We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sleep NighttimeWhat's Visible Now?
All Constellations » Draco » 

Tianyi - 7 Draconis

Altitude: 28.3°   Azimuth: 1.3°   Direction: North

Tianyi, also designated as 7 Draconis , is a giant star in the constellation of Draco.

Tianyi visual magnitude is 5.43. Because of its reltive faintness, Tianyi 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 Tianyi:


Tianyi - 7 Draconis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 28.3°
Azimuth: 1.3°
Direction: North

Celestial coordinates and finder chart of Tianyi

Tianyi is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Tianyi are provided in the following table:

12h 47m 34s
+66° 47’ 25”

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

Finder chart Tianyi - 7 Draconis star
Simplified finder chart for Tianyi - 7 Draconis.

Visibility of Tianyi from your location

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

Tianyi - 7 Draconis is circumpolar and transits at 07:56 UTC (altitude: 74.7°)

Digitized Sky Survey image of Tianyi

The image below is a photograph of Tianyi 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 Tianyi is 0.01 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Tianyi - 7 Draconis star
DSS2 image of Tianyi. The red arrow shows the motion of Tianyi during the next 10000 years (1.67 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of Tianyi from the Sun and relative movement

Tianyi is distant 778.04 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

238.66 pc
778.04 ly
8 km/s
0.01 arcsec/year
-0.005 arcsec/year

Spectral properties of Tianyi

Tianyi belongs to spectral class K5


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

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

Alternative designations of Tianyi