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The microarcsecond structure of 3C 273 at 3 MM

Bååth, L.B. 1948- (author)
Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
Padin, S. (author)
Owens Valley Observatory, Pasadena, CA, USA
Woody, D. (author)
Owens Valley Observatory, Pasadena, CA, USA
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Rogers, A. E. E. (author)
Northeast Radio Observatory Corp., Haystack Observatory, Westford, MA, USA
Wright, M. C. H. (author)
University of California, Berkeley, CA, USA
Zensus, A. (author)
Owens Valley Observatory, Pasadena, CA, USA
Kus, A. J. (author)
Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
Backer, D. C. (author)
University of California, Berkeley, CA, USA
Booth, R. S. (author)
Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
Carlstrom, J. E. (author)
University of California, Berkeley, CA, USA
Dickman, R. L. (author)
UIniversity of Massachusetts, Amherst, MA, USA
Emerson, D. T. (author)
NRAO, Tucson, AZ, USA
Hirabayashi, H. (author)
Nobeyama Radio Observatory, Minamimaki, Nagano, Japan
Hodges, M. W. (author)
Owens Valley Observatory, Pasadena, CA, USA
Inoue, M. (author)
Nobeyama Radio Observatory, Minamimaki, Nagano, Japan
Moran, J. M. (author)
Center for Astrophysics, Cambridge, MA, USA
Morimoto, M. (author)
Nobeyama Radio Observatory, Minamimaki, Nagano, Japan
Payne, J. (author)
NRAO, Tucson, AZ, USA
Plambeck, R. L. (author)
University of California, Berkeley, CA, USA
Predmore, C. R. (author)
UIniversity of Massachusetts, Amherst, MA, USA
Rönnäng, B., 1940- (author)
Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden
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 (creator_code:org_t)
Les Ulis : EDP Sciences, 1991
1991
English.
In: Astronomy and Astrophysics. - Les Ulis : EDP Sciences. - 0004-6361 .- 1432-0746. ; 241:1, s. L1-L4
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Recent improvements in data analysis and receiver techniques have allowed us to produce a map of the 100GHz emission from the compact radio source 3C273 with the unsurpassed resolution of 50-mu-as (microarcseconds). Our map shows that the structure within 300-mu-as (approximately 1.5.10(18).h-1 cm) has a position angle significantly different from the position angle of the jet observed at lower frequencies. There are also indications in our map that the inner structure has a more pronounced wiggling structure than has been observed on larger scales. The observations were made about 60 days from the start of the outburst of 1988. Most of the flux from the outburst is concentrated in a component which is elongated approximately (56 x 5).10(16).h-1 cm perpendicular to the overall jet-axis. The distance between this component and the core is approximately 128-mu-as, which corresponds to the distance expected from an apparent velocity of approximately 800-mu-as year-1.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

radio galaxies
jets
hot spots
shocks
magnetic fields
relativity

Publication and Content Type

ref (subject category)
art (subject category)

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