Astronomy:HR 2096
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Short description: Star in the constellation Auriga
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Auriga |
| Right ascension | 06h 00m 18.8991s |
| Declination | +44° 35′ 31.246″ |
| Apparent magnitude (V) | 6.233 |
| Characteristics | |
| Spectral type | K2III+K0III |
| Astrometry | |
| Radial velocity (Rv) | 1.7 km/s |
| Proper motion (μ) | RA: -31.17 mas/yr Dec.: -38.71 mas/yr |
| Parallax (π) | 8.94 ± 0.82 mas |
| Distance | 360 ± 30 ly (110 ± 10 pc) |
| Absolute magnitude (MV) | 7.388 |
| Details | |
| Mass | 0.8 M☉ |
| Radius | 0.9 R☉ |
| Luminosity | 0.4 L☉ |
| Temperature | 3,500–5,000 K |
| Other designations | |
HIP 28438, HD 40325, SAO 40769, BD+44° 1332. | |
| Database references | |
| SIMBAD | data |
HR 2096, also known as HD 40325 is a double star in the constellation Auriga. It is composed of two ageing orange giants of spectral types K0III and K2III.[1] It is not a member of any known moving group of stars.[2]
References
- ↑ Stephenson, C. B. (1960). "A study of visual binaries having primaries above the main sequence". Astronomical Journal 65: 60–79. doi:10.1086/108191. Bibcode: 1960AJ.....65...60S.
- ↑ Famaey, B.; Jorissen, A.; Luri, X.; Mayor, M.; Udry, S.; Dejonghe, H.; Turon, C. (2005). "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters". Astronomy and Astrophysics 430: 165–186. doi:10.1051/0004-6361:20041272. Bibcode: 2005A&A...430..165F.
Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
|---|---|---|---|---|---|
| ADS 4576 C | 06h 00m 17.5327s | +44° 36' 03.07 | 10.2 | Simbad |
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