HR1902 is a variable and multiple sub-giant star in the constellation of Taurus.
HR1902 visual magnitude is 5.83. Because of its reltive faintness, HR1902 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 HR1902:
Celestial coordinates and finder chart of HR1902
HR1902 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 HR1902 are provided in the following table:
The simplified sky map below shows the position of HR1902 in the sky:
Visibility of HR1902 from your location
Digitized Sky Survey image of HR1902
The image below is a photograph of HR1902 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 HR1902 is 0.011 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR1902 from the Sun and relative movement
HR1902 is distant 477.31 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.
Spectral properties of HR1902
HR1902 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 HR1902 is situated in the Hertzsprung–Russell diagram.
HR1902 star system properties
HR1902 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR1902 double sysyem: