HR240 is a main-sequence star in the constellation of Cepheus.
HR240 visual magnitude is 5.62. Because of its reltive faintness, HR240 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 HR240:
Celestial coordinates and finder chart of HR240
HR240 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 HR240 are provided in the following table:
The simplified sky map below shows the position of HR240 in the sky:
Visibility of HR240 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR240 is circumpolar and transits at 12:40 UTC (altitude: 57.8°)
Digitized Sky Survey image of HR240
The image below is a photograph of HR240 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 HR240 is 0.062 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR240 from the Sun and relative movement
HR240 is distant 245.11 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.
Spectral properties of HR240
HR240 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR240 is situated in the Hertzsprung–Russell diagram.