Lambda Leonis

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Lambda Leonis

Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Leo
Right ascension 09h 31m 43.240s
Declination +22° 58′ 5.036″
Characteristics
Astrometry
Distance 336 ly
Other designations

Lambda Leonis (λ Leo, λ Leonis) is a star in the constellation Leo. It has the traditional name Alterf, from the Arabic الطرف aṭ-ṭarf "the view (of the lion)".

This star, along with ξ Cnc, were the Persian Nahn, "the Nose", and the Coptic Piautos, "the Eye", both lunar asterisms.[1]

Lambda Leonis is of spectral class K5 and apparent magnitude +4.32. It is approximately 336 light years from Earth.

References

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