9 Equulei
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Equuleus |
| Right ascension | 21h 21m 04.54s |
| Declination | 07° 21′ 16.4″ |
| Apparent magnitude (V) | 5.81 |
| Characteristics | |
| Spectral type | M2IIIa[1] |
| B−V color index | 1.66 |
| Astrometry | |
| Radial velocity (Rv) | -22.35 ± 0.25[1] km/s |
| Proper motion (μ) | RA: 42.79 ± 0.47[1] mas/yr Dec.: -17.12 ± 0.22[1] mas/yr |
| Parallax (π) | 4.98 ± 0.41[1] mas |
| Distance | 1058[2] ly (324.3 pc) |
| Absolute magnitude (MV) | −1.75 |
| Details | |
| Mass | 1.2 M☉ |
| Radius | approx 110 R☉ |
| Luminosity | 1300 L☉ |
| Temperature | 3300 K |
| Other designations | |
HIP105413, HD203291, HR8163 | |
9 Equulei is a M-type star in the constellation Equuleus. This star moves through the Milky Way at a speed relative to the Sun.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "9 Equulei, a red giant star in Equuleus", Ashland Astronomy Studio, retrieved 2012-08-19
- ↑ "HIP 105413", WolframAlpha, retrieved 2012-08-19
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