HR8716

Above the horizon. Rise: 16:55 | Tran: 22:28 | Set: 4:06

Alt: 29.26° Az: 210.74° Direction: South-South-West

HR8716 is a variable and double hypergiant star of spectral class K0 in the constellation of Aquarius.

HR8716 visual magnitude is 5.72. Because of its faintness, HR8716 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 HR8716. The red arrow shows the motion of HR8716 during the next 10000 years (5.67 arcmin in Right Ascension and -0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 56m 27s

Declination -04° 51’ 18”

Hour Angle 01h 46m 20s

Sidereal Time 00h 42m 48s

J2000

Right Ascension 22h 55m 10s

Declination -04° 59’ 16”

Galactic Coordinates

Galactic Longitude 66.38°

Galactic Latitude -54.55°

Finder Chart

Simplified finder chart for HR8716.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.72

Class Hypergiant

Absolute magnitude 0.95

Spectral Type K0III

Color Index (B-V) 0.88

Temperature 5051K

The red dot in the diagram below shows where HR8716 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8716. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8716 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR8716 double sysyem:

Main star magnitude 5.72

Secondary star magnitude 7.72

Magnitude difference 2

Separation 0.6 arcsec

Distance, Radial Speed, Proper Motion

HR8716 is distant 292.90 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 89.85

Distance (light year) 292.90

Radial Speed -9 km/s

Proper Motion RA 0.034 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Henry Draper Catalogue HD216718

SAO Catalogue SAO146388

Hipparcos Catalogue HIP113184

Durchmusterung Catalogue BD-05 5885

General Catalogue of Variable Stars 14360

Aitken Double Star Catalogue ADS16365

Visibility from Your Location

Today's HR8716 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.9° RISE 16:55

Max altitude: 33.7° TRANSIT 22:28

Azimuth: 265.1° SET 4:06

Set Location

Other stars in Aquarius