2011MNRAS.416.2163T


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.13CEST07:46:08

2011MNRAS.416.2163T - Mon. Not. R. Astron. Soc., 416, 2163-2173 (2011/September-3)

Imaging study of NGC 3372, the Carina nebula – III. The properties of G287.47-0.54 (Tr 14-N4), an embedded young cluster and its associated H2emission.

TAPIA M., ROTH M., BOHIGAS J. and PERSI P.

Abstract (from CDS):

New deep broad- and narrow-band (JHK and Br γ at 2.17 µm and H2 at 2.12 µm) near-infrared (near-IR) images of the mid-IR source G287.47-0.54 (Tr14-N4) taken with the Baade Magellan telescope are presented and analysed along with archive 3.6–8 µ m Spitzer images. The analysis of these data demonstrates the presence of a compact (r∼ 23 arcsec, 0.3 pc), embedded IR cluster with at least 72 young members. The colour–magnitude diagram of the cluster suggests an age of approximately 105 years, consistent with the large fraction ( ≥ 32 per cent) of embedded sources found to show significant excess emission at λ > 2 µ m. The two youngest and most luminous sources are located close to the cluster nucleus. The properties of their spectral energy distributions (SEDs) indicate that these are Class I young stellar objects (YSOs) with masses in the range 7–9 Mand luminosities between 400 and 800 L. We derive the presence of a tilted (i∼ 40°–70°) disc of size ≥ 0.05 pc around one of these YSOs, #902. This object is seen directly through the dust disc only at λ ≥ 2.2, with most of the observed near-IR radiation being scattered light from lobes on both sides of the disc. In contrast, the second bright YSO, #438, is seen directly even in the near-IR and also shows symmetrically elongated features that seem to be caused by scattering. The young cluster G287.47-0.54 is embedded at the head of a dust pillar and is another example of a photodissociation region (PDR) where triggered star formation occurs as a consequence of the interaction of a very massive developed cluster, in this case Tr 16, with a dense molecular core. It appears that the dense cloudlet is sticking out of the remnant giant molecular cloud located at the far side of the northern Carina nebula. Five small molecular hydrogen emission knots at 2.12 µ m with no Brγ counterpart are found in the vicinity of a CO peak, some 0.4 pc north-west of the cluster nucleus. Most probably, these are shock excited, suggesting the presence of mass outflows in the region. At present, it is unclear whether the engine of this outflow is a member of the cluster or rather it is an undetected, younger YSO deeply embedded in the molecular core.

This paper includes data gathered with the 6.5-m Magellan Telescopes located at Las Campanas Observatory, Chile, and also data from the Spitzer Space Telescope archive.


Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): stars: formation - H {sc ii} regions - infrared: stars

Nomenclature: Table 1: [TRB2011] NNN N=72 among (Nos 190-902). Table 2: [TRB2011] JHHMMSS.ss+DDMMSS.s N=5.

CDS comments: Table 1: 2 objects 437, according to figure 9 the good position is the first one. The second object 437 is not in Simbad.

