HR1947

Below the horizon. Never rises today

Alt: -62.43° Az: 278.29° Direction: West

HR1947 is a main-sequence star of spectral class B8 in the constellation of Columba.

HR1947 visual magnitude is 5.82. Because of its faintness, HR1947 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR1947. The red arrow shows the motion of HR1947 during the next 100000 years (-8.33 arcmin in Right Ascension and 15.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 39m 31s

Declination -40° 41’ 41”

Hour Angle 09h 31m 22s

Sideral Time 15h 10m 53s

J2000

Right Ascension 05h 38m 43s

Declination -40° 42’ 27”

Galactic Coordinates

Galactic Longitude 246.21°

Galactic Latitude -30.52°

Finder Chart

Simplified finder chart for HR1947.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.82

Class Main-sequence

Absolute magnitude -0.07

Spectral Type B8V

Color Index (B-V) -0.09

Temperature 11407K

The red dot in the diagram below shows where HR1947 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1947. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1947 is distant 490.23 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 150.38

Distance (light year) 490.23

Radial Speed 4 km/s

Proper Motion RA -0.005 arcsec/y

Proper Motion Dec 0.009"/y

Alternative Designations

Henry Draper Catalogue HD37717

SAO Catalogue SAO217450

Hipparcos Catalogue HIP26545

Durchmusterung Catalogue CD-40 1999

Visibility from Your Location

HR1947 is currently not visible from Greenwich, UK

Set Location

Other stars in Columba