CDS

2001A&A...371..908V

Query : 2001A&A...371..908V

2001A&A...371..908V - Astronomy and Astrophysics, volume 371, 908-920 (2001/6-1)

The open cluster Havlen-Moffat No. 1 revisited.

VAZQUEZ R.A. and BAUME G.

Abstract (from CDS):

A deep CCD UBVRI photometric survey combined with UBVRI polarimetric observations of 21 bright stars was carried out in the region of the open cluster Havlen-Moffat No. 1. Our data reveal that the extinction law in this cluster is variable and that six cluster stars show very high polarisation values (>4%), probably because of the presence of a nearby small dust cloud. The cluster is at a distance of d=3300pc, it is 2-4Myr old and the initial mass function of its most massive stars (M>3M☉) has a flat slope of x≃0.7. As an additional result, it was possible to reconcile the absolute magnitudes of the two WN7-type members using the R-values valid in the regions where they are located.

Abstract Copyright: ∼

Journal keyword(s): cluster: open - individual: Havlen-Moffat No. 1 - stars: imaging - stars: luminosity function, mass function - ISM: dust, extinction

VizieR on-line data: <Available at CDS (J/A+A/371/908): stars.dat table1.dat>

Nomenclature: Table 1: CL* HM 1 VB NNN (Nos 1-802).

