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28 March 2024
 
  » arxiv » astro-ph/0207188

 Article overview


EVN and MERLIN confirmation of the LS5039 jets
J.M. Paredes ; M. Ribo ; E. Ros ; J. Marti ; M. Massi ;
Date 9 Jul 2002
Journal Astron.Astrophys. 394 (2002) 983-992
Subject astro-ph
Affiliation Univ. Barcelona, MPIfR, Univ. Jaen
AbstractThe microquasar nature of LS5039 was revealed by May 1999 VLBA+VLA observations showing a two-sided jet at milliarcsecond scales. Here we present follow-up interferometric observations carried out with the EVN and MERLIN at 5 GHz in March 2000. The obtained maps with both the EVN and MERLIN show a two-sided jet with a similar position angle to the previous VLBA+VLA map. The total length of the jet arms is ~60 mas in the EVN map and ~300 mas in the MERLIN map. A brightness and length asymmetry of the jets, compatible with the earlier observations, is also present in the maps. Overall, these observations confirm the existence of a two-sided jet structure in LS 5039 and seem to indicate their persistent nature.
Source arXiv, astro-ph/0207188
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