δ Coronae Borealis (delta Coronae Borealis)

Above the horizon. Rise: 15:30 | Tran: 21:54 | Set: 4:19

Alt: 29.56° Az: 67.47° Direction: South-West

δ Coronae Borealis is a variable giant star of spectral class G3 in the constellation of Corona Borealis.

δ Coronae Borealis visual magnitude is 4.63. Because of its moderate brightness, δ 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 δ Coronae Borealis (delta Coronae Borealis) star

DSS2 image of δ Coronae Borealis. The red arrow shows the motion of δ Coronae Borealis during the next 10000 years (-12.67 arcmin in Right Ascension and -10.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 50m 40s

Declination +25° 59’ 31”

Hour Angle 19h 46m 32s

Sidereal Time 11h 37m 12s

J2000

Right Ascension 15h 49m 35s

Declination +26° 04’ 05”

Galactic Coordinates

Galactic Longitude 41.88°

Galactic Latitude 50.37°

Finder Chart

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Finder chart for δ Coronae Borealis (delta Coronae Borealis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.63

Class Giant

Absolute magnitude 1.10

Spectral Type G3III

Color Index (B-V) 0.8

Temperature 5281K

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

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

Distance, Radial Speed, Proper Motion

δ Coronae Borealis is distant 165.40 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 50.74

Distance (light year) 165.40

Radial Speed -19 km/s

Proper Motion RA -0.076 arcsec/y

Proper Motion Dec -0.063"/y

Alternative Designations

Bayer designation δ Coronae Borealis
(delta Coronae Borealis)

Flamsteed designation 10 Coronae Borealis

Henry Draper Catalogue HD141714

SAO Catalogue SAO84019

Hipparcos Catalogue HIP77512

Durchmusterung Catalogue BD+26 2737

FK5 Catalogue 3252

General Catalogue of Variable Stars Del CrB

Visibility from Your Location

Today's δ Coronae Borealis (delta Coronae Borealis) rise, transit and set times from Siem Reap, Cambodia are the following (all times relative to the local timezone Asia/Phnom_Penh):

Azimuth: 64.0° RISE 15:30

Max altitude: 77.4° TRANSIT 21:54

Azimuth: 296.0° SET 4:19

Name:	Siem Reap, Cambodia
Latitude:	13° 21' 42.5" N
Longitude:	103° 51' 39.6" E
Timezone:	Asia/Phnom_Penh

Set Location

Other stars in Corona Borealis