1999A&A...343..813B

Query : 1999A&A...343..813B

1999A&A...343..813B - Astronomy and Astrophysics, volume 343813-824 (1999/3-3)

The outer-halo globular cluster NGC 6229. III. Deep CCD photometry.

BORISSOVA J., CATELAN M., FERRARO F.R., SPASSOVA N., BUONANNO R., IANNICOLA G., RICHTLER T. and SWEIGART A.V.

Abstract (from CDS):

Deep BV photometry for a large field covering the outer-halo globular cluster NGC 6229 is presented. For the first time, a colour-magnitude diagram (CMD) reaching below the main sequence turnoff has been obtained for this cluster. Previous results regarding the overall morphology of the horizontal and giant branches are confirmed. In addition, nine possible extreme horizontal-branch stars have been identified in our deep images, as well as thirty-three candidate blue stragglers. We also find the latter to be more centrally concentrated than subgiant branch stars covering the same range in V magnitude. A comparison of the cluster CMD with the M5 (NGC 5904) ridgeline from Sandquist et al. (1996ApJ...470..910S) reveals that: i) NGC 6229 and M5 have essentially identical metallicities; ii) NGC 6229 and M5 have the same ages within the errors in spite of their different horizontal-branch morphologies.

Abstract Copyright: ∼

Journal keyword(s): stars: blue stragglers - stars: Hertzsprung-Russel (HR) and C-M diagrams - stars: Population II - Galaxy: globular clusters: individual: NGC 6229

Nomenclature: Table 5: Cl* NGC 6229 BCF 5-NN (Nos 5-1 to 5-15). Table 6: Cl* NGC 6229 BCF 6-N (Nos 6-1 to 6-8).

Simbad objects: 55

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Number of rows : 55
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 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NAME Eridanus Star Cluster GlC 04 24 44.5 -21 11 13           ~ 192 1
3 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
4 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 998 0
5 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
6 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
7 NAME Sextans C GlC 10 05 30.96 +00 04 15.4   15.5 13.9     ~ 354 1
8 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 379 1
9 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
10 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
11 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 399 0
12 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
13 Cl* NGC 6229 CFT 327 * 16 46 51.12 +47 31 59.2   20.59 20.24     ~ 1 0
14 Cl* NGC 6229 CFT 429 * 16 46 51.62 +47 32 46.0   20.92 20.43     ~ 1 0
15 Cl* NGC 6229 CFT 412 * 16 46 52.45 +47 31 25.7   20.99 20.53     ~ 1 0
16 Cl* NGC 6229 CFT 478 * 16 46 52.57 +47 33 23.1   20.80 20.64     ~ 2 0
17 Cl* NGC 6229 CFT 416 * 16 46 53.01 +47 32 36.1   21.17 20.66     ~ 1 0
18 Cl* NGC 6229 CFT 378 * 16 46 54.21 +47 32 43.1   20.72 20.28     ~ 1 0
19 Cl* NGC 6229 CFT 329 * 16 46 54.30 +47 30 52.5   20.21 19.92     ~ 2 0
20 Cl* NGC 6229 CFT 436 * 16 46 55.13 +47 33 20.3   20.93 20.39     ~ 1 0
21 Cl* NGC 6229 CFT 499 * 16 46 55.38 +47 31 10.8   20.76 20.67     ~ 1 0
22 Cl* NGC 6229 CFT 481 * 16 46 56.23 +47 30 12.9   21.17 20.71     ~ 1 0
23 Cl* NGC 6229 CFT 426 * 16 46 56.43 +47 32 25.6   20.73 20.47     ~ 2 0
24 Cl* NGC 6229 CFT 356 * 16 46 57.19 +47 29 08.9   20.65 20.34     ~ 1 0
25 Cl* NGC 6229 CFT 376 * 16 46 57.64 +47 33 00.6   20.48 20.25     ~ 2 0
26 Cl* NGC 6229 CFT 420 * 16 46 57.78 +47 30 34.0   21.18 20.74     ~ 1 0
27 Cl* NGC 6229 CFT 460 * 16 46 58.29 +47 30 01.2   20.81 20.58     ~ 2 0
28 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 397 0
29 Cl* NGC 6229 CFT 659 * 16 46 58.77 +47 32 28.6   20.84 20.40     ~ 1 0
30 Cl* NGC 6229 CFT 358 * 16 47 02.79 +47 31 51.5   20.35 20.15     ~ 2 0
31 Cl* NGC 6229 CFT 425 * 16 47 09.44 +47 31 13.6   20.79 20.47     ~ 2 0
32 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 562 0
33 Cl* NGC 6229 BCF 6-6 * ~ ~   21.364 21.462     ~ 1 0
34 Cl* NGC 6229 BCF 6-7 * ~ ~   21.329 21.471     ~ 1 0
35 Cl* NGC 6229 BCF 6-8 * ~ ~   20.238 20.441     ~ 1 0
36 Cl* NGC 6229 BCF 5-7 * ~ ~   20.51 20.02     ~ 1 0
37 Cl* NGC 6229 BCF 5-6 * ~ ~   20.85 20.41     ~ 1 0
38 Cl* NGC 6229 BCF 5-5 * ~ ~   21.18 20.56     ~ 1 0
39 Cl* NGC 6229 BCF 5-4 * ~ ~   21.10 20.67     ~ 1 0
40 Cl* NGC 6229 BCF 5-3 * ~ ~   20.87 20.45     ~ 1 0
41 Cl* NGC 6229 BCF 5-2 * ~ ~   21.13 20.79     ~ 1 0
42 Cl* NGC 6229 BCF 5-1 * ~ ~   20.69 20.27     ~ 1 0
43 Cl* NGC 6229 BCF 6-5 * ~ ~   20.255 20.490     ~ 1 0
44 Cl* NGC 6229 BCF 5-14 * ~ ~   20.99 20.72     ~ 1 0
45 Cl* NGC 6229 BCF 5-15 * ~ ~   21.20 20.73     ~ 1 0
46 Cl* NGC 6229 BCF 5-12 * ~ ~   20.81 20.30     ~ 1 0
47 Cl* NGC 6229 BCF 5-11 * ~ ~   21.10 20.72     ~ 1 0
48 Cl* NGC 6229 BCF 5-10 * ~ ~   20.54 20.08     ~ 1 0
49 Cl* NGC 6229 BCF 5-9 * ~ ~   21.05 20.64     ~ 1 0
50 Cl* NGC 6229 BCF 5-8 * ~ ~   21.03 20.58     ~ 1 0
51 Cl* NGC 6229 BCF 6-1 * ~ ~   20.457 20.642     ~ 1 0
52 Cl* NGC 6229 BCF 6-2 * ~ ~   20.438 20.535     ~ 1 0
53 Cl* NGC 6229 BCF 6-3 * ~ ~   20.991 21.192     ~ 1 0
54 Cl* NGC 6229 BCF 6-4 * ~ ~   20.627 20.803     ~ 1 0
55 Cl* NGC 6229 BCF 5-13 * ~ ~   21.10 20.74     ~ 1 0

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