2003ApJ...593L..47R

Query : 2003ApJ...593L..47R

2003ApJ...593L..47R - Astrophys. J., 593, L47-L50 (2003/August-2)

Blowout from IC 1396N: the emergence of Herbig-Haro flows from a cloud core.

REIPURTH B., ARMOND T., RAGA A. and BALLY J.

Abstract (from CDS):

We have identified a major Herbig-Haro flow, HH 777, that is bursting out of the IC 1396N cometary cloud core. Near- and mid-infrared images reveal a very red object embedded in the center of the core, located on the symmetry axis of the large HH 777 flow, suggesting that this is likely the driving source. The projected separation of the working surface from the source is 0.6 pc. Additionally, 0.4 pc to the east of the source and on the flow axis, there is a faint, previously known HH object (HH 594) that may be part of the counterflow. It thus appears that we are seeing a blowout of a parsec-scale flow into the surrounding H II region. We study numerical simulations of a jet breaking out of a neutral cloud into a photoionized medium, and we reproduce the main features of the HH 777 flow.

Abstract Copyright: ∼

Journal keyword(s): ISM: Clouds - ISM: Herbig-Haro Objects - ISM: Jets and Outflows - Stars: Formation - Stars: Pre-Main-Sequence

Nomenclature: Fig.3: [NMV2001] Knot A (Nos H-M) added.

Simbad objects: 21

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Number of rows : 21
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 IC 1396 OpC 21 38 51.4 +57 31 52           ~ 523 1
2 HH 777 HH 21 40 21.6 +58 15 49           ~ 10 0
3 HH 778 HH 21 40 22.8 +58 19 19           ~ 1 0
4 [NMV2001] Knot G PoC 21 40 38 +58 17.0           ~ 5 0
5 [CBN2001] C Rad 21 40 39.40 +58 18 29.8           ~ 5 0
6 [BGE2002] BIMA 1 Y*O 21 40 39.67 +58 16 06.2           ~ 19 0
7 NAME HH 777 IRS ? 21 40 41.6 +58 16 38           ~ 4 0
8 [NMV2001] Knot L PoC 21 40 42.020 +58 16 52.23           ~ 2 0
9 [BGE2002] BIMA 2 Y*O 21 40 42.36 +58 16 09.7           ~ 123 0
10 NAME IC 1396 North CGb 21 40 42.6537 +58 16 01.882           ~ 193 1
11 [BGE2002] BIMA 3 Y*O 21 40 42.77 +58 16 01.1           ~ 20 0
12 [NMV2001] Knot A PoC 21 40 44 +58 16.3           ~ 4 0
13 HH 593 HH 21 40 45.2 +58 16 09           ~ 6 0
14 HH 779 HH 21 40 47.9 +58 13 35           ~ 1 0
15 HH 780 HH 21 40 53.1 +58 14 16           ~ 2 0
16 HH 594 HH 21 40 53.8 +58 17 02           ~ 2 0
17 [NMV2001] Knot M PoC ~ ~           ~ 3 0
18 [NMV2001] Knot I PoC ~ ~           ~ 3 0
19 [NMV2001] Knot H PoC ~ ~           ~ 3 0
20 [NMV2001] Knot K PoC ~ ~           ~ 3 0
21 [NMV2001] Knot J PoC ~ ~           ~ 3 0

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