34 Persei

Above the horizon. Circumpolar today

Alt: 12.39° Az: 12.63° Direction: South

34 Persei is a double main-sequence star of spectral class B3 in the constellation of Perseus.

34 Persei visual magnitude is 4.67. Because of its moderate brightness, 34 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 34 Persei. The red arrow shows the motion of 34 Persei during the next 10000 years (4.33 arcmin in Right Ascension and -4.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 31m 12s

Declination +49° 35’ 42”

Hour Angle 13h 16m 56s

Sidereal Time 16h 48m 08s

J2000

Right Ascension 03h 29m 22s

Declination +49° 30’ 32”

Galactic Coordinates

Galactic Longitude 147.45°

Galactic Latitude -5.7°

Finder Chart

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Finder chart for 34 Persei.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.67

Class Main-sequence

Absolute magnitude -1.50

Spectral Type B3V

Color Index (B-V) -0.09

Temperature 11407K

The red dot in the diagram below shows where 34 Persei is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 34 Persei. Attribution: Richard Powell / CC BY-SA

Star System Properties

34 Persei is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 34 Persei double sysyem:

Main star magnitude 4.67

Secondary star magnitude 6.77

Magnitude difference 2.1

Separation 0.8 arcsec

Distance, Radial Speed, Proper Motion

34 Persei is distant 558.22 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 171.23

Distance (light year) 558.22

Radial Speed -2 km/s

Proper Motion RA 0.026 arcsec/y

Proper Motion Dec -0.027"/y

Alternative Designations

Flamsteed designation 34 Persei

Henry Draper Catalogue HD21428

SAO Catalogue SAO38872

Hipparcos Catalogue HIP16244

Durchmusterung Catalogue BD+49 945

Aitken Double Star Catalogue ADS2558

Visibility from Your Location

34 Persei is circumpolar and transits at 09:27 UTC (altitude: 88.1°)

Set Location

Other stars in Perseus