2018MNRAS.481.3902B

Query : 2018MNRAS.481.3902B

2018MNRAS.481.3902B - Mon. Not. R. Astron. Soc., 481, 3902-3920 (2018/December-2)

New Galactic star clusters discovered in the disc area of the VVVX survey.

BORISSOVA J., IVANOV V.D., LUCAS P.W., KURTEV R., ALONSO-GARCIA J., RAMIREZ ALEGRIA S., MINNITI D., FROEBRICH D., HEMPEL M., MEDINA N., CHENE A.-N. and KUHN M.A.

Abstract (from CDS):

The 'VISTA Variables in the Via Lactea eXtended (VVVX)' ESO Public Survey is a near-infrared photometric sky survey that covers nearly 1700 deg2 towards the Galactic disc and bulge. It is well-suited to search for new open clusters, hidden behind dust and gas. The pipeline processed and calibrated KS-band tile images of 40 per cent of the disc area covered by VVVX was visually inspected for stellar overdensities. Then, we identified cluster candidates by examination of the composite JHKS colour images. The colour-magnitude diagrams of the cluster candidates are constructed. Whenever possible the Gaia DR2 parameters are used to calculate the mean proper motions, radial velocities, reddening and distances. We report the discovery of 120 new infrared clusters and stellar groups. Approximately half of them (47 per cent) are faint, compact, highly reddened, and they seem to be associated with other indicators of recent star formation, such as nearby Young Stellar Objects, Masers, H II regions or bubbles. The preliminary distance determinations allow us to trace the clusters up to 4.5 kpc, but most of the cluster candidates are centred at 2.2 kpc. The mean proper motions of the clusters show that in general they follow the disc motion of the Galaxy.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): Galaxy: open clusters and associations: general - Galaxy: disk - Infrared: stars

VizieR on-line data: <Available at CDS (J/MNRAS/481/3902): table1.dat tablea1.dat tableb1.dat>

Nomenclature: Tables A1-B1: VVVX CLNNN (Nos CL1-CL120). Table 1: [BIL2018] CLNNN ObjN N=3+2 (Nos CL010 Obj1-CL010 Obj3, CL011 Obj1-CL011 Obj2)

