HD 157753
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Ara |
| Right ascension | 17h 27m 57.60196s[1] |
| Declination | −52° 17′ 49.8161″[1] |
| Apparent magnitude (V) | 5.75[2] |
| Characteristics | |
| Spectral type | K2III[3] |
| B−V color index | +1.17[2] |
| Astrometry | |
| Radial velocity (Rv) | −8.70[4] km/s |
| Proper motion (μ) | RA: −14.50[1] mas/yr Dec.: −58.43[1] mas/yr |
| Parallax (π) | 9.12 ± 0.53[1] mas |
| Distance | 360 ± 20 ly (110 ± 6 pc) |
| Details | |
| Luminosity | 81[5] L☉ |
| Temperature | 4,564[5] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 157753 is giant star in the southern constellation of Ara. It may be an astrometric binary,[6] and it has a faint, magnitude 13 companion at an angular separation of 31.5″ along a position angle of 356° (as of 2000).[7]
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 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.
- ↑ 5.0 5.1 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.
External links
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