3C 390.3 is a broad-line radio galaxy located in the constellation Draco. It is also a Seyfert 1 galaxy which is an X-ray source.[2]
References
- ^ a b c d "NASA/IPAC Extragalactic Database". Results for 3C 390.3. Retrieved 2006-10-26.
- ^ "3CR 390.3 -- Seyfert 1 Galaxy".
External links
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