HR4015

Below the horizon. Never rises today

Alt: -13.70° Az: 140.04° Direction: South-East

HR4015 is a double giant star of spectral class K1 in the constellation of Antlia.

HR4015 visual magnitude is 5.9. Because of its faintness, HR4015 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 HR4015. The red arrow shows the motion of HR4015 during the next 10000 years (-13.00 arcmin in Right Ascension and 2.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 14m 49s

Declination -40° 28’ 09”

Hour Angle 20h 19m 32s

Sideral Time 06h 34m 22s

J2000

Right Ascension 10h 13m 45s

Declination -40° 20’ 44”

Galactic Coordinates

Galactic Longitude 273.12°

Galactic Latitude 13.23°

Finder Chart

Simplified finder chart for HR4015.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.9

Class Giant

Absolute magnitude 0.20

Spectral Type K1III

Color Index (B-V) 1.21

Temperature 4289K

The red dot in the diagram below shows where HR4015 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4015. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4015 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 HR4015 double sysyem:

Main star magnitude 5.9

Secondary star magnitude 12.9

Magnitude difference 7

Separation 4.7 arcsec

Distance, Radial Speed, Proper Motion

HR4015 is distant 450.28 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 138.12

Distance (light year) 450.28

Radial Speed 18 km/s

Proper Motion RA -0.078 arcsec/y

Proper Motion Dec 0.017"/y

Alternative Designations

Henry Draper Catalogue HD88809

SAO Catalogue SAO221877

Hipparcos Catalogue HIP50103

Durchmusterung Catalogue CD-39 6222

Visibility from Your Location

HR4015 is currently not visible from Greenwich, UK

Set Location

Other stars in Antlia