HD 17471
From Wikipedia, the free encyclopedia
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aries |
Right ascension | 02h 48m 45.9043s |
Declination | +25° 11′ 17.029″ |
Apparent magnitude (V) | 5.893 |
Characteristics | |
Spectral type | A0V |
U−B color index | -0.08 |
B−V color index | -0.07 |
Variable type | Alpha² CVn variable |
Astrometry | |
Radial velocity (Rv) | 13.8 km/s |
Proper motion (μ) | RA: 54.17 mas/yr Dec.: -3.92 mas/yr |
Parallax (π) | 7.08 ± 0.88 mas |
Distance | approx. 460 ly (approx. 140 pc) |
Absolute magnitude (MV) | 5.859 |
Details | |
Mass | 3.1 M☉ |
Radius | 2.1 R☉ |
Luminosity | 40 L☉ |
Temperature | 7,500–10,000 K |
Rotational velocity (v sin i) | 60 km/s |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 17471 or VZ Arietis is a variable star of Alpha2 Canum Venaticorum type.
VZ Arietis was a latter designation of 16 Trianguli.[1]
References
- ↑ Wagman, M. (August 1987). "Flamsteed's Missing Stars". Journal for the History of Astronomy, Vol.18, NO. 3/AUG, P.209, 1987 18: 222. Bibcode:1987JHA....18..209W.
|
This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.