HR2170 is a variable sub-giant star in the constellation of Columba.
HR2170 visual magnitude is 5.83. Because of its reltive faintness, HR2170 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 HR2170:
Celestial coordinates and finder chart of HR2170
HR2170 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2170 are provided in the following table:
The simplified sky map below shows the position of HR2170 in the sky:
Visibility of HR2170 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR2170 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR2170
The image below is a photograph of HR2170 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 HR2170 is 0.003 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of HR2170 from the Sun and relative movement
HR2170 is distant 1,051.61 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.
Spectral properties of HR2170
HR2170 belongs to spectral class B4 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR2170 is situated in the Hertzsprung–Russell diagram.