μ Coronae Borealis (mu Coronae Borealis)

Above the horizon. Circumpolar today

Alt: 31.51° Az: 294.41° Direction: West-North-West

μ Coronae Borealis is a giant star of spectral class M1 in the constellation of Corona Borealis.

μ Coronae Borealis visual magnitude is 5.11. Because of its faintness, μ Coronae Borealis 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 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);

Celestial Coordinates

Apparent

Right Ascension 15h 36m 10s

Declination +38° 55’ 36”

Hour Angle 05h 45m 18s

Sidereal Time 21h 21m 29s

J2000

Right Ascension 15h 35m 15s

Declination +39° 00’ 35”

Galactic Coordinates

Galactic Longitude 62.81°

Galactic Latitude 54.03°

Finder Chart

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Finder chart for μ Coronae Borealis (mu Coronae Borealis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.11

Class Giant

Absolute magnitude -1.11

Spectral Type M1III

Color Index (B-V) 1.64

Temperature 3594K

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

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

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 175.13

Distance (light year) 570.93

Radial Speed -19 km/s

Proper Motion RA 0.029 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Bayer designation μ Coronae Borealis
(mu Coronae Borealis)

Flamsteed designation 6 Coronae Borealis

Henry Draper Catalogue HD139153

SAO Catalogue SAO64790

Hipparcos Catalogue HIP76307

Durchmusterung Catalogue BD+39 2889

Visibility from Your Location

μ Coronae Borealis (mu Coronae Borealis) is circumpolar and transits at 23:21 UTC (altitude: 77.4°)

Set Location

Other stars in Corona Borealis