1999A&A...346..233P

Query : 1999A&A...346..233P

1999A&A...346..233P - Astronomy and Astrophysics, volume 346233-236 (1999/6-1)

H2 bipolar emission associated with the quadrupolar molecular outflow in L723.

PALACIOS J. and EIROA C.

Abstract (from CDS):

We present near-infrared images of the quadrupolar CO outflow in L723, formed by two lobe pairs of different size. Bipolar molecular hydrogen line emission is detected, approximately centered on the Class 0 source L723 VLA2. One of the observed H2 nebulosities coincides with the Herbig-Haro object HH 223. The H2 bipolar outflow is projected against the large lobe pair of the quadrupolar CO outflow. Position angles of the H2 and HH emissions, large CO lobe pair and the thermal radio jet VLA2 are similar and also close to the magnetic field direction in the region. All these phenomena are likely powered by the young protostellar object L723 VLA2. Our near-infrared images do not show any near-ir counterpart of the smaller CO pair, whose origin and driving source remain unclear.

Abstract Copyright: ∼

Journal keyword(s): ISM: individual objects: L723 - ISM: jets and outflows

Nomenclature: Table 1: [PE99] H2-WW (Nos NW, SW), [PE99] KN (Nos K1-K2). Text: [PE99] H2-NW A (Nos A-C). Text: [PE99] HHMMSS.ss+DDMMSS N=1.

CDS comments: VLA 2 = [AER91] 2, Object 83 = [VLS86] LDN 723 83.

Simbad objects: 14

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Number of rows : 14
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 GSC 00441-01200 * 18 27 13.4965184160 +04 03 09.803489760   13.8 13.5     K0 27 0
2 [PE99] H2-NW ISM 19 17 51.6 +19 12 40           ~ 4 0
3 [PE99] 191541.29+190655 * 19 17 53.1 +19 12 25           ~ 1 0
4 NAME LDN 723 VLA 2 Rad 19 17 53.67 +19 12 19.5           ~ 26 0
5 [PE99] K1 ISM 19 17 54.2 +19 12 19           ~ 5 0
6 [PE99] K2 ISM 19 17 54.3 +19 12 15           ~ 5 0
7 HH 223 HH 19 17 57.471 +19 11 52.87           ~ 10 0
8 [PE99] H2-SW ISM 19 17 57.7 +19 11 53           ~ 1 0
9 [VLS86] LDN 723 83 * 19 18 06.0 +19 11 21           ~ 3 0
10 LDN 723 DNe 19 18 12 +19 13.6           ~ 155 0
11 NAME Cep E HII 23 03 12.779 +61 42 25.75           ~ 183 0
12 [PE99] H2-NW C ISM ~ ~           ~ 1 0
13 [PE99] H2-NW B ISM ~ ~           ~ 1 0
14 [PE99] H2-NW A ISM ~ ~           ~ 1 0

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