Epsilon Arietis

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ε Arietis
Observation data
Epoch J2000.0
Constellation
(pronunciation)		 Aries
Right ascension 02h 59m 12.7s
Declination +21° 20' 25"
Apparent magnitude (V) +4.63
Distance 293 ± 39 ly
(90 ± 12 pc)
Spectral type A2Vs
Other designations
48 Arietis, HR 887 +
HR 888, HD 18519 +
HD 18520, BD+20°484,
HIP 13914, SAO 75673,
GC 3582, ADS 2257,
CCDM 02592+2120

Epsilon Arietis (ε Ari / ε Arietis) is a binary star[1] in the constellation Aries. It is approximately 293 light years from Earth[2].

The two brightest components, ε Arietis A and B, are both white A-type main sequence dwarfs with apparent magnitudes of 5.2 and 5.5 respectively[3]. They are separated by 1.5 arcseconds on the sky[4]. The combined apparent magnitude of the system is +4.63.

[edit] References

  1. ^ eSky: the electronic sky
  2. ^ eSky: the electronic sky
  3. ^ Clear Skies On Demand - an astronomy blog
  4. ^ Clear Skies On Demand - an astronomy blog


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