description HR 5171 Overview
HR 5171 is a yellow hypergiant in Centaurus and one of the largest stars known by physical radius, also forming a contact binary system with a giant companion.
insights Why this score
HR 5171 ranks #134 of 217 in the Star ranking, behind Avior, ahead of Hamal.
Large yellow hypergiant and contact binary, scientifically notable but specialist.
help HR 5171 FAQ
How good is HR 5171?
HR 5171 scores 7.65/10 (Good) on Lunoo, making it a well-rated option in the Star category. Large yellow hypergiant and contact binary, scientifically notable but specialist.
What are the best alternatives to HR 5171?
See our alternatives page for HR 5171 for a ranked list with scores. Top alternatives include: Alpha Centauri A, Capella, Rho Cassiopeiae.
How does HR 5171 compare to Alpha Centauri A?
See our detailed comparison of HR 5171 vs Alpha Centauri A with scores, features, and an AI-powered verdict.
Is HR 5171 worth it in 2026?
With a score of 7.65/10, HR 5171 is a solid option in Star. See all Star ranked.
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