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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:33 
Transit: 12:55 
Sunset: 19:17
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All Constellations » Perseus » 

ν Persei (nu Persei)

Above the horizon.  Circumpolar today
Alt: 80.58°   Az: 157.70°   Direction: South-South-East

ν Persei is a variable and double bright giant star of spectral class F5 in the constellation of Perseus.

ν Persei visual magnitude is 3.77. Because of its moderate brightness, ν 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.

Image of ν Persei (nu Persei) star
DSS2 image of ν Persei. The red arrow shows the motion of ν Persei during the next 10000 years (-2.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

03h 46m 52s
+42° 39’ 16”
23h 40m 37s
03h 27m 30s

J2000

03h 45m 11s
+42° 34’ 42”

Galactic Coordinates

153.83°
-9.63°

Finder Chart

Finder chart ν Persei (nu Persei) star
Simplified finder chart for ν Persei (nu Persei).

Magnitude, Color, Spectral Class

3.77
Bright giant

-2.39
F5II
6776K

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

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

Star System Properties

ν 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 ν Persei double sysyem:

3.77
11.87
8.1
31.4 arcsec

Distance, Radial Speed, Proper Motion

ν Persei is distant 556.31 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

170.65
556.31
-13 km/s
-0.014 arcsec/y
-0.002"/y

Alternative Designations

ν Persei
(nu Persei)
SAO39078
SAO39078

Visibility from Your Location

ν Persei (nu Persei) is circumpolar and transits at 04:16 UTC (altitude: 81.2°)