HD 173791 är en gul till vit jättestjärna av spektralklass G8 III, som till sist sannolikt kommer att utvecklas till en kol-syre-stjärna i form av en vit dvärg. Den har en massa som är ungefär lika med en solmassa, en radie som är ca 3 solradier och har en effektiv temperatur av ca 5200 K.
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