Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

φ Aurigae (phi Aurigae)

φ Aurigae is a multiple giant star in the constellation of Auriga.

φ Aurigae visual magnitude is 5.07. Because of its reltive faintness, φ Aurigae 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 φ Aurigae:

5.07
Giant
φ Aurigae (phi Aurigae) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of φ Aurigae

φ Aurigae 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 φ Aurigae are provided in the following table:

05h 27m 38s
+34° 28’ 32”
173.28°
-0.24°
Auriga

The simplified sky map below shows the position of φ Aurigae in the sky:

Finder chart φ Aurigae (phi Aurigae) star
Simplified finder chart for φ Aurigae (phi Aurigae).

Visibility of φ Aurigae from your location

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

Today's φ Aurigae (phi Aurigae) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 55.5°
Max altitude: 73.0°
Azimuth: 304.5°
φ Aurigae (phi Aurigae) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of φ Aurigae

The image below is a photograph of φ Aurigae 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 φ Aurigae is -0.003 arcsec per year in Right Ascension and -0.047 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of φ Aurigae (phi Aurigae) star
DSS2 image of φ Aurigae. The red arrow shows the motion of φ Aurigae during the next 10000 years (-0.50 arcmin in Right Ascension and -7.83 arcmin in declination);

Distance of φ Aurigae from the Sun and relative movement

φ Aurigae is distant 400.49 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

122.85 pc
400.49 ly
31 km/s
-0.003 arcsec/year
-0.047 arcsec/year

Spectral properties of φ Aurigae

φ Aurigae belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

-0.38
K3III
3950K

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

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

φ Aurigae star system properties

φ Aurigae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the φ Aurigae double sysyem:

5.07
8.27
3.2
206.8 arcsec

Alternative designations of φ Aurigae

φ Aurigae
(phi Aurigae)
SAO58051
SAO58051