N Scorpii, a blue giant star in Scorpius
N Scorpii is a blue giant star in the constellation Scorpius. At 554 light years away, it shines at an apparent visual magnitude of 4.24.
N Scorpii (HIP 80911)
N Scorpii is a blue giant star in the constellation Scorpius. At 554 light years away, it shines at an apparent visual magnitude of 4.24. It is moving through the Galaxy at a speed of 17.6 km/s relative to the Sun. Its projected Galactic orbit carries it between 21,000 and 24,200 light years from the center of the Galaxy.
Sky position: RA 16h 31.4m, Dec -34° 42'
Common designations: N Scorpii, HIP 80911, HD 148703, HR 6143
Brightest stars in Scorpius:
(list all)
| Rank | Mag. | Star |
| 13 | 3.00 | Mu-1 Scorpii |
| 14 | 3.19 | G Scorpii |
| 15 | 3.32 | Eta Scorpii |
| 16 | 3.56 | Mu-2 Scorpii |
| 17 | 3.62 | Grafias |
| 18 | 3.87 | Rho Scorpii |
| 19 | 3.93 | Omega-1 Scorpii |
| 20 | 4.00 | Jabbah |
| 21 | 4.18 | H Scorpii |
22
| 4.24
) N Scorpii
| Rank | Mag. | Star |
| 23 | 4.26 | Q Scorpii |
| 24 | 4.31 | Omega-2 Scorpii |
| 25 | 4.55 | Omicron Scorpii |
| 26 | 4.58 | 13 Scorpii |
| 27 | 4.59 | A Scorpii |
| 28 | 4.63 | 1 Scorpii |
| 29 | 4.70 | Grafias |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of N Scorpii
(compared to the Sun)
E
ccentricity: 7.2% vs. 16.0%Angle φ : 130.0°vs. 26.0°
Semi-major axis : 6,940 pc vs. 8,686 pc
Semi-minor axis: 6,922 pc vs. 8,574 pc
Focus-to-center
: 496 pcvs. 1,388 pcSemilatus rectum : 6,905 pc vs. 8,464 pc
Perigalacticon: 6,444 pc vs. 7,297 pc
Apogalacticon
: 7,437 pcvs. 10,074 pcSome Tabulated XHIP Data for N Scorpii
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 247.84558980° ±0.18 mas | -11.95 ±0.19 mas/yr. |
| Declination: | -34.70432103° ±0.09 mas | -18.21 ±0.13 mas/yr. |
| Galactic Longitude: | 345.94153726° | -21.50 mas/yr. |
| Galactic Latitude: | 9.21837929° | -3.45 mas/yr. |
Parallax: 5.88 ± 0.19 mas
Spectrography
Spectral Type: B2 III-IV 1982MSS...C03....0H.
Radial Velocity: 0.80 ±1.50 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
n/a
Photometry
band
magnitude
Abs. Mag.
U
3.25
-2.90
B
4.07
-2.08
V
4.24
-1.91
R
I
4.38
-1.77
J
4.74
-1.41
H
4.72
-1.43
K
4.69
-1.46
B-V: -0.17 V-I: -0.14
Derivations
Heliocentric distance: 169.86 pc (3.2% margin of error)
Galactocentric distance: 7,238 pc
Transverse velocity: 17.5 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | 162.6 pc | -40.7 pc | 27.2 pc |
| Velocity (U, V, W) | -3.0 km/s | -17.1 km/s | -2.6 km/s |