45 Draconis
From Infogalactic: the planetary knowledge core
 Location of 45 Dra (circled) |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Draco |
| Right ascension | 18h 32m 34.52235s[1] |
| Declination | +57° 02′ 44.1531″[1] |
| Apparent magnitude (V) | 4.78[2] |
| Characteristics | |
| Spectral type | F7Ib[3] |
| B−V color index | +0.59[2] |
| Astrometry | |
| Radial velocity (Rv) | −12.50[4] km/s |
| Proper motion (μ) | RA: 0.08[1] mas/yr Dec.: −7.45[1] mas/yr |
| Parallax (π) | 1.54 ± 0.18[1] mas |
| Distance | approx. 2,100 ly (approx. 650 pc) |
| Absolute magnitude (MV) | −3.5[5] |
| Details | |
| Mass | 8.2[3] M☉ |
| Radius | 62[6] R☉ |
| Luminosity | 5,450[7] L☉ |
| Surface gravity (log g) | 2.1[3] - 2.4[5] cgs |
| Temperature | 6,151[5] K |
| Metallicity [Fe/H] | −0.04[5] dex |
| Rotational velocity (v sin i) | 10[3] km/s |
| Age | 33[8] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
45 Draconis (d Dra) is a yellow supergiant star in the constellation Draco.
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.
- ↑ 3.0 3.1 3.2 3.3 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 5.2 5.3 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.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
<templatestyles src="Asbox/styles.css"></templatestyles>
 |
This supergiant-related article is a stub. You can help Wikipedia by expanding it. |
