Astronomers are studying the spectral differences between Sirius and Denebian light.

Denebian 是由 Deneb（"Deneb"是天鹅座α星的专有名称）加上后缀 -ian 构成的形容词后缀，表示"与Deneb星相关的"。 Denebian light 指"来自Deneb星的光线"。