HR7017

Above the horizon. Circumpolar today

Alt: 38.00° Az: 290.74° Direction: West-North-West

HR7017 is a double main-sequence star of spectral class B9 in the constellation of Lyra.

HR7017 visual magnitude is 6.25. Because of its faintness, HR7017 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 HR7017. The red arrow shows the motion of HR7017 during the next 10000 years (4.50 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 40m 22s

Declination +40° 57’ 34”

Hour Angle 05h 09m 29s

Sidereal Time 23h 49m 52s

J2000

Right Ascension 18h 39m 33s

Declination +40° 56’ 06”

Galactic Coordinates

Galactic Longitude 69.77°

Galactic Latitude 19.49°

Finder Chart

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Finder chart for HR7017.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.25

Class Main-sequence

Absolute magnitude -0.72

Spectral Type B9V

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where HR7017 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7017. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7017 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7017 double sysyem:

Main star magnitude 6.25

Secondary star magnitude 6.65

Magnitude difference 0.4

Separation 0.2 arcsec

Distance, Radial Speed, Proper Motion

HR7017 is distant 806.93 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 247.52

Distance (light year) 806.93

Radial Speed -9 km/s

Proper Motion RA 0.027 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD172671

SAO Catalogue SAO47676

Hipparcos Catalogue HIP91491

Durchmusterung Catalogue BD+40 3446

Visibility from Your Location

HR7017 is circumpolar and transits at 23:23 UTC (altitude: 79.5°)

Set Location

Other stars in Lyra