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HD 21278 is a class B5V (blue main-sequence) star in the constellation Perseus. Its apparent magnitude is 4.99 and it is approximately 520 light years away based on parallax.
References
HD 21278 Wikipedia(Text) CC BY-SA
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HD 21278 is a class B5V (blue main-sequence) star in the constellation Perseus. Its apparent magnitude is 4.99 and it is approximately 520 light years away based on parallax.