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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Orion » 

ζ Orionis (zeta Orionis)

Below the horizon.  Rise: 8:51 | Tran: 14:40 | Set: 20:28
Alt: -2.97°   Az: 89.36°   Direction: East

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

ζ Orionis visual magnitude is 4.21. Because of its moderate brightness, ζ 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.

Image of ζ Orionis (zeta Orionis) star
DSS2 image of ζ Orionis. The red arrow shows the motion of ζ Orionis during the next 100000 years (6.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

05h 42m 02s
-01° 55’ 52”
17h 50m 35s
23h 32m 38s

J2000

05h 40m 45s
-01° 56’ 34”

Galactic Coordinates

206.45°
-16.59°

Finder Chart

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Finder chart for ζ Orionis (zeta Orionis).

Magnitude, Color, Spectral Class

4.21
Hypergiant

B0III
10125K

Star System Properties

ζ 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 ζ Orionis double sysyem:

4.21
6.41
2.2
2.4 arcsec

Alternative Designations

ζ Orionis
(zeta Orionis)

Visibility from Your Location

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

Azimuth: 91.9°
Max altitude: 36.6°
Azimuth: 268.1°