2002A&A...390L...5M

Query : 2002A&A...390L...5M

2002A&A...390L...5M - Astronomy and Astrophysics, volume 390, L5-9 (2002/7-4)

A twisted jet from R Mon.

MOVSESSIAN T.A., MAGAKIAN T.Y. and AFANASIEV V.L.

Abstract (from CDS):

We present the results of long-slit and integral-field spectroscopy of the R Mon Herbig-Haro jet. The data were obtained with the 6 m telescope. A slightly curved jet of 16" in length is evident in [SII] lines. Maps of radial velocities and electron densities are shown. The difference between radial velocities on the sides of the jet as well as the density distribution can be considered as an indication of presence of the helical shock structure in the jet. This structure, having a DNA-like appearance, abruptly changes direction near the edges, which could account for the observed velocity variations. Radial velocities were determined also for the several knots in the HH 39 group. The kinematics of the system as a whole also suggests the precession of the outflow.

Abstract Copyright: ∼

Journal keyword(s): ISM: individual objects: R Mon - jets and outflows - kinematics and dynamics

Simbad objects: 8

Full paper

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Number of rows : 8

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023	#notes
1	RAFGL 5123	Y*O	04 31 34.07736	+18 08 04.9020						K3V/M3III	853	0
2	HH 212	HH	05 43 51.41	-01 02 53.1						~	373	1
3	HH 39D	HH	06 39 05.46	+08 50 56.6						~	9	0
4	HH 39E	HH	06 39 05.57	+08 51 03.9						~	8	0
5	HH 39A	HH	06 39 05.64	+08 51 29.0						~	11	0
6	HH 39	HH	06 39 07	+08 51.9						~	55	0
7	V* R Mon	Ae*	06 39 09.9542000448	+08 44 09.539482632	10.76	12.46	11.85	10.96	10.25	B8IIIe	513	0
8	HH 39G	HH	~	~						~	3	0

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