2001A&A...376..553N

Query : 2001A&A...376..553N

2001A&A...376..553N - Astronomy and Astrophysics, volume 376, 553-560 (2001/9-3)

Multiple H2 protostellar jets in the bright-rimmed globule IC 1396-N.

NISINI B., MASSI F., VITALI F., GIANNINI T., LORENZETTI D., DI PAOLA A., CODELLA C., D'ALESSIO F. and SPEZIALI R.

Abstract (from CDS):

We present near infrared images of the bright rimmed globule IC 1396-N in the H2 2.12µm narrow band filter as well as in broad band J, H and K filters. We detected several chains of collimated H2 knots inside the globule, having different luminosities but similar orientations in the sky. Most of the knots are associated with peaks of high velocity CO emission, indicating that they trace shocked regions along collimated stellar jets. From the H2 knots morphology and orientation, we identify at least three different jets: one of them is driven by the young protostar associated with IRAS 21391+5802, which represents the most luminous object in the region, while we were able to identify only one of the two other driving sources by means of near infrared photometry. Our photometry reveals the existence of a cluster of young embedded sources located in a south-north line which follows the distribution of the high density gas and testifies for a highly efficient star formation activity through all the globule.

Abstract Copyright: ∼

Journal keyword(s): stars: formation - ISM: jets and outflows - ISM: individual objects: IC 1396-N - infrared: ISM: lines

Nomenclature: Table 1, Fig.4: [NMV2001] Knot A (Nos A-G). Fig.5: [NMV2001] Outflow R (Nos I to III). Table 2: [NMV2001] YSO NN (Nos 1-20).

CDS comments: Inversion of position between table 1 and fig 4 : D and F objects.

Simbad objects: 39

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Number of rows : 39
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 EM* AS 35 Em* 01 39 45.1652043264 +63 05 07.614659616   11.36 10.84     OB-e 11 0
2 HD 203856 * 21 23 35.5297279464 +40 01 07.023676800   7.33 7.21     A0V 84 0
3 HD 206267 SB* 21 38 57.6195772032 +57 29 20.554016280 5.09 5.83 5.62   5.56 O6.0V((f))+O9:V 499 0
4 IC 1396 OpC 21 38 58.8 +57 30 50           ~ 496 1
5 2MASS J21402800+5816381 Y*O 21 40 27.9814290864 +58 16 38.062747416           ~ 2 0
6 [NMV2001] Knot C PoC 21 40 35 +58 18.3           ~ 4 0
7 [NMV2001] Knot E PoC 21 40 36 +58 17.6           ~ 3 0
8 [NMV2001] Knot G PoC 21 40 38 +58 17.0           ~ 5 0
9 [NMV2001] YSO 1 Y*O 21 40 38.8 +58 17 38           ~ 2 0
10 CXOU J214039.6+581609 Y*O 21 40 39.60 +58 16 09.0           ~ 4 0
11 2MASS J21403988+5818349 Y*O 21 40 39.884 +58 18 34.96           ~ 3 0
12 [NMV2001] YSO 4 Y*O 21 40 40.2 +58 16 46           ~ 2 0
13 2MASS J21404046+5818261 Y*O 21 40 40.468 +58 18 26.12           ~ 3 0
14 2MASS J21404100+5816121 Y*O 21 40 41.002 +58 16 12.14           ~ 7 0
15 2MASS J21404101+5816525 Y*? 21 40 41.011 +58 16 52.53           ~ 3 0
16 2MASS J21404143+5816378 Y*O 21 40 41.438 +58 16 37.80           ~ 5 0
17 [NMV2001] Knot F PoC 21 40 42 +58 18.3           ~ 4 1
18 [BGE2002] BIMA 2 Y*O 21 40 42.36 +58 16 09.7           ~ 119 0
19 NAME IC 1396 North CGb 21 40 42.6537 +58 16 01.882           ~ 189 1
20 [NMV2001] YSO 9 Y*O 21 40 43.32 +58 17 16.5           ~ 3 0
21 2MASS J21404365+5816190 Y*O 21 40 43.650 +58 16 19.06           ~ 5 0
22 [NMV2001] Knot A PoC 21 40 44 +58 16.3           ~ 4 0
23 2MASS J21404485+5816050 Y*O 21 40 44.857 +58 16 05.03           ~ 5 0
24 [NMV2001] YSO 12 Y*O 21 40 45.5 +58 16 27           ~ 2 0
25 [NMV2001] YSO 13 Y*O 21 40 45.8 +58 15 41           ~ 2 0
26 [NMV2001] Knot D PoC 21 40 46 +58 17.7           ~ 4 1
27 [NMV2001] YSO 14 Y*O 21 40 47.1 +58 15 42           ~ 2 0
28 [NMV2001] YSO 15 Y*O 21 40 47.2 +58 17 01           ~ 2 0
29 2MASS J21404737+5816372 Y*O 21 40 47.371 +58 16 37.28           ~ 4 0
30 2MASS J21404860+5816009 Y*O 21 40 48.610 +58 16 00.96           ~ 4 0
31 [NMV2001] YSO 18 Y*O 21 40 55.1 +58 16 32           ~ 2 0
32 [NMV2001] Knot B PoC 21 40 56 +58 16.7           ~ 3 0
33 2MASS J21405730+5816419 Y*O 21 40 57.302 +58 16 41.93           ~ 3 0
34 Ass Cep OB 2 As* 21 51 +60.0           ~ 294 0
35 [HMT98] AS 37-1 * 22 25 19.9 +40 08 06           ~ 2 0
36 HD 212677 * 22 25 20.6963458704 +40 09 36.715055688   9.06 8.95     A0 12 0
37 [NMV2001] Outflow I PoC ~ ~           ~ 1 0
38 [NMV2001] Outflow III PoC ~ ~           ~ 1 0
39 [NMV2001] Outflow II PoC ~ ~           ~ 1 0

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