HR3921 is a star in the constellation of Hydra.
HR3921 visual magnitude is 6.24. Because of its reltive faintness, HR3921 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 HR3921:
HR3921 is above the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR3921
HR3921 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 HR3921 are provided in the following table:
The simplified sky map below shows the position of HR3921 in the sky:
Visibility of HR3921 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR3921 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 HR3921
The image below is a photograph of HR3921 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 HR3921 is -0.038 arcsec per year in Right Ascension and -0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR3921 from the Sun and relative movement
HR3921 is distant 457.22 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.
Spectral properties of HR3921
HR3921 belongs to spectral class A2
The red dot in the diagram below shows where HR3921 is situated in the Hertzsprung–Russell diagram.