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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:28 
Transit: 12:56 
Sunset: 19:23
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All Constellations » Perseus » 

43 Persei

Above the horizon.  Circumpolar today
Alt: 13.67°   Az: 13.01°   Direction: North-North-East

43 Persei is a multiple sub-giant star of spectral class F5 in the constellation of Perseus.

43 Persei visual magnitude is 5.28. Because of its faintness, 43 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 43 Persei star
DSS2 image of 43 Persei. The red arrow shows the motion of 43 Persei during the next 1000 years (1.52 arcmin in Right Ascension and -2.17 arcmin in declination);

Celestial Coordinates

Apparent

03h 58m 27s
+50° 45’ 55”
13h 20m 54s
17h 19m 21s

J2000

03h 56m 36s
+50° 41’ 43”

Galactic Coordinates

150.2°
-2.1°

Finder Chart

Finder chart 43 Persei star
Simplified finder chart for 43 Persei.

Magnitude, Color, Spectral Class

5.28
Sub-giant

2.23
F5IV
6827K

The red dot in the diagram below shows where 43 Persei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 43 Persei. Attribution: Richard Powell / CC BY-SA

Star System Properties

43 Persei is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 43 Persei double sysyem:

5.28
10.08
4.8
75.3 arcsec

Distance, Radial Speed, Proper Motion

43 Persei is distant 133.01 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

40.80
133.01
27 km/s
0.091 arcsec/y
-0.13"/y

Alternative Designations

SAO24314
SAO24314

Visibility from Your Location

43 Persei is circumpolar and transits at 04:39 UTC (altitude: 89.3°)