC - Napoli)

arxiv: astro-ph/0110328 · v1 · submitted 2001-10-15 · 🌌 astro-ph

The Colour-Magnitude Relation and the Age of Galaxies in the Cluster AC118 at z=0.31

P. Merluzzi (Osservatorio Astronomico di Capodimonte OAC - Napoli) , G. Busarello (OAC) , M. Massarotti (OAC) , F. La Barbera (Universita` Federico II - Napoli) This is my paper

classification 🌌 astro-ph

keywords clusterrelationac118colour-magnitudegalaxiesconstraintsderiveepoch

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We derive the Colour-Magnitude (CM) relation for the galaxy cluster AC118 at z=0.31 and use this relation to set constraints on the formation epoch and on the age spread of cluster galaxies in the framework of the passive evolution scenario. This work is based on observations at ESO NTT (OAC guaranteed time).

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The Colour-Magnitude Relation and the Age of Galaxies in the Cluster AC118 at z=0.31

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