Epsilon Lyrae
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Epsilon Lyrae (ε Lyr / ε Lyrae) is a binary star in the constellation Lyra. Commonly known as the double-double, Epsilion Lyrae is one of the most well known of binary stars. It can be separated into two components when viewed through binoculars, or even the Naked eye. When viewed at higher magnifications, each component of the binary is further split into a binary, that is, two sets of binary stars orbiting each other. Characteristics:
- Right ascension: 18h 44m 18.5s
- Declination: +39° 40' 13"
- Other designations: 4 Lyr, HR 7051, HD 173582, HIP 91919, BD +39 03509, ADS 11635, CCDM 18443+3938, TYC 03122-3438 2, GSC 03122-3438
- Absolute magnitude (MV): 1.18 (Eps1), 1.10 (Eps2)
- Spectral type: F1V (Eps1), A8V (Eps2)
- Distance: 162 ly
[edit] External links
- Epsilon Lyrae -- The Double Double
- Epsilon Lyrae
- Epsilon Lyrae- more information about it.
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