We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:52 
Transit: 11:51 
Sunset: 15:50
sleep   (Nighttime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Draco » 

φ Draconis (phi Draconis)

Above the horizon.  Circumpolar today
Alt: 33.73°   Az: 352.09°   Direction: North

φ Draconis is a variable and multiple hypergiant star of spectral class A0 in the constellation of Draco.

φ Draconis visual magnitude is 4.22. Because of its moderate brightness, φ Draconis 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.

Image of φ Draconis (phi Draconis) star
DSS2 image of φ Draconis. The red arrow shows the motion of φ Draconis during the next 10000 years (-0.67 arcmin in Right Ascension and 6.67 arcmin in declination);

Celestial Coordinates

Apparent

18h 20m 23s
+71° 21’ 00”
10h 36m 05s
04h 56m 29s

J2000

18h 20m 45s
+71° 20’ 16”

Galactic Coordinates

101.88°
28.04°

Finder Chart

loader
  Loading map...
Finder chart for φ Draconis (phi Draconis).

Magnitude, Color, Spectral Class

4.22
Hypergiant
φ Draconis is also a Si chemically peculiar star.

-0.52
A0
11573K

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

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

Star System Properties

φ 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 φ Draconis double sysyem:

4.22
5.92
1.7
0.2 arcsec

Distance, Radial Speed, Proper Motion

φ Draconis is distant 289.01 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

88.65
289.01
-16 km/s
-0.004 arcsec/y
0.04"/y

Alternative Designations

φ Draconis
(phi Draconis)
43 Draconis
SAO9084
SAO9084

Visibility from Your Location

φ Draconis (phi Draconis) is circumpolar and transits at 13:13 UTC (altitude: 70.1°)