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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: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
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All Constellations » Lyra » 


Altitude: 5.6°   Azimuth: 21.8°   Direction: North-North-East

HR7179 is a double main-sequence star in the constellation of Lyra.

HR7179 visual magnitude is 6.22. Because of its reltive faintness, HR7179 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 HR7179 is 0.008 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7179 star
DSS2 image of HR7179. The red arrow shows the motion of HR7179 during the next 100000 years (13.33 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about HR7179


HR7179 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.6°
Azimuth: 21.8°
Direction: North-North-East

Celestial coordinates and finder chart of HR7179

HR7179 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7179 are provided in the following table:

18h 58m 46s
+40° 40’ 45”

The simplified sky map below shows the position of HR7179 in the sky:

Finder chart HR7179 star
Simplified finder chart for HR7179.

Visibility of HR7179 from your location

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

HR7179 is circumpolar and transits at 08:28 UTC (altitude: 79.2°)

Distance of HR7179 from the Sun and relative movement

HR7179 is distant 947.67 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

290.70 pc
947.67 ly
-14 km/s
0.008 arcsec/year

Spectral properties of HR7179

HR7179 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR7179 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR7179. Attribution: Richard Powell / CC BY-SA

HR7179 star system properties

HR7179 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 HR7179 double sysyem:

19 arcsec

Alternative designations of HR7179