Pairs of spiral galaxies with magnitude differences greater than one

Details Pairs of spiral galaxies with magnitude differences greater than one Pairs of spiral galaxies with magnitude differences greater than one

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...121...26a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 121, no. 1, May 1983, p. 26-28.

Astronomy and Astrophysics

Astrophysics

6

Brightness Distribution, Galactic Structure, Red Shift, Spiral Galaxies, Astronomical Catalogs, Magnitude

Scientific paper

For isolated physical pairs of spiral galaxies in Karachentsev's (1972) catalog, the authors show that where the difference in brightness is greater than one magnitude, the fainter galaxy has a significantly higher redshift on the average. This result confirms, in an independent sample of morphologically similar galaxies, the result which has come from every other test of companion galaxies - that they are systematically higher in redshift than the brighter galaxy.

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