SIMBAD references

1998A&A...339...61R - Astronomy and Astrophysics, volume 339, 61-69 (1998/11-1)

Young Galactic globular clusters II. The case of Palomar 12.

ROSENBERG A., SAVIANE I., PIOTTO G. and HELD E.V.

Abstract (from CDS):

We present broadband V,I CCD photometry for ∼1700 stars towards the Galactic globular cluster Palomar 12, covering a field of 10.7'x10.7'. From these data, a color-magnitude diagram from the red giant branch tip to ∼2mag below the cluster's turn-off is obtained. From a comparison with the color magnitude diagrams of 47 Tuc and M5, and using different theoretical models, we confirm that Pal 12 is younger, finding an age 68±10% that of both template clusters. Revised structural parameters are also obtained: rc=37.8±0.6 and c=1.08±0.02.

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Journal keyword(s): Hertzsprung-Russell (HR) diagram - stars: Population II - globular clusters: individual: Palomar 12

Nomenclature: Table 1: Cl* Palomar 12 RSP VN (Nos V1-V7), Cl* Palomar 12 RSP IN (Nos I1-I6).

Simbad objects: 21

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