HR238

Above the horizon. Circumpolar today

Alt: 40.66° Az: 54.50° Direction: North-East

HR238 is a variable sub-giant star of spectral class F2 in the constellation of Cassiopeia.

HR238 visual magnitude is 6.39. Because of its faintness, HR238 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 HR238. The red arrow shows the motion of HR238 during the next 1000 years (2.25 arcmin in Right Ascension and -0.05 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 52m 22s

Declination +51° 38’ 33”

Hour Angle 18h 22m 37s

Sidereal Time 19h 15m 00s

J2000

Right Ascension 00h 50m 57s

Declination +51° 30’ 29”

Galactic Coordinates

Galactic Longitude 122.85°

Galactic Latitude -11.36°

Finder Chart

Simplified finder chart for HR238.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Sub-giant

Absolute magnitude 2.27

Spectral Type F2IV

Color Index (B-V) 0.28

Temperature 7591K

The red dot in the diagram below shows where HR238 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR238. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR238 is distant 217.33 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 66.67

Distance (light year) 217.33

Radial Speed 2 km/s

Proper Motion RA 0.135 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Henry Draper Catalogue HD4818

SAO Catalogue SAO21767

Hipparcos Catalogue HIP3965

Durchmusterung Catalogue BD+50 161

General Catalogue of Variable Stars V526 Cas

Visibility from Your Location

HR238 is circumpolar and transits at 23:20 UTC (altitude: 89.8°)

Set Location

Other stars in Cassiopeia