38 Orionis, a white main-sequence star in Orion
38 Orionis is a white main-sequence star in the constellation Orion. At 275 light years away, it shines at an apparent visual magnitude of 5.32.
38 Orionis (HIP 26126)
38 Orionis is a white main-sequence star in the constellation Orion. At 275 light years away, it shines at an apparent visual magnitude of 5.32. 38 Orionis is a multiple-star system. It is moving through the Galaxy at a speed of 13.1 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,700 and 35,700 light years from the center of the Galaxy.
Sky position: RA 5h 34.3m, Dec +3° 46.2'
Common designations: n-2 Orionis, 38 Orionis, HIP 26126, HD 36777
Brightest stars in Orion:
(list all)
| Rank | Mag. | Star |
| 52 | 5.07 | 27 Orionis |
| 53 | 5.13 | Theta-1 Orionis C |
| 54 | 5.14 | 64 Orionis |
| 55 | 5.18 | 6 Orionis |
| 56 | 5.18 | HR 1684 |
| 57 | 5.20 | 71 Orionis |
| 58 | 5.21 | 60 Orionis |
| 59 | 5.24 | 45 Orionis |
| 60 | 5.26 | 52 Orionis |
61
| 5.32
) 38 Orionis
| Rank | Mag. | Star |
| 62 | 5.33 | 5 Orionis |
| 63 | 5.33 | HR 1571 |
| 64 | 5.33 | 14 Orionis |
| 65 | 5.34 | 21 Orionis |
| 66 | 5.34 | HR 1861 |
| 67 | 5.34 | 72 Orionis |
| 68 | 5.35 | HR 1519 |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of 38 Orionis
(compared to the Sun)
E
ccentricity: 20.3% vs. 16.0%Angle φ : 33.6°vs. 26.0°
Semi-major axis : 9,114 pc vs. 8,686 pc
Semi-minor axis: 8,925 pc vs. 8,574 pc
Focus-to-center
: 1,848 pcvs. 1,388 pcSemilatus rectum : 8,739 pc vs. 8,464 pc
Perigalacticon: 7,266 pc vs. 7,297 pc
Apogalacticon
: 10,962 pcvs. 10,074 pcSome Tabulated XHIP Data for 38 Orionis
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 83.56995909° ±0.58 mas | -25.70 ±0.80 mas/yr. |
| Declination: | 3.76693362° ±0.28 mas | -17.70 ±0.80 mas/yr. |
| Galactic Longitude: | 200.43316244° | 2.78 mas/yr. |
| Galactic Latitude: | -15.27236708° | -31.08 mas/yr. |
Parallax: 11.82 ± 0.63 mas
Spectrography
Spectral Type: A1 V 1999MSS...C05....0H.
Radial Velocity: -4.00 ±10.00 km/s [B rating] 2007AN....328..889K.
Iron Abundance [Fe/H]:
n/a
Photometry
band
magnitude
Abs. Mag.
U
B
5.37
0.74
V
5.32
0.69
R
I
5.25
0.62
J
5.18
0.55
H
5.16
0.53
K
5.08
0.45
B-V: +0.05 V-I: +0.07
Derivations
Heliocentric distance: 84.31 pc (5.3% margin of error)
Galactocentric distance: 7,476 pc
Transverse velocity: 12.5 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | -76.2 pc | -28.4 pc | -22.2 pc |
| Velocity (U, V, W) | 7.1 km/s | 1.4 km/s | -10.9 km/s |