HR4181
HR4181 is a giant star in the constellation of Ursa Major.
HR4181 visual magnitude is 5. Because of its moderate brightness, HR4181 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 HR4181:
Celestial coordinates and finder chart of HR4181
HR4181 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 HR4181 are provided in the following table:
The simplified sky map below shows the position of HR4181 in the sky:
Visibility of HR4181 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR4181 is circumpolar and transits at 05:43 UTC (altitude: 72.4°)
Digitized Sky Survey image of HR4181
The image below is a photograph of HR4181 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 HR4181 is 0.002 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4181 from the Sun and relative movement
HR4181 is distant 426.14 light years from the Sun
Spectral properties of HR4181
HR4181 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR4181 is situated in the Hertzsprung–Russell diagram.
