SIMBAD references

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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