HR6440
HR6440 is a sub-giant star in the constellation of Ara.
HR6440 visual magnitude is 5.7. Because of its reltive faintness, HR6440 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of HR6440 is -0.001 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Key facts about HR6440
HR6440 is below the horizon from Greenwich, United Kingdom.
Altitude: -40.6°
Azimuth: 143.7°
Direction: South-East
Celestial coordinates and finder chart of HR6440
HR6440 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 HR6440 are provided in the following table:
The simplified sky map below shows the position of HR6440 in the sky:
Visibility of HR6440 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR6440 is currently not visible from Greenwich, United Kingdom
Distance of HR6440 from the Sun and relative movement
HR6440 is distant 1,638.19 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.
Spectral properties of HR6440
HR6440 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR6440 is situated in the Hertzsprung–Russell diagram.
