HR3817
HR3817 is a double sub-giant star in the constellation of Vela.
HR3817 visual magnitude is 5.12. Because of its reltive faintness, HR3817 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of HR3817 is -0.016 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about HR3817
HR3817 is below the horizon from Greenwich, United Kingdom.
Altitude: -37.6°
Azimuth: 235.8°
Direction: South-West
Celestial coordinates and finder chart of HR3817
HR3817 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 HR3817 are provided in the following table:
The simplified sky map below shows the position of HR3817 in the sky:
Visibility of HR3817 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR3817 is currently not visible from Greenwich, United Kingdom
Distance of HR3817 from the Sun and relative movement
HR3817 is distant 958.82 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.
Spectral properties of HR3817
HR3817 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 HR3817 is situated in the HertzsprungāRussell diagram.
HR3817 star system properties
HR3817 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR3817 double sysyem: