SIMBAD references

2000A&A...364..501D - Astronomy and Astrophysics, volume 364501-516 (2000/12-2)

On the viewing angle to broad-lined radio galaxies.

DENNETT-THORPE J., BARTHEL P.D. and VAN BEMMEL I.M.

Abstract (from CDS):

We address the nature of broad-lined radio galaxies, in particular their radio axis orientation, using new, matched resolution, dual frequency radio observations of a sample of twelve nearby broad-lined extragalactic 3C objects. Radio spectral index and depolarisation asymmetries indicate that these objects have a preferred orientation with respect to the observer. In addition, the spectral asymmetries are suggestive of lower Doppler factors in the broad-lined radio galaxies when compared to 3C quasars. This is in agreement with their optical properties, and leads to the conclusion that some objects are lower powered versions - at similar lines of sight - of the more distant quasars, whereas others are at larger angles to the line of sight.

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Journal keyword(s):

Simbad objects: 18

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