HD 128333
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 34m 39.62086s[1] |
| Declination | +49° 22′ 06.0731″[1] |
| Apparent magnitude (V) | 5.74[2] |
| Characteristics | |
| Spectral type | M1III[3] |
| U−B color index | +1.88[2] |
| B−V color index | +1.56[2] |
| R−I color index | 0.72 |
| Variable type | Irregular[4] |
| Astrometry | |
| Radial velocity (Rv) | -23.93[5] km/s |
| Proper motion (μ) | RA: -45.50[1] mas/yr Dec.: 50.15[1] mas/yr |
| Parallax (π) | 3.81 ± 0.26[1] mas |
| Distance | 860 ± 60 ly (260 ± 20 pc) |
| Details | |
| Luminosity | 917[6] L☉ |
| Temperature | 3,945[6] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 128333 or CH Boötis is an irregular variable star in the northern constellation of Boötes. It is currently on the asymptotic giant branch of the HR diagram.[3]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
External links
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