ψ4 Aurigae (psi4 Aurigae)

ψ4 Aurigae is a giant star in the constellation of Auriga.

ψ4 Aurigae visual magnitude is 5.02. Because of its reltive faintness, ψ4 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 ψ4 Aurigae:

Color of ψ4 Aurigae ⬤

Magnitude of ψ4 Aurigae 5.02

Class Giant

VISIBILITY RIGHT NOW ψ4 Aurigae (psi4 Aurigae) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 7°.

Celestial coordinates and finder chart of ψ4 Aurigae

ψ4 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 ψ4 Aurigae are provided in the following table:

Right Ascension J2000 06h 43m 05s

Declination J2000 +44° 31’ 27”

Galactic Longitude 171.18°

Galactic Latitude 17.26°

Constellation Auriga

The simplified sky map below shows the position of ψ4 Aurigae in the sky:

Finder chart ψ4 Aurigae (psi4 Aurigae) star

Simplified finder chart for ψ4 Aurigae (psi4 Aurigae).

Visibility of ψ4 Aurigae from your location

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

ψ4 Aurigae (psi4 Aurigae) is circumpolar and transits at 18:03 UTC (altitude: 83.0°)

Digitized Sky Survey image of ψ4 Aurigae

The image below is a photograph of ψ4 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 ψ4 Aurigae is -0.042 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of ψ4 Aurigae. The red arrow shows the motion of ψ4 Aurigae during the next 10000 years (-7.00 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of ψ4 Aurigae from the Sun and relative movement

ψ4 Aurigae is distant 305.82 light years from the Sun and it is moving towards the Sun at the speed of 73 kilometers per second.

Distance (parsec) 93.81 pc

Distance (light year) 305.82 ly

Heliocentric radial velocity -73 km/s

Proper Motion RA -0.042 arcsec/year

Proper Motion Dec -0.028 arcsec/year

Spectral properties of ψ4 Aurigae

ψ4 Aurigae belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.16

Spectral Type K5III

Color Index (B-V) 1.48

Temperature of ψ4 Aurigae 3824K

The red dot in the diagram below shows where ψ4 Aurigae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ψ4 Aurigae. Attribution: Richard Powell / CC BY-SA

Alternative designations of ψ4 Aurigae

Bayer designation ψ4 Aurigae
(psi4 Aurigae)

Flamsteed designation 55 Aurigae

Henry Draper Catalogue HD47914

SAO Catalogue SAO41288

Hipparcos Catalogue HIP32173

Durchmusterung Catalogue BD+44 1518

FK5 Catalogue 2517

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Other stars in Auriga