Search results for "ISM: individual objects: ESO-Hα 574 Par-Lup 3-4"

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The diagnostic potential of Fe lines applied to protostellar jets

2013

We investigate the diagnostic capabilities of the iron lines for tracing the physical conditions of the shock-excited gas in jets driven by pre-main sequence stars. We have analyzed the 300-2500 nm X-shooter spectra of two jets driven by the pre-main sequence stars ESO-Halpha 574 and Par-Lup 3-4. Both spectra are very rich in [FeII] lines over the whole spectral range; in addition, lines from [FeIII] are detected in the ESO-H\alpha 574 spectrum. NLTE codes along with codes for the ionization equilibrium are used to derive the gas excitation conditions of electron temperature and density, and fractional ionization. The iron gas-phase abundance is provided by comparing the iron lines emissivi…

PhysicsJet (fluid)Range (particle radiation)ISM: individual objects: ESO-Hα 574 Par-Lup 3-4 ISM: jets and outflows ISM: lines and bands stars: pre-main sequenceFOS: Physical sciencesAstronomy and AstrophysicsAstrophysicsAstrophysics - Astrophysics of GalaxiesSpectral lineStarsindividual objects: ESO-Hα 574 Par-Lup 3-4 ISM: jets and outflows ISM: lines and bands stars: pre-main sequence [ISM]Astrophysics - Solar and Stellar AstrophysicsSpace and Planetary ScienceIonizationAstrophysics of Galaxies (astro-ph.GA)EmissivityElectron temperatureAtomic physicsExcitationSolar and Stellar Astrophysics (astro-ph.SR)
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