46 Draconis

Altitude: 46.6° Azimuth: 53.2° Direction: North-East

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

46 Draconis visual magnitude is 5.04. Because of its reltive faintness, 46 Draconis 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 46 Draconis:

Color of 46 Draconis ⬤

Magnitude of 46 Draconis 5.04

Class

VISIBILITY RIGHT NOW

46 Draconis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 46.6°
Azimuth: 53.2°
Direction: North-East

Celestial coordinates and finder chart of 46 Draconis

46 Draconis 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 46 Draconis are provided in the following table:

Right Ascension J2000 18h 42m 37s

Declination J2000 +55° 32’ 21”

Galactic Longitude 84.94°

Galactic Latitude 23.29°

Constellation Draco

The simplified sky map below shows the position of 46 Draconis in the sky:

Simplified finder chart for 46 Draconis.

Visibility of 46 Draconis from your location

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

46 Draconis is circumpolar and transits at 13:26 UTC (altitude: 85.9°)

Digitized Sky Survey image of 46 Draconis

The image below is a photograph of 46 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 46 Draconis is -0.002 arcsec per year in Right Ascension and 0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

Distance of 46 Draconis from the Sun and relative movement

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 pc

Distance (light year) 363.84 ly

Heliocentric radial velocity -30 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec 0.024 arcsec/year

Spectral properties of 46 Draconis

46 Draconis belongs to spectral class B9 46 Draconis is also a Hg chemically peculiar star.

Absolute magnitude -0.20

Spectral Type B9

Color Index (B-V) -0.09

Temperature of 46 Draconis 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

46 Draconis 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

Alternative designations of 46 Draconis

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

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