HR4874

Below the horizon. Rise: 11:46 | Tran: 13:52 | Set: 15:58

Alt: -33.69° Az: 104.20° Direction: East-South-East

HR4874 is a double hypergiant star of spectral class A0 in the constellation of Centaurus.

HR4874 visual magnitude is 4.91. Because of its moderate brightness, HR4874 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR4874. The red arrow shows the motion of HR4874 during the next 10000 years (-4.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 52m 02s

Declination -34° 08’ 01”

Hour Angle 17h 08m 07s

Sideral Time 06h 00m 09s

J2000

Right Ascension 12h 50m 41s

Declination -33° 59’ 57”

Galactic Coordinates

Galactic Longitude 302.75°

Galactic Latitude 28.87°

Finder Chart

Simplified finder chart for HR4874.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.91

Class Hypergiant

Absolute magnitude -0.47

Spectral Type A0IV

Color Index (B-V) -0.04

Temperature 10653K

The red dot in the diagram below shows where HR4874 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4874. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4874 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 HR4874 double sysyem:

Main star magnitude 4.91

Secondary star magnitude 14.91

Magnitude difference 10

Separation 27.6 arcsec

Distance, Radial Speed, Proper Motion

HR4874 is distant 388.56 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 119.19

Distance (light year) 388.56

Radial Speed 4 km/s

Proper Motion RA -0.028 arcsec/y

Proper Motion Dec -0.02"/y

Alternative Designations

Henry Draper Catalogue HD111597

SAO Catalogue SAO203863

Hipparcos Catalogue HIP62683

Durchmusterung Catalogue CD-33 8653

FK5 Catalogue 1331

Visibility from Your Location

Today's HR4874 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.1° RISE 11:46

Max altitude: 4.4° TRANSIT 13:52

Azimuth: 235.9° SET 15:58

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Centaurus