2001A&A...379L..17G

Query : 2001A&A...379L..17G

2001A&A...379L..17G - Astronomy and Astrophysics, volume 379L17-20 (2001/11-3)

VLT-ISAAC 3-5 µm spectroscopy as a new tool for investigating H2 emission in protostellar jets.

GIANNINI T., NISINI B., VITALI F. and LORENZETTI D.

Abstract (from CDS):

We report 3-5µm IR spectroscopy obtained with VLT-ISAAC on the IRS 17 molecular hydrogen jet in the Vela-D Molecular Cloud. Together with H2 emission lines from the v=1 rovibrational state, the spectra show several pure rotational lines of the fundamental state with excitation temperature up to ∼22000K. We show how theoretical rotation diagrams indicate these lines as unique both to probe the presence of collisionally excited gas in NLTE conditions and to infer the gas density.

Abstract Copyright: ∼

Journal keyword(s): stars: formation - infrared: ISM: lines - ISM: jets and outflows - ISM: individual objects: Vela clouds

CDS comments: Fig.1: [LGV2002] IRS 17 CN and GN

Simbad objects: 15

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Number of rows : 15
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 NAME HH 7-11 FIR 03 29 03.9 +31 16 06           ~ 357 0
2 HD 43125 * 06 17 59.6568064392 +56 37 31.607789808   9.83 8.57     K0 11 0
3 NAME Vela-D Molecular Cloud MoC 08 39 -41.0           ~ 52 0
4 [LGV2002] IRS 17 C3 PoC 08 46 32.5 -43 54 10           ~ 4 0
5 [LGV2002] IRS 17 C2 PoC 08 46 32.7 -43 54 12           ~ 4 0
6 [LGV2002] IRS 17 C5 PoC 08 46 32.9 -43 54 19           ~ 4 0
7 [MGL99] IRS 17 40 * 08 46 33.40 -43 54 38.9           ~ 7 0
8 IRAS 08448-4343 cor 08 46 33.8 -43 54 33           ~ 73 1
9 [LGV2002] IRS 17 G1 PoC 08 46 35.3 -43 55 01           ~ 5 0
10 [LGV2002] IRS 17 G2 PoC 08 46 35.4 -43 55 03           ~ 4 0
11 [LGV2002] IRS 17 G3 PoC 08 46 35.5 -43 55 08           ~ 4 0
12 NAME VELA MOL RIDGE MoC 08 53 -45.0           ~ 178 0
13 NAME Vela C Cld 08 57 -43.2           ~ 193 0
14 NAME Vela B MoC 09 04 -48.0           ~ 30 0
15 NAME Vela A MoC 09 18 -48.0           ~ 31 0

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