SIMBAD references

2006PASJ...58..243D - Publ. Astron. Soc. Jap., 58, 243-251 (2006/April-0)

Milliarcsecond-scale spectral properties and jet motions in M 87.

DODSON R., EDWARDS P.G. and HIRABAYASHI H.

Abstract (from CDS):

We have combined high resolution VLBI Space Observatory Programme (VSOP) data at 1.6 and 4.8GHz with Very Long Baseline Array (VLBA) data at higher frequencies and with similar resolutions to study the spectral properties of the core of M 87 with milliarcsec resolution. The VSOP data allows a more accurate measurement of the turnover frequency, and hence more reliable determination of associated physical parameters of the source. Comparison of the images with previously published images yields no evidence for significant motions of components in the parsec-scale jet. In addition, the brightness temperatures obtained from modelfits to the core are well below the inverse Compton limit, suggesting that the radio emission we are observing is not strongly Doppler boosted.

Abstract Copyright:

Journal keyword(s): galaxies: active - galaxies: individual (M 87) - radio continuum: galaxies

Simbad objects: 7

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2020.01.28-08:10:21

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