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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:39  
clear_day Transit: 12:56  
SunsetSet: 20:14
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All Constellations » Octans » 

HR8664

Altitude: -38.9°   Azimuth: 175.5°   Direction: South

HR8664 is a main-sequence star in the constellation of Octans.

HR8664 visual magnitude is 6.73. Because of its reltive faintness, HR8664 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR8664 is 0.071 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8664 star
DSS2 image of HR8664. The red arrow shows the motion of HR8664 during the next 10000 years (11.83 arcmin in Right Ascension and 2.17 arcmin in declination);

Key facts about HR8664

6.73
Main-sequence

HR8664 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -38.9°
Azimuth: 175.5°
Direction: South

Celestial coordinates and finder chart of HR8664

HR8664 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8664 are provided in the following table:

22h 49m 40s
-77° 03’ 02”
311.22°
-38.05°
Octans

The simplified sky map below shows the position of HR8664 in the sky:

Finder chart HR8664 star
Simplified finder chart for HR8664.

Visibility of HR8664 from your location

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

HR8664 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR8664 from the Sun and relative movement

HR8664 is distant 332.31 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

101.94 pc
332.31 ly
-9 km/s
0.071 arcsec/year
0.013 arcsec/year

Spectral properties of HR8664

HR8664 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.

1.69
A4V
8932K

The red dot in the diagram below shows where HR8664 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8664. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8664

SAO258069
SAO258069