Psi-3 Piscium (HIP 5454)

Psi-3 Piscium is a yellow giant star in the constellation Pisces. At 376 light years away, it shines at an apparent visual magnitude of 5.57. It is moving through the Galaxy at a speed of 8.8 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,900 and 34,800 light years from the center of the Galaxy. It will come closest to the Sun 9.6 million years from now when it will brighten to magnitude 4.67 from a distance of 248 light years.

Sky position: RA 1h 9.8m, Dec +19 39.6'

Common designations: Psi-3 Piscium, 81 Piscium, HIP 5454, HD 6903

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Galactic Orbit of Psi-3 Piscium

(compared to the Sun)

Eccentricity: 18.6% vs. 16.0%

Angle φ : 26.3 vs. 26.0

Semi-major axis : 9,011 pc vs. 8,686 pc

Semi-minor axis: 8,853 pc vs. 8,574 pc

Focus-to-center: 1,678 pc vs. 1,388 pc

Semilatus rectum : 8,698 pc vs. 8,464 pc

Perigalacticon: 7,333 pc vs. 7,297 pc

Apogalacticon: 10,688 pc vs. 10,074 pc
 


Some Tabulated XHIP Data for Psi-3 Piscium
(see also: SIMBAD)

Astrometry
2007A&A...474..653V
  Position Proper Motion
Right Ascension: 17.45501983 0.26 mas -6.05 0.33 mas/yr.
Declination: 19.65838529 0.16 mas 8.73 0.18 mas/yr.
     
Galactic Longitude: 128.85366643 -6.87 mas/yr.
Galactic Latitude: -43.00190561 8.10 mas/yr.

Parallax: 8.66 0.27 mas


Spectrography

Spectral Type: G0IIIa 2001AJ....121.2148G.

Radial Velocity: -6.60 2.10 km/s [A rating] 2006AstL...32..759G.

Iron Abundance [Fe/H]: n/a
 



Photometry
 
band magnitude Abs. Mag.
U
B 6.27 0.96
V 5.57 0.26
R
I 4.89 -0.42
J 4.57 -0.74
H 4.19 -1.12
K 4.18 -1.13

  B-V: +0.70       V-I: +0.68


Derivations

Heliocentric distance: 115.34 pc (3.1% margin of error)

Galactocentric distance: 7,454 pc

Transverse velocity: 5.8 km/s

3D heliocentric position and motion:

toward:   

Galactic center Galactic rotation North Galactic Pole
Position ( X, Y, Z) -52.9 pc 65.7 pc -78.7 pc
Velocity (U, V, W) 4.1 km/s 0.9 km/s 7.7 km/s

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