HR7813

Above the horizon. Rise: 12:29 | Tran: 20:15 | Set: 4:05

Alt: 54.57° Az: 145.17° Direction: South-East

HR7813 is a hypergiant star of spectral class K0 in the constellation of Delphinus.

HR7813 visual magnitude is 6.41. Because of its faintness, HR7813 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 HR7813. The red arrow shows the motion of HR7813 during the next 10000 years (4.83 arcmin in Right Ascension and 0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 27m 07s

Declination +19° 56’ 50”

Hour Angle 22h 37m 31s

Sideral Time 19h 04m 38s

J2000

Right Ascension 20h 26m 01s

Declination +19° 51’ 53”

Galactic Coordinates

Galactic Longitude 61.77°

Galactic Latitude -10.41°

Finder Chart

Simplified finder chart for HR7813.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Hypergiant

Absolute magnitude -0.17

Spectral Type K0III

Color Index (B-V) 1.02

Temperature 4695K

The red dot in the diagram below shows where HR7813 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7813. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7813 is distant 674.95 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.

Distance (parsec) 207.04

Distance (light year) 674.95

Radial Speed -30 km/s

Proper Motion RA 0.029 arcsec/y

Proper Motion Dec 0.002"/y

Alternative Designations

Henry Draper Catalogue HD194616

SAO Catalogue SAO106100

Hipparcos Catalogue HIP100779

Durchmusterung Catalogue BD+19 4408

Visibility from Your Location

Today's HR7813 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.1° RISE 12:29

Max altitude: 58.5° TRANSIT 20:15

Azimuth: 289.9° SET 4:05

Set Location

Other stars in Delphinus