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]
References
- 1 2 3 SIMBAD, Lambda Eridani (accessed 12 September 2012)
- ↑ 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.
- ↑ 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.
| ||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Monday, April 18, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.