ι Coronae Borealis (iota Coronae Borealis)

Below the horizon. Rise: 6:19 | Tran: 15:20 | Set: 0:20

Alt: -4.30° Az: 333.43° Direction: North-North-West

ι Coronae Borealis is a variable hypergiant star of spectral class A0 in the constellation of Corona Borealis.

ι Coronae Borealis visual magnitude is 4.99. Because of its moderate brightness, ι 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 ι Coronae Borealis (iota Coronae Borealis) star

DSS2 image of ι Coronae Borealis. The red arrow shows the motion of ι Coronae Borealis during the next 10000 years (-6.50 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 02m 26s

Declination +29° 46’ 59”

Hour Angle 09h 56m 17s

Sidereal Time 01h 58m 44s

J2000

Right Ascension 16h 01m 26s

Declination +29° 51’ 03”

Galactic Coordinates

Galactic Longitude 48.3°

Galactic Latitude 48.46°

Finder Chart

Simplified finder chart for ι Coronae Borealis (iota Coronae Borealis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.99

Class Hypergiant

ι Coronae Borealis is also a Hg chemically peculiar star.

Absolute magnitude -0.17

Spectral Type A0

Color Index (B-V) -0.07

Temperature 11092K

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

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

Distance, Radial Speed, Proper Motion

ι Coronae Borealis is distant 350.91 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 107.64

Distance (light year) 350.91

Radial Speed -19 km/s

Proper Motion RA -0.039 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Bayer designation ι Coronae Borealis
(iota Coronae Borealis)

Flamsteed designation 14 Coronae Borealis

Henry Draper Catalogue HD143807

SAO Catalogue SAO84152

Hipparcos Catalogue HIP78493

Durchmusterung Catalogue BD+30 2738

FK5 Catalogue 3264

General Catalogue of Variable Stars 7396

Visibility from Your Location

Today's ι Coronae Borealis (iota Coronae Borealis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.2° RISE 6:19

Max altitude: 68.3° TRANSIT 15:20

Azimuth: 299.8° SET 0:20

Set Location

Other stars in Corona Borealis