Hatysa

Hatysa (ι Orionis) is a blue giant star in the constellation Orion. With an apparent magnitude of 2.77 it is the 125th-brightest star in the night sky.

Finder chart showing where Hatysa is in the constellation Orion
Hatysa (circled) in Orion, with the surrounding constellations and bright stars.
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Facts

ConstellationOrion
Designationι Orionis (Iota Orionis), HR 1899
Apparent magnitude2.77 (125th brightest)
Spectral typeO9III
Colorblue (B−V -0.24)
Distance—
Right ascension5 h 35.4 min
Declination−5.91°
Best monthJanuary (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Hatysa

Hatysa is in Orion. From 40° N it is highest in the south in January evenings, about 44° above the horizon. From 35° S it reaches about 61° in the north. Nearby bright stars: Alnitak (4° away), Alnilam (5° away) and Saiph (5° away).

Orion constellation →

Other named stars in Orion

RigelBetelgeuseBellatrixAlnilamAlnitakSaiphMintakaTabitMeissa

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