2000A&AS..144..451B

Query : 2000A&AS..144..451B

2000A&AS..144..451B - Astron. Astrophys., Suppl. Ser., 144, 451-456 (2000/June-2)

Spectroscopy and BVIC photometry of the young open cluster NGC 6604.

BARBON R., CARRARO G., MUNARI U., ZWITTER T. and TOMASELLA L.

Abstract (from CDS):

BVIC photometry and classification spectroscopy is presented for the young open cluster NGC 6604. Additional Echelle spectroscopy of the brightest members is used to check the reddening against the interstellar NaI and KI absorption lines, to measure the cluster radial velocity and to derive the individual rotational velocities. We obtain 1.7 kpc as the cluster distance, an age of ∼5x106years and a reddening EB–V=1.02 (±0.01 from three independent methods). Pre-ZAMS objects are apparently not detected over the Δm=8.5mag explored range. The cluster radial velocity is in agreement with the Hron (1987A&A...176...34H) model for the Galaxy disk rotation.

Abstract Copyright: ∼

Journal keyword(s): open clusters: general - open clusters: individual (NGC 6604)

Nomenclature: Tables 2,3: Cl* NGC 6604 BCM NN (Nos 1-51).

Simbad objects: 29

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Number of rows : 29
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 LBN 018.45+01.87 HII 18 17 52.5 -11 40 58           ~ 56 1
2 Cl* NGC 6604 FD 76 * 18 18 00.0321641424 -12 15 22.794378876   15.131 14.259     ~ 3 0
3 NGC 6604 9 * 18 18 00.4826618664 -12 14 03.116323320 11.81 12.38 11.68 11.64   ~ 7 1
4 Cl* NGC 6604 FD 72 * 18 18 00.8599472256 -12 15 05.677524036   17.013 15.987     ~ 2 0
5 Cl* NGC 6604 BCM 25 * 18 18 01.1067370008 -12 14 21.364908576   15.965 15.112     ~ 3 0
6 BD-12 4978 * 18 18 01.1300252472 -12 14 13.541131680 10.73 11.10 10.40     OB 20 0
7 Cl* NGC 6604 FD 71 * 18 18 01.6603368888 -12 14 50.045036208   16.191 15.282 15.16   ~ 5 0
8 Cl* NGC 6604 FD 2 * 18 18 01.8591935376 -12 13 52.133999736   16.914 15.894     ~ 2 0
9 Cl* NGC 6604 BCM 9 * 18 18 02.6173711248 -12 14 40.256077164   13.162 12.411 12.36   ~ 2 0
10 Cl* NGC 6604 BCM 8 * 18 18 02.8742225328 -12 14 42.499525380   13.792 13.025 13.13   ~ 3 0
11 Cl* NGC 6604 BCM 7 * 18 18 02.9942079960 -12 15 34.489206900 12.63 11.37 10.94     ~ 10 0
12 NGC 6604 OpC 18 18 03 -12 14.5           ~ 139 0
13 BD-12 4979 Em* 18 18 03.1142834112 -12 14 34.307206836 9.9 10.15 9.55 9.92   O9.5V 38 0
14 Cl* NGC 6604 BCM 6 * 18 18 04.0967525808 -12 15 27.183312792   13.43 12.71 12.78   ~ 4 0
15 Cl* NGC 6604 BCM 18 * 18 18 04.3438044552 -12 15 24.830379396   14.772 14.083 14.01   ~ 4 0
16 Cl* NGC 6604 FD 51 * 18 18 04.3752492256 -12 15 16.132692945   15.626 14.683     ~ 3 0
17 Cl* NGC 6604 FD 50 * 18 18 04.4276482774 -12 15 08.181163531   15.06 14.35 14.76   ~ 5 0
18 NGC 6604 10 * 18 18 04.6807890624 -12 14 36.313774008   13.64 12.85     ~ 5 0
19 Cl* NGC 6604 FD 31 * 18 18 05.12 -12 13 42.0   15.467 14.478     ~ 2 0
20 NGC 6604 11 * 18 18 05.1505995624 -12 14 47.638024656   13.76 12.95     ~ 5 0
21 Cl* NGC 6604 BCM 19 * 18 18 05.7131351433 -12 14 47.402032459   15.157 14.265     ~ 3 0
22 HD 167971 s*b 18 18 05.8947362832 -12 14 33.313601112 7.89 8.27 7.50 6.68 6.279 O8Iaf(n)+O4/5 296 0
23 Cl* NGC 6604 BCM 22 * 18 18 06.3064402248 -12 13 54.312419136   16.491 15.454     ~ 1 0
24 BD-12 4981 * 18 18 06.4688017056 -12 14 04.257530196 10.32 10.76 10.19 10.21   B0 24 0
25 Cl* NGC 6604 FD 49 * 18 18 08.0011343424 -12 14 55.961509740   16.147 14.971     ~ 2 0
26 Cl* NGC 6604 FD 52 * 18 18 08.9701168896 -12 15 41.285780244   15.94 15.04 14.89   ~ 5 0
27 Cl* NGC 6604 FD M * 18 18 09.1166414928 -12 14 53.494486836 12.41 12.94 12.26 12.20   B2V 8 0
28 Cl* NGC 6604 BCM 27 * 18 18 10.4907808536 -12 14 24.810592704           ~ 1 0
29 Cl* NGC 6604 BCM 1 * 18 18 11.2819970664 -12 13 55.855058808 12.42 12.864 12.101     ~ 7 0

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