HR8691

Below the horizon. Rise: 5:23 | Tran: 13:04 | Set: 20:46

Alt: -2.03° Az: 305.10° Direction: North-West

HR8691 is a hypergiant star of spectral class K0 in the constellation of Pegasus.

HR8691 visual magnitude is 6.4. Because of its faintness, HR8691 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 HR8691. The red arrow shows the motion of HR8691 during the next 10000 years (8.33 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 51m 52s

Declination +19° 16’ 28”

Hour Angle 07h 59m 55s

Sidereal Time 06h 51m 48s

J2000

Right Ascension 22h 50m 39s

Declination +19° 08’ 26”

Galactic Coordinates

Galactic Longitude 87.35°

Galactic Latitude -35.25°

Finder Chart

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Finder chart for HR8691.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.4

Class Hypergiant

Absolute magnitude 0.39

Spectral Type K0

Color Index (B-V)

Temperature 10125K

The red dot in the diagram below shows where HR8691 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8691. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8691 is distant 519.94 light years from the Sun and it is moving towards the Sun at the speed of 39 kilometers per second.

Distance (parsec) 159.49

Distance (light year) 519.94

Radial Speed -39 km/s

Proper Motion RA 0.05 arcsec/y

Proper Motion Dec -0.02"/y

Alternative Designations

Henry Draper Catalogue HD216201

SAO Catalogue SAO108211

Hipparcos Catalogue HIP112803

Durchmusterung Catalogue BD+18 5059

Visibility from Your Location

Today's HR8691 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.7° RISE 5:23

Max altitude: 57.8° TRANSIT 13:04

Azimuth: 289.3° SET 20:46

Set Location

Other stars in Pegasus