HR8456

Below the horizon. Rise: 23:56 | Tran: 7:15 | Set: 14:29

Alt: -16.38° Az: 322.70° Direction: North-West

HR8456 is a double hypergiant star of spectral class K0 in the constellation of Pegasus.

HR8456 visual magnitude is 6.33. Because of its faintness, HR8456 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 HR8456. The red arrow shows the motion of HR8456 during the next 10000 years (5.67 arcmin in Right Ascension and -4.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 11m 36s

Declination +14° 45’ 20”

Hour Angle 09h 32m 09s

Sidereal Time 07h 43m 46s

J2000

Right Ascension 22h 10m 22s

Declination +14° 37’ 48”

Galactic Coordinates

Galactic Longitude 74.85°

Galactic Latitude -32.81°

Finder Chart

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Finder chart for HR8456.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.33

Class Hypergiant

Absolute magnitude 0.76

Spectral Type K0III

Color Index (B-V) 1.08

Temperature 4559K

The red dot in the diagram below shows where HR8456 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8456. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8456 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8456 double sysyem:

Main star magnitude 6.33

Secondary star magnitude 11.43

Magnitude difference 5.1

Separation 21.5 arcsec

Distance, Radial Speed, Proper Motion

HR8456 is distant 423.93 light years from the Sun and it is moving towards the Sun at the speed of 42 kilometers per second.

Distance (parsec) 130.04

Distance (light year) 423.93

Radial Speed -42 km/s

Proper Motion RA 0.034 arcsec/y

Proper Motion Dec -0.026"/y

Alternative Designations

Henry Draper Catalogue HD210461

SAO Catalogue SAO107707

Hipparcos Catalogue HIP109445

Durchmusterung Catalogue BD+13 4861

Aitken Double Star Catalogue ADS15690

Visibility from Your Location

Today's HR8456 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.2° RISE 23:56

Max altitude: 53.3° TRANSIT 7:15

Azimuth: 284.8° SET 14:29

Set Location

Other stars in Pegasus