HD 16955
HD 16955 | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aries |
| Right ascension | 02h 43m 51.2441s |
| Declination | +25° 38′ 18.0493″ |
| Apparent magnitude (V) | 6.36 |
| Characteristics | |
| Spectral type | A3V |
| Astrometry | |
| Radial velocity (Rv) | -10.30 ± 3.1 km/s |
| Proper motion (μ) | RA: -4.98 ± 0.70[1] mas/yr Dec.: 6.04 ± 0.52[1] mas/yr |
| Parallax (π) | 9.59 ± 0.76[1] mas |
| Distance | 340 ± 30 ly (104 ± 8 pc) |
| Details | |
| Mass | 3,1 M☉ |
| Radius | 2,1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
| Database references | |
| SIMBAD | data |
HD 16955, also known as HR 803, is a double or multiple star.
References
- 1 2 3 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
|---|---|---|---|---|---|
| ADS 2082 C (BD+25 441C) | 02h 43m 54.8s | +25° 38' 16 | 12.1 | Simbad |
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