Delta Aquarii
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Star Skat (δ Aquarii) |
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Aquarius | ||||||||||||||||||
| Right ascension | 22 h 54 m 39 s | ||||||||||||||||||
| declination | -15 ° 49 ′ 15 ″ | ||||||||||||||||||
| Apparent brightness | 3.27 mag | ||||||||||||||||||
| Typing | |||||||||||||||||||
| Spectral class | A3 V | ||||||||||||||||||
| Astrometry | |||||||||||||||||||
| parallax | (20.4 ± 2.3) mas | ||||||||||||||||||
| distance | (160 ± 18) ly (49 ± 5) pc |
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| Physical Properties | |||||||||||||||||||
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Other names and catalog entries |
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Skat ( Bayer designation : Delta Aquarii , abbreviated δ Aqr ) is a main-sequence star in the constellation Aquarius , which is about 160 light-years from the sun away. It belongs to the spectral class A3V and has an apparent magnitude of 3.27 mag.
The clearly visible star belongs to the so-called bear current , a loose cluster of about 150 stars distributed over half the sky, the brightest of which form the Big Dipper constellation . Our sun is on the edge of this group, but is moving in a different direction.
The radiant of a swarm of falling stars , the July or Delta aquariids, that appear every summer is located near it .
The IAU has the historical proper names previously used on August 21, 2016 Skat defined as standardized proper name for this star. The star sometimes bears the historical proper name Scheat , but this name is mostly used for the star Beta Pegasi .
Individual evidence
- ↑ a b c Hipparcos catalog (ESA 1997)
- ↑ Bulletin of the IAU Working Group on Star Names, No. 2, October 2016. (PDF; 151 KiB) Retrieved on November 11, 2016 (English).