HR5781
HR5781 is a variable and double sub-giant star in the constellation of Lupus.
HR5781 visual magnitude is 4.54. Because of its moderate brightness, HR5781 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 HR5781:
Celestial coordinates and finder chart of HR5781
HR5781 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5781 are provided in the following table:
The simplified sky map below shows the position of HR5781 in the sky:
Visibility of HR5781 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR5781 is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of HR5781
The image below is a photograph of HR5781 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 HR5781 is -0.025 arcsec per year in Right Ascension and -0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR5781 from the Sun and relative movement
HR5781 is distant 434.09 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Spectral properties of HR5781
HR5781 belongs to spectral class B3 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR5781 is situated in the Hertzsprung–Russell diagram.
HR5781 star system properties
HR5781 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR5781 double sysyem: