A stellar disk perpendicular to the radio jet in B2 0034+25

Details A stellar disk perpendicular to the radio jet in B2 0034+25 A stellar disk perpendicular to the radio jet in B2 0034+25

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...338l..29g&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 338, March 1, 1989, p. L29-L32.

Astronomy and Astrophysics

Astronomy

9

Elliptical Galaxies, Galactic Structure, Radio Galaxies, Radio Jets (Astronomy), Astronomical Photometry, Fourier Analysis

Scientific paper

CCD surface photometry of the radio galaxy B2 0034+25 is reported. Fourier analysis of the intensity variations along a set of closely spaced elliptical contours fitted to the intensity distribution reveals a high positive cos 4-theta component in the inner 10 arcsecs. Subtraction of elliptical models of the stellar light shows the presence of a disk component at approximately a right angle to the axis of the radio jet. The warped structure of the disk suggests that it is settling into a preferred orientation along the major axis of the main galaxy. The morphology of the system as the result of a merging process and the role of the stellar disk in the collimation of the radio plasma are discussed.

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