Other
Scientific paper
Jul 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...239..469a&link_type=abstract
Astrophysical Journal, Part 1, vol. 239, July 15, 1980, p. 469-471, 473, 474.
Other
17
Astronomical Photography, Galactic Clusters, Galactic Structure, Red Shift, Filaments, H Lines, Line Spectra, Photographic Plates
Scientific paper
Three new cases where smaller galaxies appear to be connected by luminous filaments to larger galaxies are presented. The central galaxy-interacting companion redshifts are: (a) 6,000 and 16,400 km/s; (b) 4,600 and 37,300 km/s (NGC 53 + companion); and (c) 10,400 and 46,900 km/s. These should be added to the original member of the class: (d) 8,700 and 16,900 km/s (NGC 7603 + companion). All cases appear to be physically connected, but the most striking case is (b) above. Direct photography shows the central galaxy to be very distorted in a way not accounted for by other galaxies in the vicinity. The luminous filament reaches from the very perturbed regions to the companion, and the companion has a spectrum exhibiting unusually early hydrogen-absorption lines. The latter are characteristic of the young stellar population companions usually found near large galaxies.
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