Alpha Telescopii
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| Observation data Equinox J2000.0 |
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|---|---|
| Constellation | Telescopium |
| Right ascension | 18h 26m 58.4s |
| Declination | −45° 58' 06" |
| Apparent magnitude (V) | +3.49 |
| Distance | 249 ± 14 ly (76 ± 4 pc) |
| Spectral type | B3IV |
| Other designations | |
Alpha Telescopii (α Tel / α Telescopii) is the brightest star in the constellation Telescopium.
Alpha Telescopii is a blue-white B-type subgiant with an apparent magnitude of +3.49. It is approximately 249 light years from Earth. The quality of the mensurations of its position converts it in advisable to use like reference in astrometrics applications and the data of the Tycho Catalog points out it as possible intrinsic variable, not still verified.
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