Association of the supernova remnant G 65.3+5.7 with ambient neutral hydrogen and a possible nature of the remnant

Details Association of the supernova remnant G 65.3+5.7 with ambient neutral hydrogen and a possible nature of the remnant Association of the supernova remnant G 65.3+5.7 with ambient neutral hydrogen and a possible nature of the remnant

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010astl...36..260g&link_type=abstract

Astronomy Letters, Volume 36, Issue 4, pp.260-268

Astronomy and Astrophysics

Astronomy

Interstellar Medium, Supernova Remnants, Neutral Hydrogen

Scientific paper

The neutral hydrogen at 21 cm has been investigated with the RATAN-600 radio telescope around the supernova remnant G 65.3+5.7, which has the largest angular sizes in the group of shell remnants. An expanding HI shell left after an old supernova explosion with an energy of ˜1051 erg and an age of 440 000 yr coincident in coordinates with the radio and optical remnant has been discovered. Since an X-ray emission from a much younger (27 000 yr) supernova remnant is observed in the same region and the shells detected by nebular lines have probably intermediate ages, we suggest that several successive supernova explosions have occurred here.

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