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

2 Aurigae

2 Aurigae is a giant star in the constellation of Auriga.

2 Aurigae visual magnitude is 4.78. Because of its moderate brightness, 2 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 2 Aurigae:

4.78
Giant
2 Aurigae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 26°.

Celestial coordinates and finder chart of 2 Aurigae

2 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 2 Aurigae are provided in the following table:

04h 52m 37s
+36° 42’ 11”
167.26°
-4.65°
Auriga

The simplified sky map below shows the position of 2 Aurigae in the sky:

Finder chart 2 Aurigae star
Simplified finder chart for 2 Aurigae.

Visibility of 2 Aurigae from your location

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

Today's 2 Aurigae rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.3°
Max altitude: 75.2°
Azimuth: 306.7°
2 Aurigae is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 2 Aurigae

The image below is a photograph of 2 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 2 Aurigae is -0.027 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 2 Aurigae star
DSS2 image of 2 Aurigae. The red arrow shows the motion of 2 Aurigae during the next 10000 years (-4.50 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of 2 Aurigae from the Sun and relative movement

2 Aurigae is distant 561.10 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

172.12 pc
561.10 ly
-17 km/s
-0.027 arcsec/year
-0.007 arcsec/year

Spectral properties of 2 Aurigae

2 Aurigae belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

-1.40
K2III
3934K

The red dot in the diagram below shows where 2 Aurigae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 2 Aurigae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 2 Aurigae

SAO57475
SAO57475