Delta Reticuli, a red giant star in Reticulum
Delta Reticuli is a red giant star in the constellation Reticulum. At 525 light years away, it shines at an apparent visual magnitude of 4.56.
Delta Reticuli (HIP 18597)
Delta Reticuli is a red giant star in the constellation Reticulum. At 525 light years away, it shines at an apparent visual magnitude of 4.56. It is moving through the Galaxy at a speed of 13.3 km/s relative to the Sun. Its projected Galactic orbit carries it between 22,700 and 30,400 light years from the center of the Galaxy.
Sky position: RA 3h 58.7m, Dec -61° 24'
Common designations: Delta Reticuli, HIP 18597, HD 25422
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
| Rank | Mag. | Star |
| 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 Delta Reticuli
(compared to the Sun)
E
ccentricity: 14.4% vs. 16.0%Angle φ : 56.6°vs. 26.0°
Semi-major axis : 8,149 pc vs. 8,686 pc
Semi-minor axis: 8,064 pc vs. 8,574 pc
Focus-to-center
: 1,175 pcvs. 1,388 pcSemilatus rectum : 7,980 pc vs. 8,464 pc
Perigalacticon: 6,974 pc vs. 7,297 pc
Apogalacticon
: 9,324 pcvs. 10,074 pcSome Tabulated XHIP Data for Delta Reticuli
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 59.68640628° ±0.24 mas | 9.79 ±0.21 mas/yr. |
| Declination: | -61.40015061° ±0.23 mas | -14.24 ±0.23 mas/yr. |
| Galactic Longitude: | 274.01853193° | 8.51 mas/yr. |
| Galactic Latitude: | -43.77568536° | 15.04 mas/yr. |
Parallax: 6.20 ± 0.25 mas
Spectrography
Spectral Type: M1.5III 1989ApJS...71..245K.
Radial Velocity: -1.40 ±2.80 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
n/a
Photometry
band
magnitude
Abs. Mag.
U
B
6.15
0.12
V
4.56
-1.47
R
I
2.90
-3.14
J
1.58
-4.46
H
0.73
-5.31
K
0.54
-5.49
B-V: +1.59 V-I: +1.66
Derivations
Heliocentric distance: 160.98 pc (4.0% margin of error)
Galactocentric distance: 7,393 pc
Transverse velocity: 13.2 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | 8.1 pc | -115.9 pc | -111.4 pc |
| Velocity (U, V, W) | 7.0 km/s | -6.5 km/s | 9.3 km/s |