34 Persei

Altitude: 49.5° Azimuth: 294.1° Direction: West-North-West

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

34 Persei visual magnitude is 4.67. Because of its moderate brightness, 34 Persei should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 34 Persei:

Color of 34 Persei ⬤

Magnitude of 34 Persei 4.67

Class Main-sequence

VISIBILITY RIGHT NOW

34 Persei is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 49.5°
Azimuth: 294.1°
Direction: West-North-West

Celestial coordinates and finder chart of 34 Persei

34 Persei is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 34 Persei are provided in the following table:

Right Ascension J2000 03h 29m 22s

Declination J2000 +49° 30’ 32”

Galactic Longitude 147.45°

Galactic Latitude -5.7°

Constellation Perseus

The simplified sky map below shows the position of 34 Persei in the sky:

Simplified finder chart for 34 Persei.

Visibility of 34 Persei from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

34 Persei is circumpolar and transits at 22:15 UTC (altitude: 88.0°)

Digitized Sky Survey image of 34 Persei

The image below is a photograph of 34 Persei from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 34 Persei is 0.026 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

Distance of 34 Persei from the Sun and relative movement

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 pc

Distance (light year) 558.22 ly

Heliocentric radial velocity -2 km/s

Proper Motion RA 0.026 arcsec/year

Proper Motion Dec -0.027 arcsec/year

Spectral properties of 34 Persei

34 Persei belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -1.50

Spectral Type B3V

Color Index (B-V) -0.09

Temperature of 34 Persei 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

34 Persei 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

Alternative designations of 34 Persei

Flamsteed designation 34 Persei

Henry Draper Catalogue HD21428

SAO Catalogue SAO38872

Hipparcos Catalogue HIP16244

Durchmusterung Catalogue BD+49 945

Aitken Double Star Catalogue ADS2558

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