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public  San Pablo Tolimán, Messico San Pablo Tolimán, Messico  ⓘ
TimezoneAmerica/Mexico_City
Sunrise: 6:03 
Transit: 12:43 
Sunset: 19:23
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All Constellations » Perseus » 

5 Persei

Above the horizon.  Rise: 23:43 | Tran: 8:09 | Set: 16:35
Alt: 27.96°   Az: 34.66°   Direction: North-East

5 Persei is a variable and multiple supergiant star of spectral class B5 in the constellation of Perseus.

5 Persei visual magnitude is 6.36. Because of its faintness, 5 Persei is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 5 Persei star
DSS2 image of 5 Persei. The red arrow shows the motion of 5 Persei during the next 10000 years (-2.17 arcmin in Right Ascension and 0.83 arcmin in declination);

Celestial Coordinates

Apparent

02h 13m 16s
+57° 45’ 53”
19h 18m 39s
21h 31m 55s

J2000

02h 11m 29s
+57° 38’ 44”

Galactic Coordinates

133.51°
-3.57°

Finder Chart

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Finder chart for 5 Persei.

Magnitude, Color, Spectral Class

6.36
Supergiant

-3.10
B5I
7276K

The red dot in the diagram below shows where 5 Persei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 5 Persei. Attribution: Richard Powell / CC BY-SA

Star System Properties

5 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 5 Persei double sysyem:

6.36
13.26
6.9
60 arcsec

Distance, Radial Speed, Proper Motion

5 Persei is distant 2,546.88 light years from the Sun and it is moving towards the Sun at the speed of 34 kilometers per second.

781.25
2,546.88
-34 km/s
-0.013 arcsec/y
0.005"/y

Alternative Designations

SAO23011
SAO23011

Visibility from Your Location

Today's 5 Persei rise, transit and set times from San Pablo Tolimán, Messico are the following (all times relative to the local timezone America/Mexico_City):

Azimuth: 32.2°
Max altitude: 53.1°
Azimuth: 327.8°