HR7255

Below the horizon. Never rises today

Alt: -1.95° Az: 170.16° Direction: South

HR7255 is a hypergiant star of spectral class K0 in the constellation of Corona Australis.

HR7255 visual magnitude is 6.46. Because of its faintness, HR7255 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.

DSS2 image of HR7255. The red arrow shows the motion of HR7255 during the next 10000 years (-0.17 arcmin in Right Ascension and -8.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 11m 24s

Declination -39° 47’ 06”

Hour Angle 23h 08m 38s

Sidereal Time 18h 20m 02s

J2000

Right Ascension 19h 09m 39s

Declination -39° 49’ 41”

Galactic Coordinates

Galactic Longitude 357.62°

Galactic Latitude -20.26°

Finder Chart

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Finder chart for HR7255.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.46

Class Hypergiant

Absolute magnitude 1.31

Spectral Type K0III

Color Index (B-V) 1.06

Temperature 4603K

The red dot in the diagram below shows where HR7255 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7255. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7255 is distant 349.79 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 107.30

Distance (light year) 349.79

Radial Speed 17 km/s

Proper Motion RA -0.001 arcsec/y

Proper Motion Dec -0.049"/y

Alternative Designations

Henry Draper Catalogue HD178254

SAO Catalogue SAO210994

Hipparcos Catalogue HIP94130

Durchmusterung Catalogue CD-4013074

Visibility from Your Location

HR7255 is currently not visible from Greenwich, UK

Set Location

Other stars in Corona Australis