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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
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All Constellations » Auriga » 

ψ2 Aurigae (psi2 Aurigae)

Altitude: 69.2°   Azimuth: 104.6°   Direction: East-South-East

ψ2 Aurigae is a multiple giant star in the constellation of Auriga.

ψ2 Aurigae visual magnitude is 4.79. Because of its moderate brightness, ψ2 Aurigae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ψ2 Aurigae:


ψ2 Aurigae (psi2 Aurigae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 69.2°
Azimuth: 104.6°
Direction: East-South-East

Celestial coordinates and finder chart of ψ2 Aurigae

ψ2 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 ψ2 Aurigae are provided in the following table:

06h 39m 19s
+42° 29’ 20”

The simplified sky map below shows the position of ψ2 Aurigae in the sky:

Finder chart ψ2 Aurigae (psi2 Aurigae) star
Simplified finder chart for ψ2 Aurigae (psi2 Aurigae).

Visibility of ψ2 Aurigae from your location

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

ψ2 Aurigae (psi2 Aurigae) is circumpolar and transits at 01:21 UTC (altitude: 81.0°)

Digitized Sky Survey image of ψ2 Aurigae

The image below is a photograph of ψ2 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 ψ2 Aurigae is 0.006 arcsec per year in Right Ascension and -0.058 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ψ2 Aurigae (psi2 Aurigae) star
DSS2 image of ψ2 Aurigae. The red arrow shows the motion of ψ2 Aurigae during the next 10000 years (1.00 arcmin in Right Ascension and -9.67 arcmin in declination);

Distance of ψ2 Aurigae from the Sun and relative movement

ψ2 Aurigae is distant 432.36 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

132.63 pc
432.36 ly
17 km/s
0.006 arcsec/year
-0.058 arcsec/year

Spectral properties of ψ2 Aurigae

ψ2 Aurigae belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where ψ2 Aurigae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ψ2 Aurigae. Attribution: Richard Powell / CC BY-SA

ψ2 Aurigae star system properties

ψ2 Aurigae 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 ψ2 Aurigae double sysyem:

52.1 arcsec

Alternative designations of ψ2 Aurigae

ψ2 Aurigae
(psi2 Aurigae)