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Astronomy & Astrophysics manuscript no. hh211 October 27, 2004 (DOI: will be inserted by hand later)
 

Summary: Astronomy & Astrophysics manuscript no. hh211 October 27, 2004
(DOI: will be inserted by hand later)
The near-infrared excitation of the HH 211 protostellar outflow
Barry O'Connell1,2, Michael D. Smith1, Dirk Froebrich3, Christopher J. Davis4, and Jochen Eisl¨offel5
1
Armagh Observatory, College Hill, Armagh BT61 9DG, Northern Ireland, UK
2
Physics Department, Trinity College Dublin, College Green, Dublin 2, Ireland
3
School of Cosmic Physics, Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin 2, Ireland
4
Joint Astronomy Centre, 660 N.A'ohoku Place, University Park, Hilo, Hawaii 96720, USA
5
Th¨uringer Landessternwarte Tautenburg, Sternwarte 5, 07778 Tautenberg, Germany
Received ...... / Accepted ........
Abstract. The protostellar outflow HH 211 is of considerable interest since it is extremely young and highly collimated. Here,
we explore the outflow through imaging and spectroscopy in the near-infrared to determine if there are further diagnostic
signatures of youth. We confirm the detection of a near-infrared continuum of unknown origin. We propose that it is emitted
by the driving millimeter source, escapes the core through tunnels, and illuminates features aligning the outflow. Narrow-band
flux measurements of these features contain an unusually large amount of continuum emission. [FeII] emission at 1.644 µm

  

Source: Armagh Observatory

 

Collections: Physics