HR 830
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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aries |
| Right ascension | 02h 48m 45.9043s |
| Declination | +25° 11′ 17.029″ |
| Apparent magnitude (V) | 5.89 |
| Characteristics | |
| Spectral type | A0V[1] |
| U−B color index | -0.14[1] |
| B−V color index | -0.04[1] |
| Variable type | Alpha² CVn variable[2] |
| Astrometry | |
| Radial velocity (Rv) | 13.8[1] km/s |
| Proper motion (μ) | RA: 54.41 mas/yr Dec.: -3.69 mas/yr |
| Parallax (π) | 8.21 ± 0.65[1] mas |
| Distance | 400 ± 30 ly (122 ± 10 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
HR 830, also known as VZ Arietis, is an Alpha2 Canum Venaticorum variable star in the constellation Aries. Varying between magnitudes 5.82 and 5.89,[2] the star can be easily seen with the naked eye in dark, unpolluted areas. Located approximately 122 parsecs (400 ly) distant and with a spectral type of A0V,[1] the star is a blue-white star currently fusing hydrogen into helium in its core. The star was formerly known as 16 Trianguli, but as the star is no longer in the constellation Triangulum, this designation has fallen out of use.[3]
References
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