HR228

Below the horizon. Rise: 20:51 | Tran: 0:34 | Set: 4:20

Alt: -4.90° Az: 123.21° Direction: East-South-East

HR228 is a double giant star of spectral class K2 in the constellation of Cetus.

HR228 visual magnitude is 5.9. Because of its faintness, HR228 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 HR228. The red arrow shows the motion of HR228 during the next 10000 years (13.00 arcmin in Right Ascension and -8.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 50m 26s

Declination -24° 00’ 06”

Hour Angle 19h 36m 36s

Sideral Time 20h 27m 03s

J2000

Right Ascension 00h 49m 13s

Declination -24° 08’ 11”

Galactic Coordinates

Galactic Longitude 113.36°

Galactic Latitude -86.97°

Finder Chart

Simplified finder chart for HR228.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.9

Class Giant

Absolute magnitude 2.14

Spectral Type K2III

Color Index (B-V) 0.95

Temperature 4866K

The red dot in the diagram below shows where HR228 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR228. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR228 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 HR228 double sysyem:

Main star magnitude 5.9

Secondary star magnitude 13.6

Magnitude difference 7.7

Separation 8.8 arcsec

Distance, Radial Speed, Proper Motion

HR228 is distant 184.18 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 56.50

Distance (light year) 184.18

Radial Speed 23 km/s

Proper Motion RA 0.078 arcsec/y

Proper Motion Dec -0.051"/y

Alternative Designations

Henry Draper Catalogue HD4732

SAO Catalogue SAO166602

Hipparcos Catalogue HIP3834

Durchmusterung Catalogue CD-24 345

Aitken Double Star Catalogue ADS679

Visibility from Your Location

Today's HR228 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 114.0° RISE 20:51

Max altitude: 14.5° TRANSIT 0:34

Azimuth: 246.0° SET 4:20

Set Location

Other stars in Cetus