Chertan

Chertan (θ Leonis) is a white main-sequence star in the constellation Leo. With an apparent magnitude of 3.34 it is the 244th-brightest star in the night sky, and it is about 176 light-years from Earth.

Finder chart showing where Chertan is in the constellation Leo
Chertan (circled) in Leo, with the surrounding constellations and bright stars.
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Free to use with credit: Atlas of the Sky (constellationmap.org), CC BY 4.0 · More

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Facts

ConstellationLeo
Designationθ Leonis (Theta Leonis), HR 4359
Apparent magnitude3.34 (244th brightest)
Spectral typeA2V
Colorwhite (B−V -0.01)
Distanceabout 176 light-years
Right ascension11 h 14.2 min
Declination+15.43°
Best monthApril (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 Chertan

Chertan is in Leo. From 40° N it is highest in the south in April evenings, about 65° above the horizon. From 35° S it reaches about 40° in the north. Nearby bright stars: Zosma (5° away), Denebola (8° away) and Regulus (16° away).

Leo constellation →

Other named stars in Leo

RegulusDenebolaZosmaAlgiebaAdhaferaSubraRasalasAlterf

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