HR3770 is a double giant star in the constellation of Antlia.
HR3770 visual magnitude is 5.48. Because of its reltive faintness, HR3770 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 HR3770:
Celestial coordinates and finder chart of HR3770
HR3770 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3770 are provided in the following table:
The simplified sky map below shows the position of HR3770 in the sky:
Visibility of HR3770 from your location
Digitized Sky Survey image of HR3770
The image below is a photograph of HR3770 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 HR3770 is -0.022 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR3770 from the Sun and relative movement
HR3770 is distant 763.47 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.
Spectral properties of HR3770
HR3770 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR3770 is situated in the Hertzsprung–Russell diagram.
HR3770 star system properties
HR3770 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3770 double sysyem: