HR3999 is a variable giant star in the constellation of Carina.
HR3999 visual magnitude is 5.6. Because of its reltive faintness, HR3999 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 HR3999:
HR3999 is below the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR3999
HR3999 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 HR3999 are provided in the following table:
The simplified sky map below shows the position of HR3999 in the sky:
Visibility of HR3999 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR3999 is currently not visible from Greenwich, United Kingdom
Digitized Sky Survey image of HR3999
The image below is a photograph of HR3999 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 HR3999 is -0.094 arcsec per year in Right Ascension and 0.073 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR3999 from the Sun and relative movement
HR3999 is distant 1,319.84 light years from the Sun and it is moving far from the Sun at the speed of 289 kilometers per second.
Spectral properties of HR3999
HR3999 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR3999 is situated in the Hertzsprung–Russell diagram.