Simbad objects: 93

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Number of rows : 93

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Carina I HII Region HII 10 43 32 -59 35.0           ~ 52 0
2 Cl Trumpler 14 OpC 10 43 56 -59 33.0   5.70 5.5     ~ 446 0
3 Cl Collinder 228 OpC 10 44 00 -60 05.2   4.58 4.4     ~ 193 0
4 [RBB2002] N1 * 10 44 04.52 -59 33 43.7   17.500 16.350   14.746 ~ 7 1
5 MSX6C G287.4723-00.6270 MIR 10 44 11.8 -59 37 27           ~ 4 1
6 [TRB2011] J104427.95-593245.5 NIR 10 44 27.95 -59 32 45.5           ~ 1 0
7 [TRB2011] J104428.12-593245.3 NIR 10 44 28.12 -59 32 45.3           ~ 1 0
8 [TRB2011] J104428.34-593245.0 NIR 10 44 28.34 -59 32 45.0           ~ 1 0
9 [TRB2011] J104428.53-593245.5 NIR 10 44 28.53 -59 32 45.5           ~ 1 0
10 [TRB2011] 290 Y*O 10 44 28.57 -59 33 36.1           ~ 1 0
11 [TRB2011] 308 Y*O 10 44 28.83 -59 33 33.2           ~ 1 0
12 [TRB2011] 313 Y*O 10 44 28.89 -59 33 32.4           ~ 1 0
13 [TRB2011] J104429.14-593242.6 NIR 10 44 29.14 -59 32 42.6           ~ 1 0
14 [TRB2011] 264 Y*O 10 44 29.90 -59 33 39.2           ~ 1 0
15 [TRB2011] 190 Y*O 10 44 29.99 -59 33 50.5           ~ 1 0
16 [TRB2011] 600 Y*O 10 44 30.19 -59 33 45.3           ~ 1 0
17 [TRB2011] 358 Y*O 10 44 30.22 -59 33 26.0           ~ 1 0
18 [TRB2011] 594 Y*O 10 44 30.28 -59 33 46.8           ~ 1 0
19 [TRB2011] 392 Y*O 10 44 30.60 -59 33 21.9           ~ 1 0
20 [TRB2011] 352 Y*O 10 44 30.98 -59 33 26.8           ~ 1 0
21 [TRB2011] 271 Y*O 10 44 31.04 -59 33 38.6           ~ 1 0
22 [TRB2011] 566 Y*O 10 44 31.07 -59 33 05.5           ~ 1 0
23 [TRB2011] 902 * 10 44 31.08 -59 33 10.4           ~ 2 0
24 [TRB2011] 462 Y*O 10 44 31.30 -59 33 11.0           ~ 1 0
25 [TRB2011] 589 Y*O 10 44 31.30 -59 32 48.7           ~ 1 0
26 [RBB2002] N4-I2 Y*O 10 44 31.3185112499 -59 33 11.542751476         17.04 ~ 6 2
27 [TRB2011] 311 Y*O 10 44 31.82 -59 33 32.4           ~ 1 0
28 [TRB2011] 506 Y*O 10 44 31.88 -59 33 04.4           ~ 1 0
29 [RBB2002] N4 mul 10 44 32.1 -59 33 20           ~ 8 0
30 [TRB2011] 241 Y*O 10 44 32.11 -59 33 42.6           ~ 1 0
31 [TRB2011] 453 Y*O 10 44 32.11 -59 33 12.9           ~ 1 0
32 [TRB2011] 438 Y*O 10 44 32.29 -59 33 14.4           ~ 1 0
33 [RBB2002] N4-I1 Y*? 10 44 32.304 -59 33 14.86           ~ 4 1
34 [TRB2011] 403 Y*O 10 44 32.42 -59 33 19.6           ~ 1 0
35 [TRB2011] 422 Y*O 10 44 32.43 -59 33 16.6           ~ 1 0
36 [TRB2011] 455 Y*O 10 44 32.45 -59 33 12.7           ~ 1 0
37 [TRB2011] 336 Y*O 10 44 32.50 -59 33 28.7           ~ 1 0
38 [TRB2011] 514 Y*O 10 44 32.56 -59 33 03.1           ~ 1 0
39 [GG2014] 161 cor 10 44 32.57 -59 33 36.2           ~ 2 0
40 [TRB2011] 295 Y*O 10 44 32.57 -59 33 34.7           ~ 1 0
41 [TRB2011] 209 Y*O 10 44 32.66 -59 33 48.0           ~ 1 0
42 [TRB2011] 426 Y*O 10 44 32.88 -59 33 16.3           ~ 1 0
43 [TRB2011] 213 Y*O 10 44 32.91 -59 33 47.4           ~ 1 0
44 [TRB2011] 385 Y*O 10 44 32.98 -59 33 22.6           ~ 1 0
45 [TRB2011] 418 Y*O 10 44 32.99 -59 33 17.1           ~ 1 0
46 [TRB2011] 441 Y*O 10 44 32.99 -59 33 14.0           ~ 1 0
