Redshifts of 19 Shakhbazian compact groups of galaxies |
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Authors: | H M Tovmassian H Tiersch V H Chavushyan S G Navarro |
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Institution: | 1.Instituto Nacional de Astrofisica Optica y Electronica,Tonantzintla,Mexico;2.Sternwarte K?nigsleiten,München,Germany;3.Instituto de Astronomía y Meteorología,Universidad de Guadalajara,Jalisco,Mexico |
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Abstract: | By observations at Calar Alto (Spain), La Silla (Chile) and Cananea (Mexico), we measured redshifts of 108 candidate members
in 19 Shakhbazian compact galaxy groups ShCG 44, 105, 149, 168, 270, 276, 278, 279, 298, 303, 304, 310, 317, 331, 339, 340,
345, 358, and 359. Redshifts of another ten members were taken from the NED. We found that nine out of 118 candidate member
galaxies are stars, and twelve galaxies are not members of the corresponding groups and are projected over them. The group
ShCG 168 is the core of a cluster. The groups ShCG 276, ShCG 298, and ShCG 303 are either strongly contaminated by field galaxies
with redshift differing not very much from that of the corresponding group, or are the results of a chance projection of field
galaxies. |
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Keywords: | |
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