HR1799 is a giant star in the constellation of Orion.
HR1799 visual magnitude is 5.61. Because of its reltive faintness, HR1799 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 HR1799:
Celestial coordinates and finder chart of HR1799
HR1799 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 HR1799 are provided in the following table:
The simplified sky map below shows the position of HR1799 in the sky:
Visibility of HR1799 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR1799 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 HR1799
The image below is a photograph of HR1799 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 HR1799 is -0.017 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 HR1799 from the Sun and relative movement
HR1799 is distant 635.48 light years from the Sun and it is moving far from the Sun at the speed of 57 kilometers per second.
Spectral properties of HR1799
HR1799 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR1799 is situated in the Hertzsprung–Russell diagram.