CCD surface photometry of three low-luminosity radio galaxies containing radio jets

Details CCD surface photometry of three low-luminosity radio galaxies containing radio jets CCD surface photometry of three low-luminosity radio galaxies containing radio jets

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104..535g&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 104, no. 2, Aug. 1992, p. 535-545. Research supported by Ministry of Education and S

Astronomy and Astrophysics

Astronomy

5

Astronomical Photometry, Charge Coupled Devices, Radio Galaxies, Radio Jets (Astronomy), Brightness Distribution, Radio Emission, Synchrotron Radiation, Very Large Array (Vla)

Scientific paper

Results of CCD photometry of the three low-luminosity radio galaxies which contain jets at the kpc scale: B2 0836 + 29, B2 2116 + 26, and B2 2236 + 35 are presented and discussed. The photometric properties of the galaxies are examined by analyzing the radial variations of surface brightness, ellipticity, major axis position angle, and isophote center. The deviations of the isophotes are characterized from perfect elliptical contours. The morphological properties of the galaxies are discussed in terms of their local environment and radio emission. The galaxies are found to present optical peculiarities that are signatures of merging processes or interactions. When galaxy models are subtracted to the original frames, the resulting residual images make it possible to put limits on the radio to optical spectral indices of the jets. It is inferred that the synchrotron spectra of these jets have cutoff frequencies below 5 x 10 exp 14 Hz.

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