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astro-ph1997
The spatial distribution and luminosity function of the open cluster NGC 4815
Bing Chen, Giovanni Carraro, Jordi Torra +1
NGC 4815 is a distant and populous open cluster, which lies in the galactic plane in a region of strong absorption. As a consequence, its membership, spatial distribution and lumin…
astro-ph1997
The galactic disc age-metallicity relation
Y. K. Ng, G. Bertelli, G. Carraro +1
New ages are computed for stars in the Solar Neighbourhood from the Edvardsson et al. (1993) data set. Distances derived from the Hipparcos parallaxes were adopted to obtain reliab…