HR4049

Below the horizon. Rise: 16:19 | Tran: 19:20 | Set: 22:22

Alt: -18.50° Az: 246.20° Direction: West-South-West

HR4049 is a variable hypergiant star of spectral class A0 in the constellation of Antlia.

HR4049 visual magnitude is 5.34. Because of its faintness, HR4049 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 HR4049. The red arrow shows the motion of HR4049 during the next 10000 years (-1.67 arcmin in Right Ascension and 2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 19m 17s

Declination -29° 07’ 10”

Hour Angle 05h 33m 13s

Sidereal Time 15h 52m 31s

J2000

Right Ascension 10h 18m 07s

Declination -28° 59’ 30”

Galactic Coordinates

Galactic Longitude 266.85°

Galactic Latitude 22.93°

Finder Chart

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Finder chart for HR4049.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.34

Class Hypergiant

Absolute magnitude -3.78

Spectral Type A0I

Color Index (B-V) 0.24

Temperature 7866K

The red dot in the diagram below shows where HR4049 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4049. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4049 is distant 2,173.33 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

Distance (parsec) 666.67

Distance (light year) 2,173.33

Radial Speed -33 km/s

Proper Motion RA -0.01 arcsec/y

Proper Motion Dec 0.012"/y

Alternative Designations

Henry Draper Catalogue HD89353

SAO Catalogue SAO178644

Hipparcos Catalogue HIP50456

Durchmusterung Catalogue CD-28 8070

FK5 Catalogue 1265

General Catalogue of Variable Stars AG Ant

Visibility from Your Location

Today's HR4049 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 119.1° RISE 16:19

Max altitude: 9.4° TRANSIT 19:20

Azimuth: 240.9° SET 22:22

Set Location

Other stars in Antlia