ξ Coronae Borealis (xi Coronae Borealis)

Above the horizon. Rise: 16:35 | Tran: 23:51 | Set: 7:02

Alt: 3.64° Az: 303.19° Direction: South

ξ Coronae Borealis is a double hypergiant star of spectral class K0 in the constellation of Corona Borealis.

ξ Coronae Borealis visual magnitude is 4.85. Because of its moderate brightness, ξ Coronae Borealis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ξ Coronae Borealis (xi Coronae Borealis) star

DSS2 image of ξ Coronae Borealis. The red arrow shows the motion of ξ Coronae Borealis during the next 1000 years (-1.60 arcmin in Right Ascension and 1.82 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 23m 05s

Declination +30° 50’ 00”

Hour Angle 06h 53m 46s

Sidereal Time 23h 16m 52s

J2000

Right Ascension 16h 22m 05s

Declination +30° 53’ 30”

Galactic Coordinates

Galactic Longitude 50.77°

Galactic Latitude 44.21°

Finder Chart

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Finder chart for ξ Coronae Borealis (xi Coronae Borealis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.85

Class Hypergiant

Absolute magnitude 1.10

Spectral Type K0III

Color Index (B-V) 0.97

Temperature 4816K

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

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

Star System Properties

ξ Coronae Borealis 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 ξ Coronae Borealis double sysyem:

Main star magnitude 4.85

Secondary star magnitude 12.25

Magnitude difference 7.4

Separation 185.1 arcsec

Distance, Radial Speed, Proper Motion

ξ Coronae Borealis is distant 183.56 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

Distance (parsec) 56.31

Distance (light year) 183.56

Radial Speed -29 km/s

Proper Motion RA -0.096 arcsec/y

Proper Motion Dec 0.109"/y

Alternative Designations

Bayer designation ξ Coronae Borealis
(xi Coronae Borealis)

Flamsteed designation 19 Coronae Borealis

Henry Draper Catalogue HD147677

SAO Catalogue SAO65254

Hipparcos Catalogue HIP80181

Durchmusterung Catalogue BD+31 2845

FK5 Catalogue 3294

Visibility from Your Location

Today's ξ Coronae Borealis (xi Coronae Borealis) rise, transit and set times from Lake Wales, United States are the following (all times relative to the local timezone America/New_York):

Azimuth: 59.2° RISE 16:35

Max altitude: 87.1° TRANSIT 23:51

Azimuth: 300.8° SET 7:02

Name:	Lake Wales, United States
Latitude:	27° 54' 5.0" N
Longitude:	81° 35' 9.2" W
Timezone:	America/New_York

Set Location

Other stars in Corona Borealis