Theta Ophiuchi
From Wikipedia, the free encyclopedia
| Observation data Equinox J2000.0 |
|
|---|---|
| Constellation | Ophiuchus |
| Right ascension | 17h 22m 00.58s |
| Declination | -24° 59' 58.2" |
| Apparent magnitude (V) | +3.27 |
| Absolute magnitude (V) | -2.92 |
| Distance | 563 ly (172.70 pc) |
| Spectral type | B2IV |
| Other designations | |
Theta Ophiuchi (θ Oph / θ Ophiuchi) is a Class B2, third-magnitude star in the constellation Ophiuchus. It sometimes called by the Arabic name Imad, meaning "pillar", perhaps referring to one of the pillars upon which the Snake Charmer الحواء Al Hawwa is standing, or it may refer to the Pillar of Moral and Spiritual Fortitude portrayed within southern Ophiuchus and part of Scorpius by the ancient Arabs. Another name is Kaki for "lower leg" or "foot".
Theta Ophiuchi is a variable star of the Beta Cephei type, located about 565 light-years from Earth.
[edit] References
- HD 157056 -- Variable Star. SIMBAD Astronomical Database. Retrieved on 2007-01-21.
