Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Grus » 

HR8662

HR8662 is a double giant star in the constellation of Grus.

HR8662 visual magnitude is 6.56. Because of its reltive faintness, HR8662 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8662:

6.56
Giant
HR8662 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR8662

HR8662 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8662 are provided in the following table:

22h 46m 43s
-46° 56’ 21”
345.57°
-58.54°
Grus

The simplified sky map below shows the position of HR8662 in the sky:

Finder chart HR8662 star
Simplified finder chart for HR8662.

Visibility of HR8662 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR8662 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR8662

The image below is a photograph of HR8662 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8662 is 0.058 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8662 star
DSS2 image of HR8662. The red arrow shows the motion of HR8662 during the next 10000 years (9.67 arcmin in Right Ascension and 0.67 arcmin in declination);

Distance of HR8662 from the Sun and relative movement

HR8662 is distant 241.30 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

74.02 pc
241.30 ly
-1 km/s
0.058 arcsec/year
0.004 arcsec/year

Spectral properties of HR8662

HR8662 belongs to spectral class A9 and has a luminosity class of III corresponding to a giant star.

2.21
A9III
7462K

The red dot in the diagram below shows where HR8662 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8662. Attribution: Richard Powell / CC BY-SA

HR8662 star system properties

HR8662 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 HR8662 double sysyem:

6.56
9.56
3
10.5 arcsec

Alternative designations of HR8662

SAO231290
SAO231290