Volume 503, Number 1, August III 2009
|Page(s)||129 - 136|
|Section||Interstellar and circumstellar matter|
|Published online||22 June 2009|
A new candidate supernova remnant G 70.5+1.9
Technological Education Institute of Crete, Department of Sciences, PO Box 1939, 710 04 Heraklion, Crete, Greece e-mail: email@example.com
2 Institute of Astronomy & Astrophysics, National Observatory of Athens, I. Metaxa & V. Pavlou, P. Penteli, 15236 Athens, Greece e-mail: firstname.lastname@example.org
3 Jodrell Bank Centre for Astrophysics, University of Manchester, Manchester M13 9PL, UK e-mail: email@example.com
4 Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 West Green Street, Urbana, IL 61801-3080, USA e-mail: firstname.lastname@example.org
Accepted: 18 May 2009
A compact complex of line emission filaments in the galactic plane has the appearance of those expected of an evolved supernova remnant, although 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.
Key words: ISM: general / ISM: supernova remnants / ISM: individual objects: G 70.5+1.9
© ESO, 2009
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