16 Orionis

Above the horizon. Rise: 7:40 | Tran: 14:28 | Set: 21:16

Alt: 9.97° Az: 86.66° Direction: East

16 Orionis is a variable and multiple star of spectral class A2 in the constellation of Orion.

16 Orionis visual magnitude is 5.43. Because of its faintness, 16 Orionis 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 16 Orionis. The red arrow shows the motion of 16 Orionis during the next 10000 years (10.67 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 10m 43s

Declination +09° 51’ 36”

Hour Angle 18h 14m 38s

Sidereal Time 23h 25m 21s

J2000

Right Ascension 05h 09m 19s

Declination +09° 49’ 45”

Galactic Coordinates

Galactic Longitude 191.69°

Galactic Latitude -17.46°

Finder Chart

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Finder chart for 16 Orionis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.43

Class

Absolute magnitude 1.77

Spectral Type A2

Color Index (B-V) 0.24

Temperature 7866K

The red dot in the diagram below shows where 16 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 16 Orionis. Attribution: Richard Powell / CC BY-SA

Star System Properties

16 Orionis 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 16 Orionis double sysyem:

Main star magnitude 5.43

Secondary star magnitude 9.93

Magnitude difference 4.5

Separation 168 arcsec

Distance, Radial Speed, Proper Motion

16 Orionis is distant 175.84 light years from the Sun and it is moving far from the Sun at the speed of 37 kilometers per second.

Distance (parsec) 53.94

Distance (light year) 175.84

Radial Speed 37 km/s

Proper Motion RA 0.064 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Flamsteed designation 16 Orionis

Henry Draper Catalogue HD33254

SAO Catalogue SAO112467

Hipparcos Catalogue HIP23983

Durchmusterung Catalogue BD+09 743

FK5 Catalogue 1142

General Catalogue of Variable Stars 1849

Visibility from Your Location

Today's 16 Orionis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.1° RISE 7:40

Max altitude: 48.4° TRANSIT 14:28

Azimuth: 279.9° SET 21:16

Set Location

Other stars in Orion