We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:02 
Transit: 11:43 
Sunset: 16:24
sleep   (Nighttime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Hercules » 

HR6399

Above the horizon.  Circumpolar today
Alt: 41.85°   Az: 301.28°   Direction: West-North-West

HR6399 is a variable and multiple giant star of spectral class A5 in the constellation of Hercules.

HR6399 visual magnitude is 6.04. Because of its faintness, HR6399 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.

Image of HR6399 star
DSS2 image of HR6399. The red arrow shows the motion of HR6399 during the next 10000 years (3.33 arcmin in Right Ascension and 5.83 arcmin in declination);

Celestial Coordinates

Apparent

17h 12m 18s
+49° 43’ 04”
05h 19m 47s
22h 32m 05s

J2000

17h 11m 40s
+49° 44’ 48”

Galactic Coordinates

76.38°
36.19°

Finder Chart

Finder chart HR6399 star
Simplified finder chart for HR6399.

Magnitude, Color, Spectral Class

6.04
Giant

1.11
A5III
10125K

The red dot in the diagram below shows where HR6399 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6399. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6399 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 HR6399 double sysyem:

6.04
9.44
3.4
5.2 arcsec

Distance, Radial Speed, Proper Motion

HR6399 is distant 315.59 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

96.81
315.59
-11 km/s
0.02 arcsec/y
0.035"/y

Alternative Designations

SAO46561
SAO46561

Visibility from Your Location

HR6399 is circumpolar and transits at 14:11 UTC (altitude: 88.2°)