ψ Persei (psi Persei)

Above the horizon. Circumpolar today

Alt: 21.15° Az: 36.98° Direction: North-East

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 18s

Declination +48° 16’ 30”

Hour Angle 15h 49m 46s

Sidereal Time 19h 28m 04s

J2000

Right Ascension 03h 36m 29s

Declination +48° 11’ 34”

Galactic Coordinates

Galactic Longitude 149.17°

Galactic Latitude -6.09°

Finder Chart

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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 11:52 UTC (altitude: 86.8°)

In Evidence

Other stars in Perseus

ψ Persei (psi Persei)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Perseus

ψ Persei (psi Persei)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location