Nordgren, Tyler E. ; Chengalur, Jayaram N. ; Salpeter, E. E. ; Terzian, Yervant (1997) Close galaxy pairs in low and medium density regions: the Southern sky The Astronomical Journal, 114 (3). pp. 913-931. ISSN 0004-6256
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Official URL: http://articles.adsabs.harvard.edu/cgi-bin/nph-iar...
Related URL: http://dx.doi.org/10.1086/118523
Abstract
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to University of Chicago Press. |
| Keywords: | Dark Matter; Cosmology: Observations |
| ID Code: | 63543 |
| Deposited On: | 29 Sep 2011 04:02 |
| Last Modified: | 29 Sep 2011 04:02 |
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