2005A&A...433..143C

Query : 2005A&A...433..143C

2005A&A...433..143C - Astronomy and Astrophysics, volume 433, 143-150 (2005/4-1)

Probing the nature of possible open cluster remnants with the Southern Proper Motion Program.

CARRARO G., DINESCU D.I., GIRARD T.M. and VAN ALTENA W.F.

Abstract (from CDS):

We discuss the nature of eleven Possible Open Cluster Remnants (POCRs) by using absolute proper motions from the Southern Proper Motion (SPM) Program 3 (Girard et al., 2004AJ....127.3060G) combined with near infrared photometry from 2MASS. The analysis is done by considering the distribution of stars in the Color-Magnitude and the Vector Point diagrams. We successfully probed the capabilities of the SPM catalog to detect a physical group by looking at the open cluster Blanco 1. However, within the uncertainties of the SPM3 catalog and basing on 2MASS photometry we conclude that only one - ESO 282SC26 - out of eleven objects turns out to be a probable physical group. We suggest it is an open cluster 1.3Gyr old and located 1.4kpc from the Sun.

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Journal keyword(s): open clusters and associations : general - astrometry

Simbad objects: 18

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Number of rows : 18
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 Cl Blanco 1 OpC 00 03 24.7 -29 57 29           ~ 325 0
2 C 0147+270 Cl* 01 50 10 +27 06.9     8.2     ~ 14 0
3 ESO 486-45 Cl* 05 16 43 -24 02.3           ~ 2 0
4 NGC 1901 OpC 05 17 58 -68 20.5           ~ 103 0
5 NGC 1891 Cl* 05 21 25 -35 44.5           ~ 2 0
6 NGC 1963 err 05 32 17 -36 23.5           ~ 17 0
7 ESO 424-25 Cl* 05 49 49 -32 28.3           ~ 3 0
8 ESO 425-6 OpC 06 04 50 -29 11.0           ~ 9 0
9 ESO 425-15 OpC 06 14 35 -29 22.5           ~ 8 0
10 NGC 2664 OpC 08 47 11 +12 36.2           ~ 13 0
11 ESO 437-61 Cl* 10 48 03 -29 23.5           ~ 5 0
12 NGC 3680 OpC 11 25 34.1 -43 14 24   8.40 7.6     ~ 319 0
13 ESO 442-4 Cl* 12 34 05 -29 24.6           ~ 7 0
14 NGC 5385 Cl* 13 52 27 +76 10.5           ~ 6 0
15 IC 1023 err 14 32 25 -35 48.2           ~ 6 0
16 ESO 282-26 OpC 19 13 52 -42 39.0           ~ 10 0
17 NGC 6994 err 20 59.0 -12 38           ~ 32 0
18 ESO 464-9 Cl* 20 59 37 -29 23.2           ~ 5 0

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