HR8999

Below the horizon. Rise: 5:22 | Tran: 8:48 | Set: 12:15

Alt: -7.93° Az: 237.42° Direction: West-South-West

HR8999 is a double main-sequence star of spectral class F4 in the constellation of Sculptor.

HR8999 visual magnitude is 6.17. Because of its faintness, HR8999 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 HR8999. The red arrow shows the motion of HR8999 during the next 10000 years (-11.67 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 45m 48s

Declination -26° 06’ 19”

Hour Angle 04h 33m 23s

Sidereal Time 04h 19m 11s

J2000

Right Ascension 23h 44m 28s

Declination -26° 14’ 47”

Galactic Coordinates

Galactic Longitude 32.5°

Galactic Latitude -75.03°

Finder Chart

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Finder chart for HR8999.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.17

Class Main-sequence

Absolute magnitude 2.01

Spectral Type F4V

Color Index (B-V) 0.5

Temperature 6389K

The red dot in the diagram below shows where HR8999 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8999. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8999 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 HR8999 double sysyem:

Main star magnitude 6.17

Secondary star magnitude 9.37

Magnitude difference 3.2

Separation 8.3 arcsec

Distance, Radial Speed, Proper Motion

HR8999 is distant 221.77 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 68.03

Distance (light year) 221.77

Radial Speed 16 km/s

Proper Motion RA -0.07 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Henry Draper Catalogue HD222872

SAO Catalogue SAO192116

Hipparcos Catalogue HIP117107

Durchmusterung Catalogue CD-2616762

Aitken Double Star Catalogue ADS16963

Visibility from Your Location

Today's HR8999 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.1° RISE 5:22

Max altitude: 12.4° TRANSIT 8:48

Azimuth: 243.9° SET 12:15

Set Location

Other stars in Sculptor