HR4019

Below the horizon. Never rises today

Alt: -39.73° Az: 108.06° Direction: East-South-East

HR4019 is a double giant star of spectral class G8 in the constellation of Antlia.

HR4019 visual magnitude is 6.35. Because of its faintness, HR4019 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 HR4019. The red arrow shows the motion of HR4019 during the next 10000 years (-4.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 15m 00s

Declination -40° 26’ 02”

Hour Angle 16h 55m 27s

Sideral Time 03h 10m 27s

J2000

Right Ascension 10h 13m 56s

Declination -40° 18’ 38”

Galactic Coordinates

Galactic Longitude 273.13°

Galactic Latitude 13.28°

Finder Chart

Simplified finder chart for HR4019.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.35

Class Giant

Absolute magnitude 0.66

Spectral Type G8III

Color Index (B-V) 0.94

Temperature 4892K

The red dot in the diagram below shows where HR4019 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4019. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4019 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 HR4019 double sysyem:

Main star magnitude 6.35

Secondary star magnitude 13.35

Magnitude difference 7

Separation 12.7 arcsec

Distance, Radial Speed, Proper Motion

HR4019 is distant 448.42 light years from the Sun

Distance (parsec) 137.55

Distance (light year) 448.42

Proper Motion RA -0.026 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD88836

SAO Catalogue SAO221883

Hipparcos Catalogue HIP50122

Durchmusterung Catalogue CD-39 6225

Visibility from Your Location

HR4019 is currently not visible from Greenwich, UK

Set Location

Other stars in Antlia