Gamma Pyxidis, an orange giant star in Pyxis
Gamma Pyxidis is an orange giant star in the constellation Pyxis. At 207 light years away, it shines at an apparent visual magnitude of 4.02.
Gamma Pyxidis (HIP 43409)
Gamma Pyxidis is an orange giant star in the constellation Pyxis. At 207 light years away, it shines at an apparent visual magnitude of 4.02. The iron abundance of Gamma Pyxidis is -0.03 (93.3% of the Sun). It is moving through the Galaxy at a speed of 54.2 km/s relative to the Sun. Its projected Galactic orbit carries it between 21,300 and 30,700 light years from the center of the Galaxy.
Sky position: RA 8h 50.5m, Dec -27° 42.6'
Common designations: Gamma Pyxidis, HIP 43409, HD 75691
Brightest stars in Pyxis:
(list all)
| Rank | Mag. | Star |
| 1 | 3.68 | Alpha Pyxidis |
| 2 | 3.97 | Beta Pyxidis |
3
| 4.02
) Gamma Pyxidis
| Rank | Mag. | Star |
| 4 | 4.62 | Kappa Pyxidis |
| 5 | 4.71 | Theta Pyxidis |
| 6 | 4.71 | Lambda Pyxidis |
| 7 | 4.86 | Zeta Pyxidis |
| 8 | 4.87 | Delta Pyxidis |
| 9 | 5.05 | HD 73752 |
| 10 | 5.19 | HR 3512 |
| 11 | 5.24 | Eta Pyxidis |
| 12 | 5.42 | HD 72310 |
| 13 | 5.59 | Epsilon Pyxidis |
| 14 | 5.61 | HR 3362 |
| 15 | 5.74 | HR 3479 |
| 16 | 5.75 | HD 71801 |
| 17 | 5.86 | HR 3513 |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of Gamma Pyxidis
(compared to the Sun)
E
ccentricity: 18.1% vs. 16.0%Angle φ : -77.5°vs. 26.0°
Semi-major axis : 7,974 pc vs. 8,686 pc
Semi-minor axis: 7,842 pc vs. 8,574 pc
Focus-to-center
: 1,445 pcvs. 1,388 pcSemilatus rectum : 7,712 pc vs. 8,464 pc
Perigalacticon: 6,529 pc vs. 7,297 pc
Apogalacticon
: 9,418 pcvs. 10,074 pcSome Tabulated XHIP Data for Gamma Pyxidis
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 132.63338050° ±0.11 mas | -134.27 ±0.12 mas/yr. |
| Declination: | -27.71005865° ±0.12 mas | 87.89 ±0.12 mas/yr. |
| Galactic Longitude: | 251.57127228° | -152.16 mas/yr. |
| Galactic Latitude: | 10.32500025° | -51.01 mas/yr. |
Parallax: 15.73 ± 0.17 mas
Spectrography
Spectral Type: K2.5III 1989ApJS...71..245K.
Radial Velocity: 24.50 ±0.70 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
-0.03 ±0.04 dex
2007A&A...475.1003H, 1998A&A...338..623M, 1990ApJS...74.1075M.
Photometry
| band | magnitude | Abs. Mag. |
| U | ||
| B | 5.29 | 1.28 |
| V | 4.02 | 0.00 |
| R | ||
| I | 2.92 | -1.09 |
| J | 1.91 | -2.10 |
| H | 1.27 | -2.75 |
| K | 1.14 | -2.88 |
B-V: +1.27 V-I: +1.10
Derivations
Heliocentric distance: 63.56 pc (1.1% margin of error)
Galactocentric distance: 7,420 pc
Transverse velocity: 48.4 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | -19.8 pc | -59.3 pc | 11.4 pc |
| Velocity (U, V, W) | -52.0 km/s | -11.0 km/s | -10.7 km/s |