λ Orionis (lambda Orionis)

Above the horizon. Rise: 6:23 | Tran: 13:12 | Set: 20:00

Alt: 41.47° Az: 222.27° Direction: South-West

λ Orionis is a variable and multiple hypergiant star of spectral class B0 in the constellation of Orion.

λ Orionis visual magnitude is 5.61. Because of its faintness, λ 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.

Image of λ Orionis (lambda Orionis) star

DSS2 image of λ Orionis. The red arrow shows the motion of λ Orionis during the next 100000 years (1.67 arcmin in Right Ascension and -10.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 36m 32s

Declination +09° 56’ 59”

Hour Angle 02h 03m 05s

Sidereal Time 07h 39m 38s

J2000

Right Ascension 05h 35m 08s

Declination +09° 56’ 06”

Galactic Coordinates

Galactic Longitude 195.05°

Galactic Latitude -12°

Finder Chart

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Finder chart for λ Orionis (lambda Orionis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.61

Class Hypergiant

Spectral Type B0V

Color Index (B-V) 0.04

Temperature 9652K

Star System Properties

λ 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 λ Orionis double sysyem:

Main star magnitude 5.61

Secondary star magnitude 7.61

Magnitude difference 2

Separation 4.4 arcsec

Alternative Designations

Bayer designation λ Orionis
(lambda Orionis)

Flamsteed designation 39 Orionis

Henry Draper Catalogue HD36862

Durchmusterung Catalogue BD+09 879

General Catalogue of Variable Stars 2240

Aitken Double Star Catalogue ADS4179

Visibility from Your Location

Today's λ Orionis (lambda 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 6:23

Max altitude: 48.5° TRANSIT 13:12

Azimuth: 279.9° SET 20:00

Set Location

Other stars in Orion