Circular Polarisation Observations of SS433

Details Circular Polarisation Observations of SS433 Circular Polarisation Observations of SS433

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ap%26ss.288...97m&link_type=abstract

Astrophysics and Space Science, v. 288, Issue 1, p. 97-103 (2003).

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

We present four epochs of observations of the Galactic X-ray binary SS433 using the Australian Telescope Compact Array (ATCA). These observations, taken on 4 February, 29 February, 23 March and 27 June 2000, at four frequencies ranging from 1-9 Ghz, are used to monitor the circular polarised emission from the source. We obtain circular polarisation spectra for the first three epochs with spectral indices α, (mc~να), equal to 0.07+/-0.10, -1.07+/-0.09 and -0.18+/-0.05 and also observe a sign change in Stokes V. This change of handedness may indicate a long-term restructuring of the magnetic field.

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