HR2251

Above the horizon. Rise: 8:53 | Tran: 15:16 | Set: 21:40

Alt: 29.21° Az: 122.62° Direction: East-South-East

HR2251 is a variable and multiple main-sequence star of spectral class F9 in the constellation of Orion.

HR2251 visual magnitude is 5.71. Because of its faintness, HR2251 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 HR2251. The red arrow shows the motion of HR2251 during the next 1000 years (-3.60 arcmin in Right Ascension and 2.65 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 18m 37s

Declination +05° 05’ 21”

Hour Angle 20h 49m 43s

Sidereal Time 03h 08m 20s

J2000

Right Ascension 06h 17m 16s

Declination +05° 06’ 01”

Galactic Coordinates

Galactic Longitude 204.47°

Galactic Latitude -5.23°

Finder Chart

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Finder chart for HR2251.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.71

Class Main-sequence

Absolute magnitude 4.28

Spectral Type F9V

Color Index (B-V) 0.61

Temperature 5929K

The red dot in the diagram below shows where HR2251 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2251. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2251 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2251 double sysyem:

Main star magnitude 5.71

Secondary star magnitude 9.61

Magnitude difference 3.9

Separation 189.7 arcsec

Distance, Radial Speed, Proper Motion

HR2251 is distant 62.98 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 19.32

Distance (light year) 62.98

Radial Speed 13 km/s

Proper Motion RA -0.216 arcsec/y

Proper Motion Dec 0.159"/y

Alternative Designations

Henry Draper Catalogue HD43587

SAO Catalogue SAO113683

Hipparcos Catalogue HIP29860

Durchmusterung Catalogue BD+05 1168

Gliese Catalogue Gl 231.1A

General Catalogue of Variable Stars 2896

Visibility from Your Location

Today's HR2251 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.9° RISE 8:53

Max altitude: 43.6° TRANSIT 15:16

Azimuth: 275.1° SET 21:40

Set Location

Other stars in Orion