Probing the history of SS433's jet kinematics via Decade-resolution radio observations of W50

Details Probing the history of SS433's jet kinematics via Decade-resolution radio observations of W50 Probing the history of SS433's jet kinematics via Decade-resolution radio observations of W50

2011-03-29

arxiv.org/abs/1103.5658v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

11 pages, 6 figures, accepted to MNRAS

Scientific paper

We present the results of a kinematical study of the W50 nebula using high resolution radio observations from the Very Large Array (VLA) spanning a 12-year period, sampled in 1984, 1993 and 1996. We conduct a careful analysis of the proper motions of the radio filaments across the W50 nebula at each epoch, and detect no significant motion for them during this period. The apparent lack of movement in the radio filaments mandates either (i) a high degree of deceleration of SS433's jet ejecta in the W50 nebula, or (ii) that the lobes of W50 formed a long time ago in SS433's history, during a jet outburst with appreciably different characteristics to the well-known precessing jet state observed in SS433 at the present day. We discuss the possible scenarios which could explain this result, with relevance to the nature of SS433's current jet activity.

Affiliated with

Also associated with

No associations

Rating

Probing the history of SS433's jet kinematics via Decade-resolution radio observations of W50 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Probing the history of SS433's jet kinematics via Decade-resolution radio observations of W50, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Probing the history of SS433's jet kinematics via Decade-resolution radio observations of W50 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-163515