Tau Andromedae
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| Observation data Epoch J2000.0 |
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|---|---|
| Constellation | Andromeda |
| Right ascension | 01h 40m 34.8s |
| Declination | +40° 34' 37" |
| Apparent magnitude (V) | +4.96 |
| Distance | 680 ± 110 ly (208 ± 34 pc) |
| Spectral type | B8III |
| Other designations | |
Tau Andromedae (τ And / τ Andromedae) is a binary star in the constellation Andromeda. It is approximately 681 light years from Earth.
The primary component, τ Andromedae A, is a blue-white B-type giant with an apparent magnitude of +4.96. The companion, τ Andromedae B, is a 12th magnitude star, 52.3 arcseconds distant.
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