HR7179

Above the horizon. Circumpolar today

Alt: 2.67° Az: 8.10° Direction: South-West

HR7179 is a double main-sequence star of spectral class B3 in the constellation of Lyra.

HR7179 visual magnitude is 6.22. Because of its faintness, HR7179 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.

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);

Celestial Coordinates

Apparent

Right Ascension 18h 59m 36s

Declination +40° 42’ 55”

Hour Angle 12h 42m 48s

Sidereal Time 07h 42m 24s

J2000

Right Ascension 18h 58m 46s

Declination +40° 40’ 45”

Galactic Coordinates

Galactic Longitude 70.88°

Galactic Latitude 16°

Finder Chart

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Finder chart for HR7179.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.22

Class Main-sequence

Absolute magnitude -1.10

Spectral Type B3V

Color Index (B-V) -0.16

Temperature 12692K

The red dot in the diagram below shows where HR7179 is situated in the Hertzsprung–Russell diagram.

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

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:

Main star magnitude 6.22

Secondary star magnitude 9.72

Magnitude difference 3.5

Separation 19 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 290.70

Distance (light year) 947.67

Radial Speed -14 km/s

Proper Motion RA 0.008 arcsec/y

Alternative Designations

Henry Draper Catalogue HD176502

SAO Catalogue SAO47965

Hipparcos Catalogue HIP93177

Durchmusterung Catalogue BD+40 3544

Aitken Double Star Catalogue ADS11910

Visibility from Your Location

HR7179 is circumpolar and transits at 00:53 UTC (altitude: 79.2°)

Set Location

Other stars in Lyra