γ Persei (gamma Persei)

Below the horizon. Rise: 3:29 | Tran: 11:01 | Set: 18:38

Alt: -19.68° Az: 3.91° Direction: North

γ Persei is a multiple giant star of spectral class G8 in the constellation of Perseus.

γ Persei visual magnitude is 2.93. Because of its brightness, γ Persei is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

DSS2 image of γ Persei. The red arrow shows the motion of γ Persei during the next 100000 years (0.00 arcmin in Right Ascension and -8.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 06m 39s

Declination +53° 36’ 13”

Hour Angle 12h 24m 49s

Sidereal Time 15h 31m 28s

J2000

Right Ascension 03h 04m 47s

Declination +53° 30’ 23”

Galactic Coordinates

Galactic Longitude 142.07°

Galactic Latitude -4.34°

Finder Chart

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Finder chart for γ Persei (gamma Persei).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 2.93

Class Giant

Absolute magnitude -1.55

Spectral Type G8III

Color Index (B-V) 0.7

Temperature 5602K

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

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

Star System Properties

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

Main star magnitude 2.93

Secondary star magnitude 11.53

Magnitude difference 8.6

Separation 57 arcsec

Distance, Radial Speed, Proper Motion

γ Persei is distant 256.29 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 78.62

Distance (light year) 256.29

Radial Speed 3 km/s

Proper Motion Dec -0.005"/y

Alternative Designations

Bayer designation γ Persei
(gamma Persei)

Flamsteed designation 23 Persei

Henry Draper Catalogue HD18925

SAO Catalogue SAO23789

Hipparcos Catalogue HIP14328

Durchmusterung Catalogue BD+52 654

FK5 Catalogue 108

Aitken Double Star Catalogue ADS2324

Visibility from Your Location

Today's γ Persei (gamma Persei) rise, transit and set times from Placencia, Belize are the following (all times relative to the local timezone America/Belize):

Azimuth: 36.4° RISE 3:29

Max altitude: 52.9° TRANSIT 11:01

Azimuth: 323.6° SET 18:38

Name:	Placencia, Belize
Latitude:	16° 30' 51.1" N
Longitude:	88° 21' 59.4" W
Timezone:	America/Belize

Set Location

Other stars in Perseus