ψ Persei (psi Persei)

Above the horizon. Circumpolar today

Alt: 10.12° Az: 353.22° Direction: North

ψ Persei is a variable main-sequence star of spectral class B5 in the constellation of Perseus.

ψ Persei visual magnitude is 4.23. Because of its moderate brightness, ψ Persei is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of ψ Persei. The red arrow shows the motion of ψ Persei during the next 10000 years (4.00 arcmin in Right Ascension and -4.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 38m 15s

Declination +48° 16’ 23”

Hour Angle 11h 19m 47s

Sideral Time 14h 58m 03s

J2000

Right Ascension 03h 36m 29s

Declination +48° 11’ 34”

Galactic Coordinates

Galactic Longitude 149.17°

Galactic Latitude -6.09°

Finder Chart

Simplified finder chart for ψ Persei (psi Persei).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.23

Class Main-sequence

Absolute magnitude -2.43

Spectral Type B5V

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where ψ Persei is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ψ Persei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ψ Persei is distant 699.57 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 214.59

Distance (light year) 699.57

Radial Speed -1 km/s

Proper Motion RA 0.024 arcsec/y

Proper Motion Dec -0.026"/y

Alternative Designations

Bayer designation ψ Persei
(psi Persei)

Flamsteed designation 37 Persei

Henry Draper Catalogue HD22192

SAO Catalogue SAO38980

Hipparcos Catalogue HIP16826

Durchmusterung Catalogue BD+47 857

General Catalogue of Variable Stars Psi Per

Visibility from Your Location

ψ Persei (psi Persei) is circumpolar and transits at 02:21 UTC (altitude: 86.8°)

Set Location

Other stars in Perseus