Velocities and BR photometry of Abell 1995

Abell 1995 is a puzzling galaxy cluster hosting a powerful radio halo, but it has not yet been recognized as a obvious cluster merger, as usually expected for clusters with...阿贝尔1995（Abell 1995）是一个令人费解的星系团（galaxy cluster），其内部存在一个强射电晕（radio halo），但它尚未被认定为典型的星系团并合（cluster merger）系统，而这通常是带有……的星系团所普遍被预期存在的情况