46 Draconis

Above the horizon. Circumpolar today

Alt: 35.28° Az: 42.82° Direction: South-South-West

46 Draconis is a variable and multiple star of spectral class B9 in the constellation of Draco.

46 Draconis visual magnitude is 5.04. Because of its faintness, 46 Draconis 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 46 Draconis. The red arrow shows the motion of 46 Draconis during the next 10000 years (-0.33 arcmin in Right Ascension and 4.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 43m 07s

Declination +55° 33’ 56”

Hour Angle 17h 15m 36s

Sidereal Time 11h 58m 43s

J2000

Right Ascension 18h 42m 37s

Declination +55° 32’ 21”

Galactic Coordinates

Galactic Longitude 84.94°

Galactic Latitude 23.29°

Finder Chart

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Finder chart for 46 Draconis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.04

Class

46 Draconis is also a Hg chemically peculiar star.

Absolute magnitude -0.20

Spectral Type B9

Color Index (B-V) -0.09

Temperature 11407K

The red dot in the diagram below shows where 46 Draconis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 46 Draconis. Attribution: Richard Powell / CC BY-SA

Star System Properties

46 Draconis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 46 Draconis double sysyem:

Main star magnitude 5.04

Secondary star magnitude 10.64

Magnitude difference 5.6

Separation 146.8 arcsec

Distance, Radial Speed, Proper Motion

46 Draconis is distant 363.84 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.

Distance (parsec) 111.61

Distance (light year) 363.84

Radial Speed -30 km/s

Proper Motion RA -0.002 arcsec/y

Proper Motion Dec 0.024"/y

Alternative Designations

Flamsteed designation 46 Draconis

Henry Draper Catalogue HD173524

SAO Catalogue SAO31119

Hipparcos Catalogue HIP91755

Durchmusterung Catalogue BD+55 2107

FK5 Catalogue 3491

General Catalogue of Variable Stars 11273

Visibility from Your Location

46 Draconis is circumpolar and transits at 00:41 UTC (altitude: 85.9°)

Set Location

Other stars in Draco