A new candidate supernova remnant G 70.5+1.9

Details A new candidate supernova remnant G 70.5+1.9 A new candidate supernova remnant G 70.5+1.9

2009-05-21

arxiv.org/abs/0905.3480v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

13 pages, 6 figures, accepted for publication in A&A

Scientific paper

A compact complex of line emission filaments in the galactic plane has the appearance of those expected of an evolved supernova remnant though non-thermal radio and X-ray emission have not yet been detected. This optical emission line region has now been observed with deep imagery and both low and high-dispersion spectroscopy. Diagnostic diagrams of the line intensities from the present spectra and the new kinematical observations both point to a supernova origin. However, several features of the nebular complex still require an explanation within this interpretation.

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