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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:16 
Transit: 12:14 
Sunset: 17:12
sunny   (Daytime)  
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All Constellations » Perseus » 

42 Persei

Below the horizon.  Rise: 8:33 | Tran: 18:11 | Set: 3:52
Alt: -3.03°   Az: 18.87°   Direction: North-North-East

42 Persei is a variable main-sequence star of spectral class A3 in the constellation of Perseus.

42 Persei visual magnitude is 5.11. Because of its faintness, 42 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 42 Persei star
DSS2 image of 42 Persei. The red arrow shows the motion of 42 Persei during the next 10000 years (-4.83 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

03h 51m 08s
+33° 09’ 58”
13h 30m 46s
17h 21m 54s

J2000

03h 49m 32s
+33° 05’ 29”

Galactic Coordinates

160.7°
-16.42°

Finder Chart

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Finder chart for 42 Persei.

Magnitude, Color, Spectral Class

5.11
Main-sequence

0.31
A3V
9328K

The red dot in the diagram below shows where 42 Persei is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 42 Persei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

42 Persei is distant 297.45 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

91.24
297.45
-14 km/s
-0.029 arcsec/y
-0.001"/y

Alternative Designations

SAO56727
SAO56727

Visibility from Your Location

Today's 42 Persei rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.8°
Max altitude: 71.7°
Azimuth: 303.2°