2009MNRAS.398..221B

Query : 2009MNRAS.398..221B

2009MNRAS.398..221B - Mon. Not. R. Astron. Soc., 398, 221-232 (2009/September-1)

A study of the galactic plane towards l = 305°.

BAUME G., CARRARO G. and MOMANY Y.

Abstract (from CDS):

We present optical (UBVIC) observations of a rich and complex field in the Galactic plane towards l ∼ 305° and b ∼ 0°. Our analysis reveals a significantly high interstellar absorption (AV∼ 10) and an abnormal extinction law in this line of sight. Availing a considerable number of colour combinations, the photometric diagrams allow us to derive new estimates of the fundamental parameters of the two open clusters Danks 1 and Danks 2. Due to the derived abnormal reddening law in this line of sight, both clusters appear much closer (to the Sun) than previously thought. Additionally, we present the optical colours and magnitudes of the WR 48a star, and its main parameters were estimated. The properties of the two embedded clusters, DBS2003 130 and 131, are also addressed. We identify a number of young stellar objects which are probable members of these clusters. This new material is then used to revisit the spiral structure in this sector of the Galaxy showing evidence of populations associated with the inner Galaxy Scutum-Crux arm.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): stars: individual: WR 48a - open clusters and associations: general - Galaxy: structure

VizieR on-line data: <Available at CDS (J/MNRAS/398/221): table2.dat>

Nomenclature: Table 2: [BCM2009b] NNNNN (Nos 1-34310).

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

Simbad objects: 19

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Number of rows : 19
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 SA 101- reg 09 57 28.2 -00 19 39           ~ 74 0
2 NAME Crux-Scutum Spiral Arm reg 12 30 -60.0           ~ 323 0
3 SA 104- reg 12 42 21.0 -00 32 29           ~ 58 0
4 GAL 305.20+00.2 bub 13 11 35.1 -62 33 26           ~ 39 0
5 [DBS2003] 131 OpC 13 11 39.400 -62 33 11.55           ~ 16 0
6 [ABB2014] WISE G305.265-00.008 bub 13 11 52.0 -62 47 10           ~ 9 0
7 [DBS2003] 130 Cl* 13 11 54 -62 47.0           ~ 8 0
8 HD 114515 * 13 12 15.7866410904 -62 42 50.475197700   9.64 8.65     G0/2IV 13 0
9 [DBS2003] 132 Cl* 13 12 18 -62 42.3           ~ 9 0
10 Cl Danks 1 OpC 13 12 29.0 -62 41 56           ~ 80 0
11 WR 48a WR* 13 12 39.6052790136 -62 42 55.939362876       16.081   WC6 106 0
12 Cl Danks 2 OpC 13 12 53.3 -62 40 52           ~ 73 0
13 GAL 305.3+00.1 bub 13 13 01.2 -62 42 37           ~ 10 0
14 Cl Stock 16 OpC 13 19 26.4 -62 37 19           ~ 95 0
15 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 581 1
16 SA 107- reg 15 39.2 -00 20           ~ 91 0
17 [BDS2003] 130 OpC 18 56 32 +02 24.1           ~ 3 0
18 [BDS2003] 132 Cl* 19 10 11 +09 07.0           ~ 3 0
19 [BDS2003] 131 Cl* 19 10 31 +07 52.9           ~ 8 0

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