HR1243

Above the horizon. Rise: 22:54 | Tran: 5:48 | Set: 12:37

Alt: 4.76° Az: 79.80° Direction: East

HR1243 is a multiple main-sequence star of spectral class B5 in the constellation of Taurus.

HR1243 visual magnitude is 5.67. Because of its faintness, HR1243 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 HR1243. The red arrow shows the motion of HR1243 during the next 100000 years (8.33 arcmin in Right Ascension and -8.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 03m 07s

Declination +10° 03’ 54”

Hour Angle 17h 39m 51s

Sideral Time 21h 42m 58s

J2000

Right Ascension 04h 01m 46s

Declination +09° 59’ 52”

Galactic Coordinates

Galactic Longitude 180.76°

Galactic Latitude -30.8°

Finder Chart

Simplified finder chart for HR1243.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.67

Class Main-sequence

Absolute magnitude -0.52

Spectral Type B5V

Color Index (B-V) 0.02

Temperature 9882K

The red dot in the diagram below shows where HR1243 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1243. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1243 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1243 double sysyem:

Main star magnitude 5.67

Secondary star magnitude 10.87

Magnitude difference 5.2

Separation 12 arcsec

Distance, Radial Speed, Proper Motion

HR1243 is distant 564.99 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 173.31

Distance (light year) 564.99

Radial Speed 3 km/s

Proper Motion RA 0.005 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Henry Draper Catalogue HD25330

SAO Catalogue SAO111566

Hipparcos Catalogue HIP18805

Durchmusterung Catalogue BD+09 528

Aitken Double Star Catalogue ADS2938

Visibility from Your Location

Today's HR1243 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 79.9° RISE 22:54

Max altitude: 48.6° TRANSIT 5:48

Azimuth: 280.1° SET 12:37

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

Location

Other stars in Taurus