HR4838

Below the horizon. Rise: 10:41 | Tran: 12:07 | Set: 13:33

Alt: -14.08° Az: 228.00° Direction: South-West

HR4838 is a hypergiant star of spectral class A0 in the constellation of Centaurus.

HR4838 visual magnitude is 6.39. Because of its faintness, HR4838 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 HR4838. The red arrow shows the motion of HR4838 during the next 10000 years (2.17 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 45m 19s

Declination -36° 29’ 04”

Hour Angle 04h 14m 48s

Sidereal Time 17h 00m 07s

J2000

Right Ascension 12h 43m 58s

Declination -36° 20’ 57”

Galactic Coordinates

Galactic Longitude 301.25°

Galactic Latitude 26.5°

Finder Chart

Simplified finder chart for HR4838.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Hypergiant

Absolute magnitude -0.98

Spectral Type A0V

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where HR4838 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4838. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4838 is distant 973.13 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 298.51

Distance (light year) 973.13

Radial Speed -1 km/s

Proper Motion RA 0.013 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Henry Draper Catalogue HD110653

SAO Catalogue SAO203756

Hipparcos Catalogue HIP62128

Durchmusterung Catalogue CD-35 8155

FK5 Catalogue 3016

Visibility from Your Location

Today's HR4838 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.5° RISE 10:41

Max altitude: 2.0° TRANSIT 12:07

Azimuth: 233.5° SET 13:33

Set Location

Other stars in Centaurus