Radio and optical investigation of UGC 6697 in Abell 1367

Details Radio and optical investigation of UGC 6697 in Abell 1367 Radio and optical investigation of UGC 6697 in Abell 1367

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...137..235g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 137, no. 2, Aug. 1984, p. 235-244.

Astronomy and Astrophysics

Astronomy

18

Galactic Clusters, Galactic Structure, Radio Sources (Astronomy), Spectral Energy Distribution, Astronomical Maps, Galactic Rotation, Visible Spectrum

Scientific paper

Radio maps of the irregular galaxy UGC 6697 in A1367, obtained at 0.6, 1.4, and 5 GHz with the WSRT and at 1.4 GHz with the VLA, are presented and combined with multicolor 4-m KPNO observations to establish that the marked asymmetry of the radio source (resembling a head-tail source) reflects an intrinsic asymmetry of the parent galaxy. Narrow-band H-alpha observations reveal a ringlike structure in this object, which indicates that the galaxy is not seen edge-on. The peculiar rotation curve of UGC 6697, as derived from IPCS spectra, can be interpreted as due to a rotating ring with strong non-circular motions. The many pieces of data collected on this interesting object are discussed in the context of a possible interaction between UGC 6697 and the IGM or with its companion galaxy.

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