HR129 is a hypergiant star in the constellation of Cassiopeia.
HR129 visual magnitude is 6.42. Because of its reltive faintness, HR129 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 HR129:
Celestial coordinates and finder chart of HR129
HR129 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR129 are provided in the following table:
The simplified sky map below shows the position of HR129 in the sky:
Visibility of HR129 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR129 is circumpolar and transits at 07:55 UTC (altitude: 70.5°)
Digitized Sky Survey image of HR129
The image below is a photograph of HR129 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 HR129 is 0.028 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR129 from the Sun and relative movement
HR129 is distant 527.51 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.
Spectral properties of HR129
HR129 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where HR129 is situated in the Hertzsprung–Russell diagram.