Close galaxy pairs in low and medium density regions: The southern sky.

Details Close galaxy pairs in low and medium density regions: The southern sky. Close galaxy pairs in low and medium density regions: The southern sky.

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aj....114..913n&link_type=abstract

Astronomical Journal v.114, p. 913-931 (1997)

Astronomy and Astrophysics

Astronomy

12

Dark Matter, Cosmology: Observations

Scientific paper

We extend to the southern hemisphere a continuing program of optical and HI observations of galaxy pairs (Chengalur \etal 1993, 1994, 1995 and Nordgren \etal 1997). These pairs are drawn from published redshift catalogs and represent a complete sample. We present new data of 15 pairs observed with the Palomar 5-meter telescope, Mount Stromlo Siding Spring 40-inch telescope, Australia Telescope Compact Array and VLA D synthesis array. These galaxy pairs are all defined as close pairs (projected separations < 100 kpc). HI companions are found near five of 15 pairs.

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