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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: 5:51  
clear_day Transit: 12:57  
SunsetSet: 20:04
sunny DaytimeWhat's Visible Now?
All Constellations » Boötes » 

7 Boötis

Altitude: 6.8°   Azimuth: 69.6°   Direction: East-North-East

7 Boötis is a giant star in the constellation of Boötes.

7 Boötis visual magnitude is 5.7. Because of its reltive faintness, 7 Boötis 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 7 Boötis is -0.039 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 7 Boötis star
DSS2 image of 7 Boötis. The red arrow shows the motion of 7 Boötis during the next 10000 years (-6.50 arcmin in Right Ascension and 0.67 arcmin in declination);

Key facts about 7 Boötis

5.7
Giant

7 Boötis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.8°
Azimuth: 69.6°
Direction: East-North-East

Celestial coordinates and finder chart of 7 Boötis

7 Boötis 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 7 Boötis are provided in the following table:

13h 53m 12s
+17° 55’ 58”
3.3°
73.05°
Boötes

The simplified sky map below shows the position of 7 Boötis in the sky:

Finder chart 7 Boötis star
Simplified finder chart for 7 Boötis.

Visibility of 7 Boötis 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 7 Boötis 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: 72.1°
Max altitude: 56.5°
Azimuth: 287.9°

Distance of 7 Boötis from the Sun and relative movement

7 Boötis is distant 683.44 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

209.64 pc
683.44 ly
-10 km/s
-0.039 arcsec/year
0.004 arcsec/year

Spectral properties of 7 Boötis

7 Boötis belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.

-0.91
G5III
5163K

The red dot in the diagram below shows where 7 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 7 Boötis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 7 Boötis

SAO100751
SAO100751