ψ7 Aurigae (psi7 Aurigae)

ψ7 Aurigae is a multiple giant star in the constellation of Auriga.

ψ7 Aurigae visual magnitude is 5.02. Because of its reltive faintness, ψ7 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 ψ7 Aurigae:

Color of ψ7 Aurigae ⬤

Magnitude of ψ7 Aurigae 5.02

Class Giant

VISIBILITY RIGHT NOW ψ7 Aurigae (psi7 Aurigae) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 34°.

Celestial coordinates and finder chart of ψ7 Aurigae

ψ7 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 ψ7 Aurigae are provided in the following table:

Right Ascension J2000 06h 50m 45s

Declination J2000 +41° 46’ 53”

Galactic Longitude 174.39°

Galactic Latitude 17.57°

Constellation Auriga

The simplified sky map below shows the position of ψ7 Aurigae in the sky:

Finder chart ψ7 Aurigae (psi7 Aurigae) star

Simplified finder chart for ψ7 Aurigae (psi7 Aurigae).

Visibility of ψ7 Aurigae from your location

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

ψ7 Aurigae (psi7 Aurigae) is circumpolar and transits at 18:15 UTC (altitude: 80.3°)

Digitized Sky Survey image of ψ7 Aurigae

The image below is a photograph of ψ7 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 ψ7 Aurigae is -0.024 arcsec per year in Right Ascension and -0.136 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of ψ7 Aurigae. The red arrow shows the motion of ψ7 Aurigae during the next 1000 years (-0.40 arcmin in Right Ascension and -2.27 arcmin in declination);

Distance of ψ7 Aurigae from the Sun and relative movement

ψ7 Aurigae is distant 364.25 light years from the Sun and it is moving far from the Sun at the speed of 61 kilometers per second.

Distance (parsec) 111.73 pc

Distance (light year) 364.25 ly

Heliocentric radial velocity 61 km/s

Proper Motion RA -0.024 arcsec/year

Proper Motion Dec -0.136 arcsec/year

Spectral properties of ψ7 Aurigae

ψ7 Aurigae belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.22

Spectral Type K3III

Color Index (B-V) 1.27

Temperature of ψ7 Aurigae 4176K

The red dot in the diagram below shows where ψ7 Aurigae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ψ7 Aurigae. Attribution: Richard Powell / CC BY-SA

ψ7 Aurigae star system properties

ψ7 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 ψ7 Aurigae double sysyem:

Main star magnitude 5.02

Secondary star magnitude 10.02

Magnitude difference 5

Separation 40.9 arcsec

Alternative designations of ψ7 Aurigae

Bayer designation ψ7 Aurigae
(psi7 Aurigae)

Flamsteed designation 58 Aurigae

Henry Draper Catalogue HD49520

SAO Catalogue SAO41380

Hipparcos Catalogue HIP32844

Durchmusterung Catalogue BD+41 1536

FK5 Catalogue 2527

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