INVESTIGADORES
BAUME Gustavo Luis
artículos
Título:
THE INTERMEDIATE-AGE OPEN CLUSTERS RUPRECHT 4, RUPRECHT 7 AND PISMIS 15
Autor/es:
G. CARRARO; D. GEISLER; G. BAUME; R.A. VÁZQUEZ; A. MOITINHO
Revista:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Editorial:
WILEY-BLACKWELL PUBLISHING, INC
Referencias:
Año: 2005 vol. 360 p. 655 - 661
ISSN:
0035-8711
Resumen:
We report on BVI CCD photometry to V= 22.0 for three fields centred on the region of the Galactic star clusters Ruprecht 4, Ruprecht 7 and Pismis 15 and on three displaced control fields. Ruprecht 4 and Pismis 15 have never been studied before, and we provide, for the first time, estimates of their fundamental parameters, namely, radial extent, age, distance and reddening. Ruprecht 7 (Berkeley 33), however, was studied by Mazur, Kaluzny & Krzeminski. We find that the three clusters are all of intermediate age (0.8-1.3 Gyr), and with a metallicity close to or lower than solar.
