13 Orionis, a yellow star in Orion
13 Orionis is a yellow star in the constellation Orion. It lies about 90 light years away.
13 Orionis (HIP 23852)
13 Orionis is a yellow star in the constellation Orion. It lies about 90 light years away. It is moving through the Galaxy at a speed of 54.7 km/s relative to the Sun.
Sky position: RA 5h 7.6m, Dec +9° 28.3'
Common designations: 13 Orionis, HR 1662, HD 33021, GJ 3334, HIP 23852, Gaia DR3 3290765291786058496
13 Orionis has the spectral type G3. G-type stars are yellow stars of about 5,300 to 6,000 K, the same class as the Sun. Their spectra show strong lines of ionized calcium and many metals.
How to find 13 Orionis in the sky
13 Orionis lies in Orion. With a declination of +9° 28.3', it is visible from the entire Northern Hemisphere and from the Southern Hemisphere down to about latitude 81° S. It is highest in the sky at local midnight around January, which makes the weeks around that month the best time to observe it.
Tabulated data for 13 Orionis
Astrometry and spectroscopy
| Right Ascension (J2000) | 76.90963884° (5h 7.6m) |
| Declination (J2000) | 9.47178045° (+9° 28.3') |
| Galactic Longitude | 191.77371818° |
| Galactic Latitude | -18.00486352° |
| Proper motion RA | -5.18 mas/yr |
| Proper motion Dec | -381.92 mas/yr |
| Parallax | 36.25 ± 0.06 mas |
| Spectral Type | G3 |
| Radial Velocity | -22.28 km/s |
Photometry
| Band | Magnitude | Abs. Mag. |
|---|---|---|
| B | 6.79 | 4.59 |
| R | 5.80 | 3.60 |
| J | 4.99 | 2.79 |
| H | 4.75 | 2.54 |
| K | 4.61 | 2.40 |
Derivations
- Heliocentric distance: 27.59 pc (90 light years) (0.2% margin of error)
- Transverse velocity: 50.0 km/s
- Space velocity relative to the Sun: 54.7 km/s
- Galactic position (X, Y, Z): -25.7 pc, -5.4 pc, -8.5 pc
- Galactic velocity (U, V, W): 37.6 km/s, -34.7 km/s, -19.3 km/s
Data: Extended Hipparcos Compilation (XHIP) and SIMBAD.