33 Orionis

Above the horizon. Rise: 18:08 | Tran: 0:27 | Set: 6:42

Alt: 18.89° Az: 109.39° Direction: East-South-East

33 Orionis is a multiple sub-giant star of spectral class B1 in the constellation of Orion.

33 Orionis visual magnitude is 5.46. Because of its faintness, 33 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 33 Orionis. The red arrow shows the motion of 33 Orionis during the next 100000 years (1.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 32m 33s

Declination +03° 18’ 33”

Hour Angle 19h 46m 30s

Sidereal Time 01h 19m 03s

J2000

Right Ascension 05h 31m 14s

Declination +03° 17’ 31”

Galactic Coordinates

Galactic Longitude 200.48°

Galactic Latitude -16.17°

Finder Chart

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Finder chart for 33 Orionis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.46

Class Sub-giant

Absolute magnitude -2.95

Spectral Type B1IV

Color Index (B-V) -0.18

Temperature 13121K

The red dot in the diagram below shows where 33 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 33 Orionis. Attribution: Richard Powell / CC BY-SA

Star System Properties

33 Orionis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 33 Orionis double sysyem:

Main star magnitude 5.46

Secondary star magnitude 6.46

Magnitude difference 1

Separation 1.9 arcsec

Distance, Radial Speed, Proper Motion

33 Orionis is distant 1,567.31 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

Distance (parsec) 480.77

Distance (light year) 1,567.31

Radial Speed 20 km/s

Proper Motion RA 0.001 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Flamsteed designation 33 Orionis

Henry Draper Catalogue HD36351

SAO Catalogue SAO112861

Hipparcos Catalogue HIP25861

Durchmusterung Catalogue BD+03 948

Aitken Double Star Catalogue ADS4123

Visibility from Your Location

Today's 33 Orionis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 86.7° RISE 18:08

Max altitude: 41.8° TRANSIT 0:27

Azimuth: 273.3° SET 6:42

Set Location

Other stars in Orion