SIMBAD references

1997A&AS..121..451G - Astron. Astrophys., Suppl. Ser., 121, 451-454 (1997/March-0)

VI photometry of the galactic cluster Berkeley 66.


Abstract (from CDS):

A colour magnitude diagram (CMD) extending to V≃19mag is given for 444 stars in the region of the galactic cluster Berkeley 66. The V and I photometry of a nearby field is also reported. This object appears very faint, highly contaminated by foreground stars and very reddened. The apparent distance modulus (m-M) and the colour excess EV–I are guessed to be 17.5 and 1.1, respectively, with an uncertainty of at least 30%. Adopting these values the comparison of the CMD with theoretical isochrones from the Padova group provides an age around 1.0Gyr.

Abstract Copyright:

Journal keyword(s): open clusters: individual: Cl Berkeley 66 - HR diagram

VizieR on-line data: <Available at CDS (J/A+AS/121/451): table2>

Nomenclature: Table 2: Cl* Berkeley 66 GC NNN (Nos 1-444)

Simbad objects: 4

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