Azha - η Eridani (eta Eridani)

Azha, also designated as η Eridani (eta Eridani), is a variable giant star in the constellation of Eridanus.

Azha visual magnitude is 3.89. Because of its moderate brightness, Azha 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 Azha:

Color of Azha ⬤

Magnitude of Azha 3.89

Class Giant

VISIBILITY RIGHT NOW Azha - η Eridani (eta Eridani) is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 11°.

Celestial coordinates and finder chart of Azha

Azha 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 Azha are provided in the following table:

Right Ascension J2000 02h 56m 25s

Declination J2000 -08° 53’ 53”

Galactic Longitude 187.15°

Galactic Latitude -55.31°

Constellation Eridanus

The simplified sky map below shows the position of Azha in the sky:

Finder chart Azha - η Eridani (eta Eridani) star

Simplified finder chart for Azha - η Eridani (eta Eridani).

Visibility of Azha from your location

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

Today's Azha - η Eridani (eta Eridani) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.9° RISE 6:00

Max altitude: 29.6° TRANSIT 11:13

Azimuth: 261.1° SET 16:26

RIGHT NOW Azha - η Eridani (eta Eridani) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Azha

The image below is a photograph of Azha 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 Azha is 0.079 arcsec per year in Right Ascension and -0.22 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Azha - η Eridani (eta Eridani) star

DSS2 image of Azha. The red arrow shows the motion of Azha during the next 1000 years (1.32 arcmin in Right Ascension and -3.67 arcmin in declination);

Distance of Azha from the Sun and relative movement

Azha is distant 133.12 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

Distance (parsec) 40.83 pc

Distance (light year) 133.12 ly

Heliocentric radial velocity -20 km/s

Proper Motion RA 0.079 arcsec/year

Proper Motion Dec -0.22 arcsec/year

Spectral properties of Azha

Azha belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.83

Spectral Type K1III

Color Index (B-V) 1.11

Temperature of Azha 4493K

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

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

Alternative designations of Azha

Proper Name Azha

Bayer designation η Eridani
(eta Eridani)

Flamsteed designation 3 Eridani

Henry Draper Catalogue HD18322

SAO Catalogue SAO130197

Hipparcos Catalogue HIP13701

Durchmusterung Catalogue BD-09 553

FK5 Catalogue 104

General Catalogue of Variable Stars 988

In Evidence

Other stars in Eridanus