HR4940 is a double main-sequence star in the constellation of Centaurus.
HR4940 visual magnitude is 4.71. Because of its moderate brightness, HR4940 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 HR4940:
Celestial coordinates and finder chart of HR4940
HR4940 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 HR4940 are provided in the following table:
The simplified sky map below shows the position of HR4940 in the sky:
Visibility of HR4940 from your location
HR4940 is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of HR4940
The image below is a photograph of HR4940 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 HR4940 is -0.03 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4940 from the Sun and relative movement
HR4940 is distant 413.71 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.
Spectral properties of HR4940
HR4940 belongs to spectral class B5 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR4940 is situated in the Hertzsprung–Russell diagram.
HR4940 star system properties
HR4940 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 HR4940 double sysyem: