2006MNRAS.365..110P

Query : 2006MNRAS.365..110P

2006MNRAS.365..110P - Mon. Not. R. Astron. Soc., 365, 110-114 (2006/January-1)

CCD photometry of distant open clusters NGC 2425, Haffner 10 and Czernik 29.

PIETRUKOWICZ P., KALUZNY J. and KRZEMINSKI W.

Abstract (from CDS):

We present BVI photometry for the poorly known southern hemisphere open clusters NGC 2425, Haffner 10 and Czernik 29. We have calculated the density profile and established the number of stars in each cluster. The colour-magnitude diagrams of the objects show a well-defined main sequence. However, the red giant clump is present only in NGC 2425 and Haffner 10. For these two clusters we estimated the age as 2.5±0.5 Gyr, assuming a metallicity of Z= 0.008. The apparent distance moduli are in the ranges 13.2 < (m-M)V< 13.6 and 14.3 < (m-M)_V_< 14.7, while the heliocentric distances are estimated to be 2.9 < d < 3.8 kpc and 3.1 < d < 4.3 kpc for NGC 2425 and Haffner 10, respectively. The angular separation of 2{bsl00064}4 (150 pc at mean distance) may indicate a common origin of the two clusters.

Abstract Copyright: 2005 The Authors. Journal compilation © 2005 RAS

Journal keyword(s): Hertzsprung - Russell (HR) diagram - open clusters and associations: individual: NGC 2425 - open clusters and associations: individual: Haffner 10 - open clusters and associations: individual: Czernik 29

VizieR on-line data: <Available at CDS (J/MNRAS/365/110): ngc2425.dat h10cz29.dat>

Nomenclature: Catalog ngc2425: Cl* NGC 2425 PKK NNNN (Nos 1-2676). Catalog h10cz29: [PKK2006] NNNN (Nos 1-3359).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SA 98- reg 06 52 04.1 -00 23 58           ~ 179 0
2 RL 149 HS* 07 24 14.3741784768 -00 33 04.165016904 12.958 13.737 13.866 13.906 13.974 sdB 114 0
3 Cl Czernik 29 OpC 07 28 24.6 -15 23 10   10.81 10.3     ~ 27 0
4 Cl Haffner 10 OpC 07 28 37.4 -15 21 42   12.60 11.5     ~ 52 0
5 NGC 2425 OpC 07 38 18.4 -14 53 32           ~ 64 0
6 PG 1323-086 HS* 13 25 39.4669501176 -08 49 19.067387484 12.660 13.341 13.481 13.529 13.608 sdB3IHe8 144 1
7 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0

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