Gliese 146, an orange dwarf star in Horologium

Gliese 146 (HIP 16711)

Gliese 146 is an orange dwarf star in the constellation Horologium. At 44 light years away, it shines at an apparent visual magnitude of 8.57. It is moving through the Galaxy at a speed of 38.1 km/s relative to the Sun. Its projected Galactic orbit carries it between 20,800 and 25,400 light years from the center of the Galaxy.

Sky position: RA 3h 35.0m, Dec -48° 25.2'

Common designations: HIP 16711, HD 22496, Gliese 146

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Galactic Orbit of Gliese 146
(compared to the Sun)

E

ccentricity: 9.9% vs. 16.0%

Angle φ : -121.8°vs. 26.0°

Semi-major axis : 7,086 pc vs. 8,686 pc

Semi-minor axis: 7,051 pc vs. 8,574 pc

Focus-to-center

: 699 pcvs. 1,388 pc

Semilatus rectum : 7,017 pc vs. 8,464 pc

Perigalacticon: 6,387 pc vs. 7,297 pc

Apogalacticon

: 7,785 pcvs. 10,074 pc
  Some Tabulated XHIP Data for Gliese 146
(see also: SIMBAD)

Astrometry
2007A&A...474..653V

Position	Proper Motion
Right Ascension:	53.75243433° ±0.60 mas	404.61 ±0.61 mas/yr.
Declination:	-48.41988910° ±0.55 mas	308.43 ±0.58 mas/yr.
Galactic Longitude:	258.09674420°	-423.36 mas/yr.
Galactic Latitude:	-51.96042511°	282.15 mas/yr.

Parallax: 73.49 ± 0.71 mas

Spectrography

Spectral Type: K6.5V (k) 2006AJ....132..161G.

Radial Velocity: 19.40 ±3.10 km/s [A rating] 2006AstL...32..759G.

Iron Abundance [Fe/H]: n/a

Photometry
 

band	magnitude	Abs. Mag.
U
B	9.88	9.21
V	8.57	7.90
R
I	7.21	6.54
J	6.12	5.45
H	5.49	4.82
K	5.34	4.67

B-V: +1.31 V-I: +1.36

Derivations

Heliocentric distance: 13.61 pc (1.0% margin of error)

Galactocentric distance: 7,402 pc

Transverse velocity: 32.8 km/s

3D heliocentric position and motion:

toward:	Galactic center	Galactic rotation	North Galactic Pole
Position ( X, Y, Z)	-1.7 pc	-8.2 pc	-10.7 pc
Velocity (U, V, W)	-32.1 km/s	-20.1 km/s	-4.1 km/s