47 [TRB2011] 343 Y*O 10 44 33.13 -59 33 27.6           ~ 1 0
48 [TRB2011] 432 Y*O 10 44 33.17 -59 33 15.2           ~ 1 0
49 [TRB2011] 206 Y*O 10 44 33.19 -59 33 48.7           ~ 1 0
50 [TRB2011] 221 Y*O 10 44 33.28 -59 33 45.9           ~ 1 0
51 2MASS J10443341-5933189 Y*O 10 44 33.4061167305 -59 33 19.171034290 16.286 16.726 16.265   14.52 B 4 0
52 [TRB2011] 394 Y*O 10 44 33.43 -59 33 21.1           ~ 1 0
53 [TRB2011] 461 Y*O 10 44 33.52 -59 33 11.1           ~ 1 0
54 [TRB2011] 360 Y*O 10 44 33.60 -59 33 25.5           ~ 1 0
55 [TRB2011] 350 Y*O 10 44 33.71 -59 33 26.4           ~ 1 0
56 [TRB2011] 405 Y*O 10 44 33.73 -59 33 18.7           ~ 1 0
57 [TRB2011] 328 Y*O 10 44 33.80 -59 33 29.7           ~ 1 0
58 [TRB2011] 586 Y*O 10 44 33.85 -59 33 49.2           ~ 1 0
59 [TRB2011] 536 Y*O 10 44 33.87 -59 32 59.8           ~ 1 0
60 [TRB2011] 572 Y*O 10 44 33.88 -59 32 52.3           ~ 1 0
61 [TRB2011] 253 Y*O 10 44 33.99 -59 33 40.8           ~ 1 0
62 [TRB2011] 240 Y*O 10 44 34.00 -59 33 42.6           ~ 1 0
63 [TRB2011] 413 Y*O 10 44 34.00 -59 33 17.5           ~ 1 0
64 [TRB2011] 354 Y*O 10 44 34.06 -59 33 26.4           ~ 1 0
65 [TRB2011] 443 Y*O 10 44 34.14 -59 33 13.7           ~ 1 0
66 [TRB2011] 393 Y*O 10 44 34.31 -59 33 21.2           ~ 1 0
67 [TRB2011] 284 Y*O 10 44 34.88 -59 33 36.3           ~ 1 0
68 [TRB2011] 400 Y*O 10 44 35.00 -59 33 19.8           ~ 1 0
69 [TRB2011] 429 Y*O 10 44 35.16 -59 33 15.6           ~ 1 0
70 [TRB2011] 477 Y*O 10 44 35.21 -59 33 08.8           ~ 1 0
71 [TRB2011] 406 Y*O 10 44 35.31 -59 33 18.5           ~ 1 0
72 [TRB2011] 322 Y*O 10 44 35.35 -59 33 30.6           ~ 1 0
73 [TRB2011] 402 Y*O 10 44 35.52 -59 33 19.4           ~ 1 0
74 [TRB2011] 451 Y*O 10 44 35.70 -59 33 12.5           ~ 1 0
75 [TRB2011] 228 Y*O 10 44 35.81 -59 33 44.0           ~ 1 0
76 [TRB2011] 416 Y*O 10 44 36.36 -59 33 19.9           ~ 1 0
77 [TRB2011] 415 Y*O 10 44 36.38 -59 33 18.1           ~ 1 0
78 [TRB2011] 246 Y*O 10 44 36.74 -59 33 42.2           ~ 1 0
79 [TRB2011] 515 Y*O 10 44 37.21 -59 33 02.9           ~ 1 0
80 [TRB2011] 444 Y*O 10 44 37.34 -59 33 13.4           ~ 1 0
81 [TRB2011] 463 Y*O 10 44 37.94 -59 33 10.6           ~ 1 0
82 [TRB2011] 473 Y*O 10 44 38.12 -59 33 09.2           ~ 1 0
83 [TRB2011] 447 Y*O 10 44 38.47 -59 33 13.1           ~ 1 0
84 [TRB2011] 449 Y*O 10 44 38.67 -59 33 12.9           ~ 1 0
85 C 1042-593 OpC 10 44 39.00 -59 33 36.0     6.8     ~ 60 0
86 Cl Trumpler 15 OpC 10 44 43 -59 22.0   7.41 7.0     ~ 184 0
87 MSX6C G287.51-00.49 HII 10 44 59.0 -59 31 24           ~ 4 0
88 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 917 2
89 IRAS 10430-5931 HII 10 45 02.4 -59 47 10           ~ 15 0
90 * eta Car Em* 10 45 03.5455050 -59 41 03.951060 6.37 7.034 6.21 4.90 4.41 OBepec 2262 0
91 Cl Trumpler 16 OpC 10 45 10 -59 43.0   5.35 5.0     ~ 440 0
92 IRAS 10439-5941 HII 10 45 54.0 -59 57 03           ~ 12 0
93 NAME NGC 6334 I(N) smm 17 20 54 -35 45.0           ~ 128 1

    Equat.    Gal    SGal    Ecl

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2021.04.13-07:46:08

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