HR830

Below the horizon. Rise: 20:12 | Tran: 4:39 | Set: 13:02

Alt: -9.64° Az: 24.62° Direction: North-North-East

HR830 is a variable hypergiant star of spectral class A0 in the constellation of Aries.

HR830 visual magnitude is 5.86. Because of its faintness, HR830 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 HR830. The red arrow shows the motion of HR830 during the next 10000 years (9.83 arcmin in Right Ascension and -0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 50m 12s

Declination +25° 17’ 22”

Hour Angle 13h 48m 04s

Sideral Time 16h 38m 16s

J2000

Right Ascension 02h 48m 45s

Declination +25° 11’ 17”

Galactic Coordinates

Galactic Longitude 153.91°

Galactic Latitude -30.53°

Finder Chart

Simplified finder chart for HR830.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.86

Class Hypergiant

Absolute magnitude 0.11

Spectral Type A0V

Color Index (B-V) -0.07

Temperature 11092K

The red dot in the diagram below shows where HR830 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR830. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR830 is distant 460.45 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 141.24

Distance (light year) 460.45

Radial Speed 14 km/s

Proper Motion RA 0.059 arcsec/y

Proper Motion Dec -0.004"/y

Alternative Designations

Henry Draper Catalogue HD17471

SAO Catalogue SAO75588

Hipparcos Catalogue HIP13121

Durchmusterung Catalogue BD+24 396

General Catalogue of Variable Stars VZ Ari

Visibility from Your Location

Today's HR830 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.7° RISE 20:12

Max altitude: 63.8° TRANSIT 4:39

Azimuth: 295.3° SET 13:02

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

We Need Your Support

Location

Other stars in Aries