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🌎  Greenwich, United Kingdom [change]

HR7017

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

HR7017 visual magnitude is 6.25. Because of its reltive faintness, HR7017 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 HR7017:

6.25
Main-sequence
HR7017 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 64°.

Celestial coordinates and finder chart of HR7017

HR7017 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 HR7017 are provided in the following table:

18h 39m 33s
+40° 56’ 06”
69.77°
19.49°
Lyra

The simplified sky map below shows the position of HR7017 in the sky:

Finder chart HR7017 star
Simplified finder chart for HR7017.

Visibility of HR7017 from your location

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

HR7017 is circumpolar and transits at 21:06 UTC (altitude: 79.5°)

Digitized Sky Survey image of HR7017

The image below is a photograph of HR7017 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 HR7017 is 0.027 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7017 star
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);

Distance of HR7017 from the Sun and relative movement

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.

247.52 pc
806.93 ly
-9 km/s
0.027 arcsec/year
-0.002 arcsec/year

Spectral properties of HR7017

HR7017 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

-0.72
B9V
10941K

The red dot in the diagram below shows where HR7017 is situated in the Hertzsprungā€“Russell diagram.

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

HR7017 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:

6.25
6.65
0.4
0.2 arcsec

Alternative designations of HR7017

SAO47676
SAO47676