EDP Sciences
Free access
Volume 503, Number 1, August III 2009
Page(s) 129 - 136
Section Interstellar and circumstellar matter
DOI http://dx.doi.org/10.1051/0004-6361/200912211
Published online 22 June 2009
A&A 503, 129-136 (2009)
DOI: 10.1051/0004-6361/200912211

A new candidate supernova remnant G 70.5+1.9

F. Mavromatakis1, P. Boumis2, J. Meaburn3, and A. Caulet4

1  Technological Education Institute of Crete, Department of Sciences, PO Box 1939, 710 04 Heraklion, Crete, Greece
    e-mail: fotis@stef.teicrete.gr
2  Institute of Astronomy & Astrophysics, National Observatory of Athens, I. Metaxa & V. Pavlou, P. Penteli, 15236 Athens, Greece
    e-mail: ptb@astro.noa.gr
3  Jodrell Bank Centre for Astrophysics, University of Manchester, Manchester M13 9PL, UK
    e-mail: jmeaburn@jb.man.ac.uk
4  Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 West Green Street, Urbana, IL 61801-3080, USA
    e-mail: caulet@astro.uiuc.edu

Received 26 March 2009 / 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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