Beta Serpentis
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Serpens |
| Right ascension | 15h 46m 11.3s |
| Declination | +15° 25' 19" |
| Apparent magnitude (V) | +3.65 |
| Distance | 153 ± 6 ly (47 ± 2 pc) |
| Spectral type | A3V |
| Other designations | |
Beta Serpentis (β Ser / β Serpentis) is a star system in the constellation Serpens, in its head (Serpens Caput). It also has the traditional name Chow, from the Mandarin 周, zhōu, referring to the Zhou Dynasty. Beta Serpentis is approximately 153 light years from Earth and is a member of the Ursa Major Moving Group.
The primary component, Beta Serpentis A, is a white A-type main sequence dwarf with an apparent magnitude of +3.65. It has two companions, the magnitude +9.9 B, 31 arcseconds distant, and the magnitude +10.7 C, 201 arcseconds away.
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