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All Constellations » Cassiopeia » 

42 Cassiopeiae

Above the horizon.  Circumpolar today
Alt: 70.55°   Az: 354.22°   Direction: North

42 Cassiopeiae is a variable main-sequence star of spectral class B9 in the constellation of Cassiopeia.

42 Cassiopeiae visual magnitude is 5.18. Because of its faintness, 42 Cassiopeiae 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 Cassiopeiae star
DSS2 image of 42 Cassiopeiae. The red arrow shows the motion of 42 Cassiopeiae during the next 10000 years (12.83 arcmin in Right Ascension and -2.17 arcmin in declination);

Celestial Coordinates

Apparent

01h 44m 53s
+70° 44’ 49”
00h 23m 21s
02h 08m 15s

J2000

01h 42m 55s
+70° 37’ 21”

Galactic Coordinates

127.21°
8.18°

Finder Chart

Finder chart 42 Cassiopeiae star
Simplified finder chart for 42 Cassiopeiae.

Magnitude, Color, Spectral Class

5.18
Main-sequence

0.51
B9V
10653K

The red dot in the diagram below shows where 42 Cassiopeiae is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

42 Cassiopeiae is distant 280.55 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

86.06
280.55
6 km/s
0.077 arcsec/y
-0.013"/y

Alternative Designations

42 Cassiopeiae
SAO4470
SAO4470

Visibility from Your Location

42 Cassiopeiae is circumpolar and transits at 22:14 UTC (altitude: 70.7°)