Eta Aquilae Comparison Table

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Eta Aquilae comparison table

Subject is an instance of is a kind of has definition has discovery date

Population I Cepheid Population I star A Cepheid which is about 4 times more luminous than Population II Cepheids, probably because of their higher metal content (although mass may also be a factor).

Eta Aquilae Population I Cepheid A pulsating star in the constellation Aquila. It was the first Cepheid discovered, in 1784. 1784

Subject	is an instance of	is a kind of	has definition	has discovery date
Population I Cepheid		Population I star	A Cepheid which is about 4 times more luminous than Population II Cepheids, probably because of their higher metal content (although mass may also be a factor).
Eta Aquilae	Population I Cepheid		A pulsating star in the constellation Aquila. It was the first Cepheid discovered, in 1784.	1784

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