HR8680

Below the horizon. Rise: 20:06 | Tran: 22:31 | Set: 0:55

Alt: -28.11° Az: 108.16° Direction: East-South-East

HR8680 is a double hypergiant star of spectral class F0 in the constellation of Piscis Austrinus.

HR8680 visual magnitude is 6.33. Because of its faintness, HR8680 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 HR8680. The red arrow shows the motion of HR8680 during the next 10000 years (-8.33 arcmin in Right Ascension and -2.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 51m 21s

Declination -32° 40’ 25”

Hour Angle 17h 38m 38s

Sideral Time 16h 30m 00s

J2000

Right Ascension 22h 49m 59s

Declination -32° 48’ 19”

Galactic Coordinates

Galactic Longitude 13.31°

Galactic Latitude -63.19°

Finder Chart

Simplified finder chart for HR8680.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.33

Class Hypergiant

Absolute magnitude 2.11

Spectral Type F0V

Color Index (B-V) 0.31

Temperature 7399K

The red dot in the diagram below shows where HR8680 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8680. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8680 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR8680 double sysyem:

Main star magnitude 6.33

Secondary star magnitude 6.53

Magnitude difference 0.2

Separation 0.3 arcsec

Distance, Radial Speed, Proper Motion

HR8680 is distant 228.13 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

Distance (parsec) 69.98

Distance (light year) 228.13

Radial Speed 24 km/s

Proper Motion RA -0.05 arcsec/y

Proper Motion Dec -0.017"/y

Alternative Designations

Henry Draper Catalogue HD216042

SAO Catalogue SAO214119

Hipparcos Catalogue HIP112746

Durchmusterung Catalogue CD-3316244

Visibility from Your Location

Today's HR8680 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.7° RISE 20:06

Max altitude: 5.8° TRANSIT 22:31

Azimuth: 237.3° SET 0:55

Set Location

Other stars in Piscis Austrinus