51 Orionis

Above the horizon. Rise: 8:36 | Tran: 14:42 | Set: 20:47

Alt: 39.92° Az: 175.37° Direction: South

51 Orionis is a giant star of spectral class K1 in the constellation of Orion.

51 Orionis visual magnitude is 4.91. Because of its moderate brightness, 51 Orionis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of 51 Orionis. The red arrow shows the motion of 51 Orionis during the next 10000 years (-9.67 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 43m 47s

Declination +01° 29’ 06”

Hour Angle 23h 45m 47s

Sidereal Time 05h 29m 34s

J2000

Right Ascension 05h 42m 28s

Declination +01° 28’ 28”

Galactic Coordinates

Galactic Longitude 203.54°

Galactic Latitude -14.59°

Finder Chart

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Finder chart for 51 Orionis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.91

Class Giant

Absolute magnitude 0.08

Spectral Type K1III

Color Index (B-V) 1.17

Temperature 4368K

The red dot in the diagram below shows where 51 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 51 Orionis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

51 Orionis is distant 301.85 light years from the Sun and it is moving far from the Sun at the speed of 88 kilometers per second.

Distance (parsec) 92.59

Distance (light year) 301.85

Radial Speed 88 km/s

Proper Motion RA -0.058 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Flamsteed designation 51 Orionis

Henry Draper Catalogue HD37984

SAO Catalogue SAO113056

Hipparcos Catalogue HIP26885

Durchmusterung Catalogue BD+01 1105

FK5 Catalogue 2427

Visibility from Your Location

Today's 51 Orionis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.5° RISE 8:36

Max altitude: 40.0° TRANSIT 14:42

Azimuth: 271.5° SET 20:47

Set Location

Other stars in Orion