HR490 is a sub-giant star in the constellation of Triangulum.
HR490 visual magnitude is 5.64. Because of its reltive faintness, HR490 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about HR490:
Celestial coordinates and finder chart of HR490
HR490 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR490 are provided in the following table:
The simplified sky map below shows the position of HR490 in the sky:
Visibility of HR490 from your location
Digitized Sky Survey image of HR490
The image below is a photograph of HR490 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 HR490 is 0.049 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR490 from the Sun and relative movement
HR490 is distant 258.52 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.
Spectral properties of HR490
HR490 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR490 is situated in the Hertzsprung–Russell diagram.