10 Draconis

10 Draconis is a variable and multiple giant star in the constellation of Draco.

10 Draconis visual magnitude is 4.65. Because of its moderate brightness, 10 Draconis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 10 Draconis:

Color of 10 Draconis ⬤

Magnitude of 10 Draconis 4.65

Class Giant

VISIBILITY RIGHT NOW 10 Draconis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 44°.

Celestial coordinates and finder chart of 10 Draconis

10 Draconis 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 10 Draconis are provided in the following table:

Right Ascension J2000 13h 51m 25s

Declination J2000 +64° 43’ 23”

Galactic Longitude 112.77°

Galactic Latitude 51.21°

Constellation Draco

The simplified sky map below shows the position of 10 Draconis in the sky:

Simplified finder chart for 10 Draconis.

Visibility of 10 Draconis from your location

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

10 Draconis is circumpolar and transits at 02:02 UTC (altitude: 76.8°)

Digitized Sky Survey image of 10 Draconis

The image below is a photograph of 10 Draconis 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 10 Draconis is 0.001 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 10 Draconis. The red arrow shows the motion of 10 Draconis during the next 100000 years (1.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of 10 Draconis from the Sun and relative movement

10 Draconis is distant 391.36 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 120.05 pc

Distance (light year) 391.36 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA 0.001 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of 10 Draconis

10 Draconis belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.75

Spectral Type M3III

Color Index (B-V) 1.58

Temperature of 10 Draconis 3677K

The red dot in the diagram below shows where 10 Draconis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 10 Draconis. Attribution: Richard Powell / CC BY-SA

10 Draconis star system properties

10 Draconis 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 10 Draconis double sysyem:

Main star magnitude 4.65

Secondary star magnitude 12.35

Magnitude difference 7.7

Separation 90.2 arcsec

Alternative designations of 10 Draconis

Flamsteed designation 10 Draconis

Henry Draper Catalogue HD121130

SAO Catalogue SAO16199

Hipparcos Catalogue HIP67627

Durchmusterung Catalogue BD+65 963

FK5 Catalogue 511

General Catalogue of Variable Stars CU Dra

Aitken Double Star Catalogue ADS9039

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Other stars in Draco