HR1238

Above the horizon. Rise: 5:25 | Tran: 13:00 | Set: 20:36

Alt: 53.52° Az: 148.52° Direction: South-South-East

HR1238 is a double main-sequence star of spectral class F4 in the constellation of Taurus.

HR1238 visual magnitude is 5.89. Because of its faintness, HR1238 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 HR1238. The red arrow shows the motion of HR1238 during the next 1000 years (2.20 arcmin in Right Ascension and -0.47 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 02m 16s

Declination +18° 15’ 49”

Hour Angle 22h 43m 40s

Sidereal Time 02h 45m 57s

J2000

Right Ascension 04h 00m 48s

Declination +18° 11’ 38”

Galactic Coordinates

Galactic Longitude 173.65°

Galactic Latitude -25.5°

Finder Chart

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Finder chart for HR1238.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.89

Class Main-sequence

Absolute magnitude 2.60

Spectral Type F4V

Color Index (B-V) 0.32

Temperature 7337K

The red dot in the diagram below shows where HR1238 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1238. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1238 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR1238 double sysyem:

Main star magnitude 5.89

Secondary star magnitude 9.19

Magnitude difference 3.3

Separation 164.2 arcsec

Distance, Radial Speed, Proper Motion

HR1238 is distant 148.25 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

Distance (parsec) 45.48

Distance (light year) 148.25

Radial Speed 25 km/s

Proper Motion RA 0.132 arcsec/y

Proper Motion Dec -0.028"/y

Alternative Designations

Henry Draper Catalogue HD25202

SAO Catalogue SAO93721

Hipparcos Catalogue HIP18735

Durchmusterung Catalogue BD+17 666

FK5 Catalogue 2288

Visibility from Your Location

Today's HR1238 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.7° RISE 5:25

Max altitude: 56.8° TRANSIT 13:00

Azimuth: 288.3° SET 20:36

Set Location

Other stars in Taurus