Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

μ Coronae Borealis (mu Coronae Borealis)

μ Coronae Borealis is a giant star in the constellation of Corona Borealis.

μ Coronae Borealis visual magnitude is 5.11. Because of its reltive faintness, μ Coronae Borealis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about μ Coronae Borealis:

5.11
Giant
μ Coronae Borealis (mu Coronae Borealis) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 40°.

Celestial coordinates and finder chart of μ Coronae Borealis

μ Coronae Borealis 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 μ Coronae Borealis are provided in the following table:

15h 35m 15s
+39° 00’ 35”
62.81°
54.03°
Corona Borealis

The simplified sky map below shows the position of μ Coronae Borealis in the sky:

Finder chart μ Coronae Borealis (mu Coronae Borealis) star
Simplified finder chart for μ Coronae Borealis (mu Coronae Borealis).

Visibility of μ Coronae Borealis from your location

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

μ Coronae Borealis (mu Coronae Borealis) is circumpolar and transits at 20:43 UTC (altitude: 77.5°)

Digitized Sky Survey image of μ Coronae Borealis

The image below is a photograph of μ Coronae Borealis 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 μ Coronae Borealis is 0.029 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of μ Coronae Borealis (mu Coronae Borealis) star
DSS2 image of μ Coronae Borealis. The red arrow shows the motion of μ Coronae Borealis during the next 10000 years (4.83 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of μ Coronae Borealis from the Sun and relative movement

μ Coronae Borealis is distant 570.93 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

175.13 pc
570.93 ly
-19 km/s
0.029 arcsec/year
0.006 arcsec/year

Spectral properties of μ Coronae Borealis

μ Coronae Borealis belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

-1.11
M1III
3594K

The red dot in the diagram below shows where μ Coronae Borealis is situated in the Hertzsprung–Russell diagram.

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

Alternative designations of μ Coronae Borealis

μ Coronae Borealis
(mu Coronae Borealis)
6 Coronae Borealis
SAO64790
SAO64790