HR251 is a double sub-giant star in the constellation of Cetus.
HR251 visual magnitude is 6.46. Because of its reltive faintness, HR251 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 HR251:
Celestial coordinates and finder chart of HR251
HR251 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR251 are provided in the following table:
The simplified sky map below shows the position of HR251 in the sky:
Visibility of HR251 from your location
Digitized Sky Survey image of HR251
The image below is a photograph of HR251 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 HR251 is 0.098 arcsec per year in Right Ascension and 0.037 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR251 from the Sun and relative movement
HR251 is distant 242.74 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.
Spectral properties of HR251
HR251 belongs to spectral class F6 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR251 is situated in the Hertzsprung–Russell diagram.
HR251 star system properties
HR251 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR251 double sysyem: