HR4427

Below the horizon. Rise: 10:47 | Tran: 17:33 | Set: 0:23

Alt: -22.35° Az: 18.30° Direction: North-North-East

HR4427 is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

HR4427 visual magnitude is 6.41. Because of its faintness, HR4427 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 HR4427. The red arrow shows the motion of HR4427 during the next 10000 years (1.67 arcmin in Right Ascension and -9.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 31m 37s

Declination +54° 13’ 15”

Hour Angle 13h 59m 06s

Sidereal Time 01h 30m 43s

J2000

Right Ascension 11h 30m 12s

Declination +54° 21’ 42”

Galactic Coordinates

Galactic Longitude 146.03°

Galactic Latitude 58.97°

Finder Chart

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Finder chart for HR4427.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Hypergiant

Absolute magnitude -0.06

Spectral Type K0III

Color Index (B-V)

Temperature 10125K

The red dot in the diagram below shows where HR4427 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4427. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4427 is distant 641.73 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 196.85

Distance (light year) 641.73

Radial Speed -22 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec -0.057"/y

Alternative Designations

Henry Draper Catalogue HD99913

SAO Catalogue SAO28038

Hipparcos Catalogue HIP56120

Durchmusterung Catalogue BD+55 1468

Visibility from Your Location

Today's HR4427 rise, transit and set times from El Vigía, Venezuela are the following (all times relative to the local timezone America/Caracas):

Azimuth: 35.8° RISE 10:47

Max altitude: 44.4° TRANSIT 17:33

Azimuth: 324.2° SET 0:23

Name:	El Vigía, Venezuela
Latitude:	8° 36' 49.2" N
Longitude:	71° 39' 10.1" W
Timezone:	America/Caracas

Set Location

Other stars in Ursa Major