Eta Reticuli, a yellow giant star in Reticulum
Eta Reticuli is a yellow giant star in the constellation Reticulum. At 384 light years away, it shines at an apparent visual magnitude of 5.24.
Eta Reticuli (HIP 20384)
Eta Reticuli is a yellow giant star in the constellation Reticulum. At 384 light years away, it shines at an apparent visual magnitude of 5.24. It is moving through the Galaxy at a speed of 117.6 km/s relative to the Sun. Its projected Galactic orbit carries it between 11,700 and 31,600 light years from the center of the Galaxy.
Sky position: RA 4h 21.9m, Dec -63° 23.4'
Common designations: Eta Reticuli, HIP 20384, HD 28093
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 |
| 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
| Rank | Mag. | Star |
| 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 Eta Reticuli
(compared to the Sun)
E
ccentricity: 45.8% vs. 16.0%Angle φ : -129.3°vs. 26.0°
Semi-major axis : 6,643 pc vs. 8,686 pc
Semi-minor axis: 5,906 pc vs. 8,574 pc
Focus-to-center
: 3,042 pcvs. 1,388 pcSemilatus rectum : 5,250 pc vs. 8,464 pc
Perigalacticon: 3,601 pc vs. 7,297 pc
Apogalacticon
: 9,685 pcvs. 10,074 pcSome Tabulated XHIP Data for Eta Reticuli
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 65.47173218° ±0.16 mas | 85.54 ±0.14 mas/yr. |
| Declination: | -63.38681532° ±0.18 mas | 174.62 ±0.19 mas/yr. |
| Galactic Longitude: | 275.01192763° | -193.83 mas/yr. |
| Galactic Latitude: | -40.52318849° | 15.51 mas/yr. |
Parallax: 8.48 ± 0.18 mas
Spectrography
Spectral Type: G8III 1975MSS...C01....0H.
Radial Velocity: 45.00 ±0.80 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
n/a
Photometry
band
magnitude
Abs. Mag.
U
B
6.20
0.84
V
5.24
-0.12
R
I
4.43
-0.93
J
3.87
-1.48
H
3.27
-2.09
K
3.16
-2.20
B-V: +0.96 V-I: +0.81
Derivations
Heliocentric distance: 117.86 pc (2.1% margin of error)
Galactocentric distance: 7,393 pc
Transverse velocity: 108.6 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | 7.8 pc | -89.2 pc | -76.6 pc |
| Velocity (U, V, W) | -104.4 km/s | -49.1 km/s | -22.7 km/s |