Gamma Reticuli, a red giant star in Reticulum
Gamma Reticuli is a red giant star in the constellation Reticulum. At 469 light years away, it shines at an apparent visual magnitude of 4.48.
Gamma Reticuli (HIP 18744)
Gamma Reticuli is a red giant star in the constellation Reticulum. At 469 light years away, it shines at an apparent visual magnitude of 4.48. It is moving through the Galaxy at a speed of 24.8 km/s relative to the Sun. Its projected Galactic orbit carries it between 24,100 and 39,200 light years from the center of the Galaxy.
Sky position: RA 4h 0.9m, Dec -62° 9.6'
Common designations: Gamma Reticuli, HIP 18744, HD 25705
Brightest stars in Reticulum:
(list all)
| Rank | Mag. | Star |
| 1 | 3.33 | Alpha Reticuli |
| 2 | 3.84 | Beta Reticuli |
| 3 | 4.44 | Epsilon Reticuli |
4
| 4.48
) Gamma Reticuli
| Rank | Mag. | Star |
| 5 | 4.56 | Delta Reticuli |
| 6 | 4.71 | Kappa Reticuli |
| 7 | 4.97 | Iota Reticuli |
| 8 | 5.24 | Zeta-2 Reticuli |
| 9 | 5.24 | Eta Reticuli |
| 10 | 5.45 | HR 1340 |
| 11 | 5.53 | Zeta-1 Reticuli |
| 12 | 5.74 | HR 1435 |
| 13 | 5.79 | HR 1475 |
| 14 | 5.81 | HR 1092 |
| 15 | 5.88 | Theta Reticuli |
| 16 | 5.94 | HR 1416 |
| 17 | 6.03 | HR 1014 |
Vistas of Many Worlds
A Journey Through Space and Time
Galactic Orbit of Gamma Reticuli
(compared to the Sun)
E
ccentricity: 23.9% vs. 16.0%Angle φ : -7.4°vs. 26.0°
Semi-major axis : 9,696 pc vs. 8,686 pc
Semi-minor axis: 9,416 pc vs. 8,574 pc
Focus-to-center
: 2,316 pcvs. 1,388 pcSemilatus rectum : 9,143 pc vs. 8,464 pc
Perigalacticon: 7,380 pc vs. 7,297 pc
Apogalacticon
: 12,012 pcvs. 10,074 pcSome Tabulated XHIP Data for Gamma Reticuli
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 60.22418673° ±0.11 mas | 3.01 ±0.11 mas/yr. |
| Declination: | -62.15936899° ±0.11 mas | 34.70 ±0.13 mas/yr. |
| Galactic Longitude: | 274.80524714° | -32.50 mas/yr. |
| Galactic Latitude: | -43.21410853° | -12.53 mas/yr. |
Parallax: 6.95 ± 0.11 mas
Spectrography
Spectral Type: M4III 1975MSS...C01....0H.
Radial Velocity: -7.00 ±2.70 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
n/a
Photometry
band
magnitude
Abs. Mag.
U
B
5.98
0.19
V
4.48
-1.31
R
I
2.28
-3.51
J
0.67
-5.12
H
-0.23
-6.02
K
-0.47
-6.26
B-V: +1.50 V-I: +2.20
Derivations
Heliocentric distance: 143.84 pc (1.6% margin of error)
Galactocentric distance: 7,392 pc
Transverse velocity: 23.8 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | 8.8 pc | -104.5 pc | -98.5 pc |
| Velocity (U, V, W) | -23.0 km/s | 9.1 km/s | -1.4 km/s |