Fafnir - 42 Draconis

Above the horizon. Circumpolar today

Alt: 31.82° Az: 19.77° Direction: North-North-East

Fafnir, also designated as 42 Draconis , is a giant star of spectral class K1 in the constellation of Draco.

Fafnir visual magnitude is 4.82. Because of its moderate brightness, Fafnir is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of Fafnir. The red arrow shows the motion of Fafnir during the next 1000 years (1.75 arcmin in Right Ascension and -0.38 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 26m 02s

Declination +65° 34’ 46”

Hour Angle 14h 56m 10s

Sidereal Time 09h 22m 13s

J2000

Right Ascension 18h 25m 59s

Declination +65° 33’ 48”

Galactic Coordinates

Galactic Longitude 95.42°

Galactic Latitude 27.13°

Finder Chart

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Finder chart for Fafnir - 42 Draconis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.82

Class Giant

Absolute magnitude -0.12

Spectral Type K1III

Color Index (B-V) 1.19

Temperature 4328K

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

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

Distance, Radial Speed, Proper Motion

Fafnir is distant 317.12 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

Distance (parsec) 97.28

Distance (light year) 317.12

Radial Speed 32 km/s

Proper Motion RA 0.105 arcsec/y

Proper Motion Dec -0.023"/y

Alternative Designations

Proper Name Fafnir

Flamsteed designation 42 Draconis

Henry Draper Catalogue HD170693

SAO Catalogue SAO17888

Hipparcos Catalogue HIP90344

Durchmusterung Catalogue BD+65 1271

FK5 Catalogue 3465

Visibility from Your Location

Fafnir - 42 Draconis is circumpolar and transits at 02:30 UTC (altitude: 75.9°)

Set Location

Other stars in Draco