asterism

n.

星群；（提醒注意的）三星符号；星彩；星彩性

1. In Greek myth, the Big Dipper asterism represents the hindquarters and tail of the constellation Ursa Major, the Great Bear.
   在希腊神话传说中，北斗七星的三星符号象征着大熊星座的后臀和尾巴。

Optical theory of asterism
Asterism decoding for Turbo coded MIMO systems
Asterism decoding for layered space-time systems
The origin of asterism in almandine-pyrope garnets from Idaho
BVRI photometry of the Dipper Asterism region in M 67
Extending Asterism Decoding to QAM and Its Complexity in Rician Fading MIMO Systems
COUSINS VRI STANDARD STARS IN THE M 67 DIPPER ASTERISM
Not an open cluster after all: the NGC 6863 asterism in Aquila
Cousins BVRI CCD photometry of stars in the M67 'dipper asterism'
Robert Boyle, Georges Pierre des Clozets, and the Asterism: a New Source