The supernova remnants G67.7+1.8, G31.5-0.6 and G49.2-0.7

Details The supernova remnants G67.7+1.8, G31.5-0.6 and G49.2-0.7 The supernova remnants G67.7+1.8, G31.5-0.6 and G49.2-0.7

2001-01-12

arxiv.org/abs/astro-ph/0101198v1

Astronomy and Astrophysics

Astrophysics

16 pages, 4 png figures. Submitted revised version to A & A

Scientific paper

10.1051/0004-6361:20010137

Wide field CCD observations of three, less known, supernova remnants. Filamentary and diffuse emission is discovered from the supernova remnant G67.7+1.8. Emission can also be seen in the ROSAT All Sky Survey data which indicate an extended hard X-ray source. The optical radiation from the G31.5-0.6 area shows weak sulfur emission and is probably not related to the remnant. Weak sulfur emission is also observed from W51C or G49.2-0.7. However, a small patch of emission in the south-east seems to emit strong sulfur emission. Results from long slit spectra are also presented.

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