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

Simbad objects: 59

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Number of rows : 59
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023 		#notes
1 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16981 1
2 NGC 1948 As* 05 24 20.00 -66 24 12.0   10.81 10.61     ~ 105 0
3 * B Car SB* 08 09 00.6369168474 -61 18 08.545898653   5.163 4.742     F6VFe-0.8CH-0.4 163 0
4 HD 93162 WR* 10 44 10.3890266112 -59 43 11.106500520 7.90 8.55 8.80 8.66   O2.5If*/WN6+OB 353 1
5 HD 102365 PM* 11 46 31.0725331317 -40 30 01.285867174 5.65 5.55 4.88 4.35 3.97 G2V 329 1
6 HD 111613 sg* 12 51 17.9760267672 -60 19 47.240368104 6.00 6.10 5.72 5.32 5.03 B9.5Iab 117 0
7 Cl Hogg 16 OpC 13 29 18 -61 12.0   8.69 8.4     ~ 64 0
8 NGC 5606 OpC 14 27 47 -59 37.9           ~ 102 0
9 * 18 Sco PM* 16 15 37.2702755653 -08 22 09.982125430   6.15 5.50     G2Va 585 0
10 * omi Sco V* 16 20 38.1806792 -24 10 09.549111 5.99 5.40 4.57 3.69 2.93 A5II 253 0
11 NAME Sco OB 1 As* 16 53.5 -41 57           ~ 212 0
12 NGC 6231 OpC 16 54 10.8 -41 48 43           ~ 529 0
13 Cl HM 1 12 * 17 18 42.8169069936 -38 49 50.367839016 14.46 14.09 12.57     O6I 11 0
14 Cl HM 1 20 * 17 18 44.8977166368 -38 50 00.331676160 14.97 14.8 13.45     ~ 10 0
15 ALS 18750 LP? 17 18 47.6443958208 -38 49 57.854608608 14.65 14.27 12.77     O8 7 0
16 Cl HM 1 27 * 17 18 51.9538610880 -38 50 02.551476120           ~ 2 0
17 Cl HM 1 11 * 17 18 52.8493568880 -38 50 12.609156372   13.98 13.30     ~ 2 0
18 WRAY 15-1666 WR* 17 18 52.8750705984 -38 50 03.606746928 13.93 13.27 11.83 11.43   WN7 70 0
19 Cl HM 1 16 * 17 18 53.3724578208 -38 51 13.216995792 15.58 14.98 13.20     O6II(f) 9 0
20 Cl HM 1 5 * 17 18 55.8673397232 -38 47 47.445467316   11.79 11.16     ~ 2 0
21 Cl HM 1 29 * 17 18 56.42 -38 50 52.7           ~ 2 0
22 Cl HM 1 28 * 17 18 56.45 -38 49 54.9           ~ 3 0
23 Cl HM 1 30 * 17 18 56.77 -38 51 06.6           ~ 2 0
24 Cl HM 1 7 * 17 18 57.2844747960 -38 50 05.959051044   11.88 11.32     ~ 2 0
25 Cl HM 1 31 * 17 18 58.85 -38 51 12.0           ~ 2 0
26 Cl HM 1 39 * 17 18 59.2565372376 -38 47 55.768486164           ~ 3 0
27 Cl HM 1 OpC 17 19 00 -38 49.0           ~ 47 0
28 CD-38 11746 WR* 17 19 00.5232022104 -38 48 51.247595664 13.01 12.48 11.02 10.55   WN8h 97 0
29 Cl HM 1 18 * 17 19 00.7936104528 -38 49 23.133433188 15.17 14.87 13.41     O7V((f))z 14 0
30 Cl HM 1 10 * 17 19 01.0507369032 -38 48 58.992562332 15.46 15.16 15.41 13.77   O8.5V 10 0
31 Cl HM 1 40 * 17 19 01.3988073264 -38 47 31.086788568           ~ 6 0
32 Cl HM 1 19 * 17 19 01.6794329064 -38 49 10.617624948 16.12 15.73 14.15     O9V 12 0
33 Cl HM 1 33 * 17 19 01.9099487760 -38 48 09.879592212           ~ 3 0
34 Cl HM 1 25 * 17 19 02.0719468752 -38 49 21.887609232           ~ 4 0
35 Cl HM 1 22 * 17 19 03.42 -38 49 42.2   16.00 14.58     ~ 2 0
36 HD 327317 * 17 19 03.6551507496 -42 32 45.865678776   10.51 10.14 10.12   B5 7 0
37 CD-38 11747 * 17 19 03.8495516736 -38 50 42.508360968   11.77 11.48     ~ 2 0
38 Cl HM 1 8 * 17 19 04.4329814016 -38 49 04.869862716 14.45 14.08 12.52     O5III(f) 15 0
39 Cl HM 1 38 * 17 19 04.5265669416 -38 48 36.690396120           ~ 4 0
40 Cl HM 1 23 * 17 19 04.7404239472 -38 49 49.961832232 16.92 16.53 15.03     ~ 7 0
41 Cl HM 1 34 * 17 19 05.15 -38 48 32.4           ~ 2 0
42 CD-38 11748 ** 17 19 05.556576 -38 48 49.68000 13.03 12.76 11.26 10.68   O4.5Ifpe 35 0
43 Cl HM 1 32 * 17 19 05.5790164632 -38 51 04.361352948           ~ 2 0
44 Cl HM 1 24 * 17 19 05.6261725896 -38 49 26.639167836   16.85 15.64     ~ 3 0
45 Cl HM 1 9 * 17 19 05.7683983728 -38 49 02.126209476 14.99 14.58 12.99     O9.7V 12 0
46 Cl HM 1 6 * 17 19 06.0229903296 -38 46 45.008225868 13.53 13.18 11.64     O5.5Ifc 19 1
47 Cl HM 1 26 * 17 19 07.2173119392 -38 48 47.805744888       14.47 13.33 ~ 2 0
48 Cl HM 1 36 * 17 19 08.8864822081 -38 49 13.515883591           ~ 5 0
49 Cl HM 1 15 * 17 19 09.6232089384 -38 48 36.616637844   13.88 13.20     ~ 2 0
50 Cl HM 1 37 * 17 19 10.1717354184 -38 49 41.036188764           ~ 2 0
51 Cl HM 1 35 * 17 19 10.8220443816 -38 48 53.923665348           ~ 3 0
52 Cl HM 1 14 * 17 19 12.6052414536 -38 48 05.463589212   13.14 12.54 12.54   ~ 2 0
53 Cl HM 1 21 * 17 19 20.1050394768 -38 51 00.706788252   12.69 12.09     ~ 3 0
54 BFS 65 HII 17 20 05.8 -38 57 37           ~ 77 0
55 GRS G349.80 -00.50 HII 17 21.2 -38 12           ~ 7 0
56 Cl Trumpler 27 OpC 17 36 20 -33 31.0   8.24 6.7     ~ 98 1
57 V* R CrA Ae* 19 01 53.6764322232 -36 57 08.299341828 12.781 12.651 11.917 11.242 10.412 B5IIIpe 475 1
58 * eta Aql cC* 19 52 28.3689223781 +01 00 20.371980515 5.12 4.61 3.80   3.030 F6Iab+B9.8V 667 0
59 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 915 0

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2023.09.26-14:29:13

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