SS 433: results of a recent multiwavelength campaign

Anandarao, B. G. ; Pal, S. ; Mondal, S. ; Nandi, A. ; Bhattacharyya, A. ; Mandal, S. ; Ram Sagar, ; Pandey, J. C. ; Pati, A. ; Saha, S. K. (2005) SS 433: results of a recent multiwavelength campaign Monthly Notices of the Royal Astronomical Society, 362 (3). pp. 957-965. ISSN 0035-8711

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We conducted a multiwavelength campaign in 2002 September-October, to observe SS 433. We used the Giant Meter Radio Telescope for radio observations, the Physical Research Laboratory Infrared Telescope at Mt Abu for infrared (IR), the ARIES telescope at Nainital for optical photometry, the telescope at the Vainu Bappu observatory for spectral measurements and the Rossi X-ray Timing Explorer for X-ray observations. We find sharp variations in intensity on time-scales of a few minutes in the X-ray, IR and radio wavelengths. Differential photometry in the IR observations clearly indicates significant intrinsic variations on short time-scales of minutes throughout the campaign. Combining the results for these wavelengths, we find a signature of delay of about two days between the IR and radio signals. The X-ray spectrum yielded double Fe line profiles which corresponded to red and blue components of the relativistic jet. We also present the broad-band spectrum averaged over the campaign duration.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
Keywords:Methods: Miscellaneous;stars: Individual: Ss 433;stars: Winds; Outflows; Infrared: Stars; Radio Continuum: Stars;x-rays: Stars
ID Code:91831
Deposited On:24 May 2012 12:34
Last Modified:24 May 2012 12:34

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