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: 7:25 
Transit: 12:45 
Sunset: 18:04
sleep   (Nighttime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Cassiopeia » 

HR8770

Above the horizon.  Circumpolar today
Alt: 39.23°   Az: 312.84°   Direction: North-West

HR8770 is a variable and multiple giant star of spectral class B9 in the constellation of Cassiopeia.

HR8770 visual magnitude is 6.5. Because of its faintness, HR8770 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 HR8770 star
DSS2 image of HR8770. The red arrow shows the motion of HR8770 during the next 10000 years (1.33 arcmin in Right Ascension and 2.00 arcmin in declination);

Celestial Coordinates

Apparent

23h 03m 48s
+55° 22’ 12”
06h 07m 20s
05h 11m 08s

J2000

23h 02m 43s
+55° 14’ 11”

Galactic Coordinates

107.79°
-4.41°

Finder Chart

Finder chart HR8770 star
Simplified finder chart for HR8770.

Magnitude, Color, Spectral Class

6.5
Giant

-0.23
B9III
11247K

The red dot in the diagram below shows where HR8770 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8770. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8770 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 HR8770 double sysyem:

6.5
10.1
3.6
19.5 arcsec

Distance, Radial Speed, Proper Motion

HR8770 is distant 722.84 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

221.73
722.84
-13 km/s
0.008 arcsec/y
0.012"/y

Alternative Designations

SAO35092
SAO35092

Visibility from Your Location

HR8770 is circumpolar and transits at 21:24 UTC (altitude: 86.1°)