Theta-1 Orionis C, a blue main-sequence star in Orion
Theta-1 Orionis C is a blue main-sequence star in the constellation Orion. It shines at an apparent visual magnitude of 5.13.
Theta-1 Orionis C (HIP 26221)
Theta-1 Orionis C is a blue main-sequence star in the constellation Orion. It shines at an apparent visual magnitude of 5.13. Theta-1 Orionis C is a component of a multiple-star system.
Sky position: RA 5h 35.3m, Dec -5° 23.4'
Common designations: Theta-1 Orionis, 41 Orionis, HIP 26221, HD 37022, HR 1895
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Brightest stars in Orion:
(list all)
| Rank | Mag. | Star |
| 44 | 4.90 | 51 Orionis |
| 45 | 4.91 | Lalande 12104 |
| 46 | 4.95 | HR 1952 |
| 47 | 4.95 | 69 Orionis |
| 48 | 4.98 | Theta-1 Orionis |
| 49 | 4.98 | Theta-2 Orionis |
| 50 | 4.99 | 23 Orionis |
| 51 | 5.04 | 74 Orionis |
| 52 | 5.07 | 27 Orionis |
53
| 5.13
) Theta-1 Orionis C
| Rank | Mag. | Star |
| 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 |
Hover over other bright stars to identify or click to jump.
Some Tabulated XHIP Data for Theta-1 Orionis C
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 83.81860863° ±1.94 mas | -3.60 ±3.30 mas/yr. |
| Declination: | -5.38969624° ±1.41 mas | -33.10 ±3.40 mas/yr. |
| Galactic Longitude: | 209.01074396° | 27.89 mas/yr. |
| Galactic Latitude: | -19.38404872° | -18.18 mas/yr. |
Parallax: -1.85 ± 2.12 mas
Spectrography
Spectral Type: O6.5V 1982A&A...107..252B.
Radial Velocity: 28.00 ±3.70 km/s [B rating] 2007AN....328..889K.
Iron Abundance [Fe/H]:
n/a
Photometry
band
magnitude
Abs. Mag.
U
4.18
B
5.15
V
5.13
R
I
5.14
J
H
K
B-V: +0.02 V-I: -0.01