while a further 32 times the Sun's luminosity is being emitted in the infrared, for 70-fold total.

Nomenclature

? Serpentis (Latinised to Alpha Serpentis) is the system's Bayer designation.

It bore the traditional names Unukalhai (alternatively spelt Unuk al Hay or Unuk Elhaija) from the Arabic ??? ????? ?unuq al-hayyah "the serpent's neck", and Cor Serpentis from

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