Lambda Eridani

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Lambda Eridani
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Eridanus
Right ascension 05h 09m 08.78315s [1]
Declination −08° 45′ 14.6908″ [1]
Spectral type B2IVne [1]

Lambda Eridani (λ Eri) is a star in the constellation Eridanus. Its apparent magnitude is 4.25.

λ Eri is classified in the General Catalogue of Variable Stars as a Beta Cephei variable.[2] The AAVSO International Variable Star Index defines a LERI type of variation. λ Eri is classified as LERI + GCAS since it shows both short term periodic variations and longer timescale eruptive variation.[3]


  1. ^ a b c SIMBAD, Lambda Eridani (accessed 12 September 2012)
  2. ^ Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S. 
  3. ^ Otero, S. A.; Watson, C.; Wils, P. "Variable Star Type Designations in the VSX". AAVSO Website. American Association of Variable Star Observers. Retrieved 19 July 2014.