HR273
HR273 is a hypergiant star in the constellation of Cassiopeia.
HR273 visual magnitude is 5.97. Because of its reltive faintness, HR273 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of HR273 is 0.043 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about HR273
HR273 is above the horizon from Greenwich, United Kingdom .
Altitude: 28.8°
Azimuth: 8.8°
Direction: North
Celestial coordinates and finder chart of HR273
HR273 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 HR273 are provided in the following table:
The simplified sky map below shows the position of HR273 in the sky:
Visibility of HR273 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR273 is circumpolar and transits at 10:46 UTC (altitude: 75.1°)
Distance of HR273 from the Sun and relative movement
HR273 is distant 376.01 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.
Spectral properties of HR273
HR273 belongs to spectral class A0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where HR273 is situated in the Hertzsprung–Russell diagram.