2007MNRAS.377.1737P

Query : 2007MNRAS.377.1737P

2007MNRAS.377.1737P - Mon. Not. R. Astron. Soc., 377, 1737-1746 (2007/June-1)

CCD BVI photometry and Coravel observations of stars in the open cluster NGC 2489.

PIATTI A.E., CLARIA J.J., MERMILLIOD J.-C., PARISI M.C. and AHUMADA A.V.

Abstract (from CDS):

We present CCD BVI photometry for the southern open cluster NGC2489 and its surrounding field. The sample consists of 2182 stars measured in an area of 13.6x13.6 arcmin2, extending down to V ∼ 21.5. These data are supplemented with CORAVEL radial-velocity observations for seven red giant candidates. A cluster angular radius of 6.7±0.6 arcmin, equivalent to 3.5±0.3 pc, is estimated from star counts carried out inside and outside the cluster region. The comparison of the cluster colour-magnitude diagrams with isochrones of the Padova group yields E(B - V) = 0.30 ±0.05, E(V - I) = 0.40±0.05 and V - M_V_= 12.20±0.25 for log t = 8.70 (t = 500+130–100Myr) and Z = 0.019. NGC2489 is then located at 1.8±0.3 kpc from the Sun and 25 pc below the Galactic plane. The analysis of the kinematical data allowed us to confirm cluster membership for six red giants, one of them being a spectroscopic binary. A mean radial velocity of 38.13±0.33 km/s was derived for the cluster red giants. The properties of a sample of open clusters aligned along the line of sight of NGC2489 are examined.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): techniques: photometric - stars: kinematics - open clusters and associations: general - open clusters and associations: individual: NGC2489

VizieR on-line data: <Available at CDS (J/MNRAS/377/1737): table1.dat>

Nomenclature: Table 1: Cl* NGC 2489 PCM NNNN (Nos 1-2182).

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

Simbad objects: 28

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Number of rows : 28
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 NGC 2194 OpC 06 13 44.8 +12 48 48   9.03 8.5     ~ 90 1
2 Cl Trumpler 5 OpC 06 36 31.8 +09 28 03           ~ 146 0
3 Cl Haffner 1 OpC 07 00 29.6 -20 34 35           ~ 69 0
4 NGC 2324 OpC 07 04 08.5 +01 02 50   8.83 8.4     ~ 174 0
5 Cl Czernik 32 OpC 07 50 28.5 -29 51 09           ~ 30 0
6 Cl Haffner 17 OpC 07 51 35.1 -31 48 47           ~ 30 0
7 [KPR2005] 43 OpC 07 53 06 -28 10.2           ~ 18 0
8 NGC 2489 103 * 07 55 58.0057040904 -30 06 56.538717264   13.49 12.140     K: 7 0
9 NGC 2489 36 * 07 56 09.4413796488 -30 03 29.088862776   13.404 12.112     K: 8 0
10 CD-29 5178 * 07 56 09.9714120432 -30 02 54.417735060   12.44 10.97     ~ 12 0
11 NGC 2489 14 * 07 56 14.7800102088 -30 02 48.923519172   13.101 11.752     ~ 5 0
12 NGC 2489 OpC 07 56 15.7 -30 03 35   8.58 7.9     ~ 83 0
13 Cl Haffner 20 OpC 07 56 16.5 -30 22 13   11.66 11.0     ~ 30 0
14 CD-29 5182 * 07 56 17.1791815368 -30 03 41.765956524   12.63 11.49     ~ 7 0
15 NGC 2489 50 * 07 56 19.6862679424 -30 05 31.914618774   13.027 11.765     ~ 6 0
16 NGC 2489 25 SB* 07 56 20.1149518272 -30 05 00.085754220   13.273 11.937     ~ 9 0
17 Cl Ruprecht 43 OpC 07 58 47.3 -28 48 18           ~ 24 0
18 Cl Ruprecht 44 OpC 07 58 49.6 -28 33 44   7.66 7.2     ~ 65 0
19 Cl Haffner 21 OpC 08 01 09.5 -27 12 43   10.69 10.3     ~ 32 0
20 Cl Ruprecht 47 OpC 08 02 17.3 -31 04 47   9.82 9.6     ~ 40 0
21 ESO 430-18 OpC 08 06.8 -30 50           ~ 19 0
22 NGC 2533 OpC 08 07 05.8 -29 52 21   8.19 7.6     ~ 69 0
23 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
24 NGC 5288 OpC 13 48 48.2 -64 40 43     11.8     ~ 29 0
25 Cl Lynga 11 OpC 16 38 08 -46 17.7           ~ 20 0
26 NGC 6318 OpC 17 16 10.7 -39 25 30     11.8     ~ 35 1
27 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
28 NAME Baade Window reg 18 03.5 -30 01           ~ 643 3

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