HR789
HR789 is a double main-sequence star in the constellation of Eridanus.
HR789 visual magnitude is 4.75. Because of its moderate brightness, HR789 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 HR789 is 0.106 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about HR789
HR789 is below the horizon from Greenwich, United Kingdom.
Altitude: -43.2°
Azimuth: 251.4°
Direction: West-South-West
Celestial coordinates and finder chart of HR789
HR789 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR789 are provided in the following table:
The simplified sky map below shows the position of HR789 in the sky:
Visibility of HR789 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR789 is currently not visible from Greenwich, United Kingdom
Distance of HR789 from the Sun and relative movement
HR789 is distant 129.62 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.
Spectral properties of HR789
HR789 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR789 is situated in the Hertzsprung–Russell diagram.
HR789 star system properties
HR789 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 HR789 double sysyem: