A Rapidly Moving Shell in the Orion Nebula | Zendy

Donald K. Walter | Zendy; C. R. O’dell | Zendy; Xihai Hu | Zendy; R. J. Dufour | Zendy

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A Rapidly Moving Shell in the Orion Nebula

Author(s) -

Donald K. Walter,

C. R. O’dell,

Xihai Hu,

R. J. Dufour

Publication year - 1995

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/133609

Subject(s) - orion nebula , physics , nebula , astrophysics , stars , ionization , monochromatic color , astronomy , spectroscopy , shell (structure) , infrared , main sequence , ion , optics , materials science , quantum mechanics , composite material

A well-resolved elliptical shell in the inner Orion Nebula has been investigated by monochromatic imaging plus high and low resolution spectroscopy. We find that it is of low ionization and the two bright ends are moving at -39 and -49 km s-1 with respect to OMC-1. there is no central object, even in the infrared J bandpass although H2 emission indicates a possible association with the nearby very young pre-Main Sequence star J&W 352, which is one of the youngest pre-Main Sequence stars in the inner Orion Nebula. Many of the characteristics of this object (low ionization, blue shift) are like those of the Herbig Haro objects, although the symmetric form would make it an unusual member of that class.

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