Nu Orionis, a blue main-sequence star in Orion
Nu Orionis is a blue main-sequence star in the constellation Orion. At 514 light years away, it shines at an apparent visual magnitude of 4.42.
Nu Orionis (HIP 29038)
Nu Orionis is a blue main-sequence star in the constellation Orion. At 514 light years away, it shines at an apparent visual magnitude of 4.42. Nu Orionis is a component of a multiple-star system. The iron abundance of Nu Orionis is -0.05 (89.1% of the Sun). It is moving through the Galaxy at a speed of 29.1 km/s relative to the Sun.
Sky position: RA 6h 7.6m, Dec +14° 46.2'
Common designations: Nu Orionis, 67 Orionis, HIP 29038, HD 41753
Moon Calendar Poster
Outstanding Lunar Images
Brightest stars in Orion:
(list all)
| Rank | Mag. | Star |
| 15 | 3.77 | Sigma Orionis |
| 16 | 4.06 | Omicron-2 Orionis |
| 17 | 4.09 | Phi-2 Orionis |
| 18 | 4.12 | Mu Orionis |
| 19 | 4.13 | 29 Orionis |
| 20 | 4.20 | A Orionis |
| 21 | 4.35 | Pi-2 Orionis |
| 22 | 4.39 | Phi-1 Orionis |
| 23 | 4.39 | Chi-1 Orionis |
24
| 4.42
) Nu Orionis
| Rank | Mag. | Star |
| 25 | 4.45 | Xi Orionis |
| 26 | 4.46 | Rho Orionis |
| 27 | 4.47 | Pi-6 Orionis |
| 28 | 4.50 | Omega Orionis |
| 29 | 4.53 | HR 2113 |
| 30 | 4.58 | 42 Orionis |
| 31 | 4.59 | Psi Orionis |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of Nu Orionis
(compared to the Sun)
E
ccentricity: 4.9% vs. 16.0%Angle φ : -156.8°vs. 26.0°
Semi-major axis : 7,227 pc vs. 8,686 pc
Semi-minor axis: 7,218 pc vs. 8,574 pc
Focus-to-center
: 357 pcvs. 1,388 pcSemilatus rectum : 7,209 pc vs. 8,464 pc
Perigalacticon: 6,870 pc vs. 7,297 pc
Apogalacticon
: 7,584 pcvs. 10,074 pcSome Tabulated XHIP Data for Nu Orionis
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 91.89300744° ±0.30 mas | 5.90 ±0.30 mas/yr. |
| Declination: | 14.76852309° ±0.17 mas | -21.00 ±0.30 mas/yr. |
| Galactic Longitude: | 194.80639198° | 21.23 mas/yr. |
| Galactic Latitude: | -2.72121422° | -5.02 mas/yr. |
Parallax: 6.32 ± 0.33 mas
Spectrography
Spectral Type: B4V 2009A&A...501..297Z.
Radial Velocity:
24.10 ±2.70 km/s [D rating]
2006AstL...32..759G.
This star is a spectroscopic binary with an unsolved orbit.
Iron Abundance [Fe/H]:
-0.05 dex
1992ApJ...387..673G.
Photometry
| band | magnitude | Abs. Mag. |
| U | 3.60 | -2.39 |
| B | 4.26 | -1.73 |
| V | 4.42 | -1.57 |
| R | ||
| I | 4.56 | -1.43 |
| J | 5.00 | -0.99 |
| H | 4.82 | -1.17 |
| K | 4.85 | -1.14 |
B-V: -0.16 V-I: -0.14
Derivations
Heliocentric distance: 157.71 pc (5.2% margin of error)
Galactocentric distance: 7,552 pc
Transverse velocity: 16.3 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | -152.3 pc | -40.3 pc | -7.5 pc |
| Velocity (U, V, W) | -19.0 km/s | -21.5 km/s | -4.9 km/s |