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: 6:46  
clear_day Transit: 12:51  
SunsetSet: 18:55 south
sunny DaytimeWhat's Visible Now
All Constellations » Aquarius » 


Altitude: -28.4°   Azimuth: 46.1°   Direction: North-East

HR8017 is a multiple giant star in the constellation of Aquarius.

HR8017 visual magnitude is 6.05. Because of its reltive faintness, HR8017 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 HR8017:


HR8017 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -28.4°
Azimuth: 46.1°
Direction: North-East

Celestial coordinates and finder chart of HR8017

HR8017 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8017 are provided in the following table:

20h 57m 10s
+00° 27’ 48”

The simplified sky map below shows the position of HR8017 in the sky:

Finder chart HR8017 star
Simplified finder chart for HR8017.

Visibility of HR8017 from your location

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

Today's HR8017 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.5°
Max altitude: 39.0°
Azimuth: 270.5°

Digitized Sky Survey image of HR8017

The image below is a photograph of HR8017 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 HR8017 is 0.018 arcsec per year in Right Ascension and -0.065 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8017 star
DSS2 image of HR8017. The red arrow shows the motion of HR8017 during the next 10000 years (3.00 arcmin in Right Ascension and -10.83 arcmin in declination);

Distance of HR8017 from the Sun and relative movement

HR8017 is distant 318.36 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

97.66 pc
318.36 ly
-26 km/s
0.018 arcsec/year
-0.065 arcsec/year

Spectral properties of HR8017

HR8017 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8017 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8017. Attribution: Richard Powell / CC BY-SA

HR8017 star system properties

HR8017 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 HR8017 double sysyem:

26.2 arcsec

Alternative designations of HR8017