SIMBAD references

2006A&A...445..493M - Astronomy and Astrophysics, volume 445, 493-501 (2006/1-2)

Open clusters in the Third Galactic Quadrant. II. The intermediate age open clusters NGC 2425 and NGC 2635.


Abstract (from CDS):

We analyse CCD broad band (UBV(RI)C) photometric data obtained in the fields of the poorly studied open clusters NGC 2425 and NGC 2635. Both clusters are found to be of intermediate age thus increasing the population of open clusters known to be of the age of, or older than, the Hyades. More explicitly, we find that NGC 2425 is a 2.2Gyr old cluster, probably of solar metallicity, located at 3.5kpc from the Sun. NGC 2635 is a Hyades age (600Myr) cluster located at a distance of 4.0kpc from the Sun. Its Colour Magnitude Diagram reveals that it is extremely metal poor for its age and position, thus making it a very interesting object in the context of Galactic Disk chemical evolution models.

Abstract Copyright:

Journal keyword(s): Galaxy: open clusters and associations: individual: NGC 2425, NGC 2635

VizieR on-line data: <Available at CDS (J/A+A/445/493): table2.dat table3.dat>

Nomenclature: Table 2: Cl* NGC 2425 MCB NNNN (Nos 1-3304). Table 3: Cl* NGC 2635 MCB NNNN (Nos 1-3113).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 18

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