GGD 37: An Extreme Protostellar Outflow
- Green, Joel D.
- Watson, D. M.
- Bergin, E.
- Maret, S.
- Melnick, G.
- Sonnentrucker, P.
- Tolls, V.
- Sargent, B. A.
- Forrest, W. J.
- Kim, K. H.
- Raines, S. N.
DOIAbstract
We present the first Spitzer-IRS spectral maps of the Herbig-Haro flow GGD 37 detected in lines of [Ne III], [O IV], [Ar III], and [Ne v]. The detection of extended [O IV] (55 eV) and some extended emission in [Ne v] (97 eV) indicates a shock temperature in excess of 100,000 K, in agreement with X-ray observations, and a shock speed in excess of 200 km s(-1). The presence of an extended photoionization or collisional ionization region indicates that GGD 37 is a highly unusual protostellar outflow.Jet Propulsion Laboratory, under NASA 1407NASA 1257184Jet Propulsion Laboratory (JPL) 960803University of Rochester 31419-5714Astronom
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