分光 ぶんこう連星 れんせいじゃありませんでした
bunkōrenseijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 分光連星

1. Was not a spectroscopic binary.; Was not a binary star (observed spectroscopically).

Past/Perfective
Negative
Polite
Terminal Form
Astronomy