SIMBAD references

2004A&A...426..827B - Astronomy and Astrophysics, volume 426827-834 (2004/11-2)

uvby-Hβ CCD photometry of NGC 1817 and NGC 1807.

BALAGUER-NUNEZ L., JORDI C., GALADI-ENRIQUEZ D. and MASANA E.

Abstract (from CDS):

We have investigated the area of two NGC entries, NGC 1817 and NGC 1807, with deep CCD photometry in the uvby-Hβ intermediate-band system. The photometric analysis of a selected sample of stars of the open cluster NGC 1817 yields a reddening value of E(b-y)=0.19±0.05, a distance modulus of V0-MV=10.9±0.6, a metallicity of [Fe/H]=-0.34±0.26 and an age of logt=9.05±0.05. Our measurements allow us to confirm that NGC 1807 is not a physical cluster.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: open clusters and associations: individual: NGC 1817 - techniques: photometric - methods: observational - Galaxy: open clusters and associations: individual: NGC 1807 - methods: data analysis

VizieR on-line data: <Available at CDS (J/A+A/426/827): table4.dat table5.dat>

Nomenclature: Table 4: [BJG2004] NNNN (Nos 1-7842).

Simbad objects: 7844

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