Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

Misam - κ Persei (kappa Persei)

Misam, also designated as κ Persei (kappa Persei), is a variable and double hypergiant star in the constellation of Perseus.

Misam visual magnitude is 3.8. Because of its moderate brightness, Misam should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Misam:

3.8
Hypergiant
Misam - κ Persei (kappa Persei) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 47°.

Celestial coordinates and finder chart of Misam

Misam is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Misam are provided in the following table:

03h 09m 29s
+44° 51’ 25”
147.12°
-11.43°
Perseus

The simplified sky map below shows the position of Misam in the sky:

Finder chart Misam - κ Persei (kappa Persei) star
Simplified finder chart for Misam - κ Persei (kappa Persei).

Visibility of Misam from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Misam - κ Persei (kappa Persei) is circumpolar and transits at 01:17 UTC (altitude: 83.4°)

Digitized Sky Survey image of Misam

The image below is a photograph of Misam from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Misam is 0.177 arcsec per year in Right Ascension and -0.157 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Misam - κ Persei (kappa Persei) star
DSS2 image of Misam. The red arrow shows the motion of Misam during the next 1000 years (2.95 arcmin in Right Ascension and -2.62 arcmin in declination);

Distance of Misam from the Sun and relative movement

Misam is distant 112.22 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

34.42 pc
112.22 ly
29 km/s
0.177 arcsec/year
-0.157 arcsec/year

Spectral properties of Misam

Misam belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

1.12
K0III
4791K

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

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

Misam star system properties

Misam 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 Misam double sysyem:

3.8
12.2
8.4
27.7 arcsec

Alternative designations of Misam

Misam
κ Persei
(kappa Persei)
SAO38609
SAO38609