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

Simbad objects: 65

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Number of rows : 65
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 NAME Per Arm PoG 03 30 +45.0           ~ 1513 0
2 NAME Car Arm PoG 10 00 -60.0           ~ 439 1
3 Cl Westerlund 2 OpC 10 23 58.1 -57 45 49           ~ 356 0
4 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1014 2
5 NGC 3603 OpC 11 15 10.8 -61 15 32           ~ 1067 1
6 IRAS 12441-5947 LP? 12 47 05.6898322608 -60 04 21.612059292       15.38 11.54 M8 3 0
7 UCAC4 126-076254 * 12 50 38.3527251648 -64 55 16.125357360       15.55   M1 1 0
8 2MASS J12503894-6455065 LP? 12 50 38.9322354912 -64 55 06.401794440   16.50 14.60 14.80   M5 2 0
9 UCAC4 126-076264 * 12 50 39.4955767488 -64 54 59.166740844   16.50 14.60 14.59   M0 1 0
10 TYC 8988-1409-1 * 12 51 13.7052170736 -60 35 40.434612288   12.67 12.38 12.24   M3 1 0
11 TYC 8988-2122-1 * 12 51 14.6382850896 -60 35 35.554055496   13.56 11.91 13.22   K6 1 0
12 Cl Danks 2 OpC 13 12 53.3 -62 40 52           ~ 66 0
13 IRAS 15565-4923 IR 16 00 15.2798038968 -49 31 25.662767880           ~ 4 0
14 [CAB2011] G332.40+2.46 mm 16 05.4 -48 59           ~ 2 0
15 IRAS 16019-4903 Y*? 16 05 41.83896 -49 11 29.4612           ~ 16 0
16 [MHL2007] G328.9716-02.4664 1 Y*? 16 10 31.36 -54 56 13.5           ~ 2 0
17 WRAY 16-205 HII 16 10 41.0035224792 -54 57 34.657706592     12.90     ~ 58 1
18 IRAS 16289-4449 Or* 16 32 32.19264 -44 55 30.6552       15.95   ~ 137 1
19 MSX6C G343.0500+02.6094 Cld 16 46 50.2 -41 13 54           ~ 8 0
20 [OSP2002] BRC 82 11 Em* 16 47 22.94 -41 13 54.3           ~ 3 0
21 XZLJ Nor 111 ? 16 49 19.5 -48 35 29           ~ 2 0
22 GN 17.54.8.01 RNe 17 57 46 -18 32.2           ~ 5 0
23 MSX6C G010.5067+02.2285 HII 18 00 34.6 -18 45 18           ~ 2 0
24 Ryu 670 Cl* 18 01 27.75 -17 56 48.3           ~ 2 0
25 [ABB2014] WISE G010.185-00.396 bub 18 09 37.8 -20 19 12           ~ 4 0
26 [L89b] 10.190-00.426 HII 18 09 44.6 -20 19 50           ~ 4 0
27 Ryu 657 Cl* 18 09 55.7500 -19 48 19.400           ~ 2 0
28 [AAJ2015] G010.630-00.338 HII 18 10 19.2 -19 54 12           ~ 3 1
29 W 31 SFR 18 10 28.6 -19 55 51           ~ 261 0
30 HRDS G010.638-00.434 bub 18 10 41.7 -19 56 31           ~ 5 0
31 AGAL G012.418+00.506 cor 18 10 51.09792 -17 55 49.6272           ~ 66 0
32 Ryu 687 Cl* 18 10 51.27 -17 55 49.5           ~ 2 0
33 IRAS 18085-1931 Y*O 18 11 31.98 -19 30 41.7           ~ 34 0
34 Ryu 664 Cl* 18 11 32.34 -19 30 37.4           ~ 2 0
35 [KC97c] G011.9+00.0 HII 18 11 53.2 -18 36 22           ~ 7 1
36 GRS G011.94 -00.62 HII 18 14 01.3 -18 53 34           ~ 10 0
37 MSX6C G017.3765+02.2512 Y*O 18 14 21.1 -12 44 33           ~ 3 0
38 Ryu 715 Cl* 18 16 01.19 -16 05 08.3           ~ 2 0
39 IRAS 18131-1606 MIR 18 16 01.56960 -16 05 08.8332           ~ 9 0
40 MSX6C G011.3757-01.6770 Y*O 18 16 50.5 -19 53 20           ~ 3 0
41 [PW2010] 48 Y*? 18 17 26.627 -17 05 35.48           ~ 2 0
42 MSX6C G014.0329-00.5155 HII 18 17 50.6 -16 59 57           ~ 3 0
43 [PW2010] 130 Y*O 18 17 55.1483055936 -16 58 28.607219400           ~ 2 0
44 IRAS 18151-1208 Y*O 18 17 58.1254 -12 07 24.893           ~ 106 0
45 Ryu 711 Cl* 18 18 15.15 -16 50 57.6           ~ 2 0
46 M 16 OpC 18 18 45.1 -13 47 31           ~ 1029 1
47 IRAS 18159-1550 HII 18 18 47.30 -15 48 57.9           ~ 26 0
48 MSX6C G016.9512+00.7806 HII 18 18 50.5 -13 48 54           ~ 3 0
49 MSX6C G017.4507+00.8118 HII 18 19 42.0 -13 21 37           ~ 3 0
50 [SPE2008b] IRAS 18171-1548 VLA 1 HII 18 20 06.40 -15 46 44.1           ~ 2 0
51 IRAS 18177-1405 MIR 18 20 35.44488 -14 04 13.9368           ~ 7 0
52 IRAS 18180-1416 Y*O 18 20 55.29504 -14 15 30.6540           ~ 12 0
53 RAFGL 2136 Y*O 18 22 26.52888 -13 30 14.0400           ~ 285 0
54 [ABB2014] WISE G018.657-00.057 bub 18 25 09.0 -12 41 57           ~ 6 0
55 [CKW87] 182253.2-131203 HII 18 25 42.5 -13 10 17           ~ 9 0
56 IRAS 18229-1308 Y*O 18 25 48.36624 -13 06 29.0952           ~ 23 0
57 LS IV -11 19 Em* 18 26 22.0340433624 -11 12 08.527051404   11.87 11.30     OB-e 7 0
58 IRAS 18241-1134 Y*O 18 26 57.6011 -11 31 58.313           ~ 15 0
59 [WBH2005] G019.608-0.237 HII 18 27 38.6 -11 56 45           ~ 2 1
60 IRAS 18257-1226 HII 18 28 33.7 -12 24 32           ~ 4 0
61 MSX6C G019.8817-00.5347 HII 18 29 14.5 -11 50 32           ~ 6 0
62 Ryu 796 Cl* 18 30 03.39 -12 15 16.0           ~ 2 0
63 NAME Outer Arm PoG 21 48 +69.4           ~ 316 0
64 NAME Galactic Bulge reg ~ ~           ~ 4299 0
65 NAME Galactic Bar reg ~ ~           ~ 1220 0

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