64 Eridani

64 Eridani is a variable hypergiant star in the constellation of Eridanus.

64 Eridani visual magnitude is 4.79. Because of its moderate brightness, 64 Eridani 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 64 Eridani:

Color of 64 Eridani ⬤

Magnitude of 64 Eridani 4.79

Class Hypergiant

VISIBILITY RIGHT NOW 64 Eridani is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 64 Eridani

64 Eridani is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 64 Eridani are provided in the following table:

Right Ascension J2000 04h 59m 55s

Declination J2000 -12° 32’ 14”

Galactic Longitude 211.94°

Galactic Latitude -30.34°

Constellation Eridanus

The simplified sky map below shows the position of 64 Eridani in the sky:

Simplified finder chart for 64 Eridani.

Visibility of 64 Eridani from your location

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

Today's 64 Eridani rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 102.5° RISE 12:14

Max altitude: 26.0° TRANSIT 17:08

Azimuth: 257.5° SET 22:01

RIGHT NOW 64 Eridani is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 64 Eridani

The image below is a photograph of 64 Eridani 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 64 Eridani is 0.045 arcsec per year in Right Ascension and -0.091 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of 64 Eridani. The red arrow shows the motion of 64 Eridani during the next 1000 years (0.75 arcmin in Right Ascension and -1.52 arcmin in declination);

Distance of 64 Eridani from the Sun and relative movement

64 Eridani is distant 290.81 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 89.21 pc

Distance (light year) 290.81 ly

Heliocentric radial velocity -9 km/s

Proper Motion RA 0.045 arcsec/year

Proper Motion Dec -0.091 arcsec/year

Spectral properties of 64 Eridani

64 Eridani belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.

Absolute magnitude 0.04

Spectral Type F0IV

Color Index (B-V) 0.26

Temperature of 64 Eridani 7726K

The red dot in the diagram below shows where 64 Eridani is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 64 Eridani. Attribution: Richard Powell / CC BY-SA

Alternative designations of 64 Eridani

Flamsteed designation 64 Eridani

Henry Draper Catalogue HD32045

SAO Catalogue SAO150064

Hipparcos Catalogue HIP23231

Durchmusterung Catalogue BD-12 1047

General Catalogue of Variable Stars S Eri

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Other stars in Eridanus