η Andromedae (eta Andromedae)
η Andromedae is a double giant star in the constellation of Andromeda.
η Andromedae visual magnitude is 4.42. Because of its moderate brightness, η Andromedae should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of η Andromedae is -0.044 arcsec per year in Right Ascension and -0.048 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about η Andromedae
η Andromedae (eta Andromedae) is above the horizon from Greenwich, United Kingdom .
Altitude: 59.1°
Azimuth: 149.1°
Direction: South-South-East
Celestial coordinates and finder chart of η Andromedae
η Andromedae 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 η Andromedae are provided in the following table:
The simplified sky map below shows the position of η Andromedae in the sky:
Visibility of η Andromedae from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's η Andromedae (eta Andromedae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of η Andromedae from the Sun and relative movement
η Andromedae is distant 242.56 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.
Spectral properties of η Andromedae
η Andromedae belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where η Andromedae is situated in the Hertzsprung–Russell diagram.
η Andromedae star system properties
η Andromedae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the η Andromedae double sysyem: