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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
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All Constellations » Orion » 

ψ2 Orionis (psi2 Orionis)

Altitude: 0.8°   Azimuth: 86.1°   Direction: East

ψ2 Orionis is a variable and multiple sub-giant star in the constellation of Orion.

ψ2 Orionis visual magnitude is 4.59. Because of its moderate brightness, ψ2 Orionis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ψ2 Orionis:


ψ2 Orionis (psi2 Orionis) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.8°
Azimuth: 86.1°
Direction: East

Celestial coordinates and finder chart of ψ2 Orionis

ψ2 Orionis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ψ2 Orionis are provided in the following table:

05h 26m 50s
+03° 05’ 44”

The simplified sky map below shows the position of ψ2 Orionis in the sky:

Finder chart ψ2 Orionis (psi2 Orionis) star
Simplified finder chart for ψ2 Orionis (psi2 Orionis).

Visibility of ψ2 Orionis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's ψ2 Orionis (psi2 Orionis) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 86.9°
Max altitude: 41.6°
Azimuth: 273.1°

Digitized Sky Survey image of ψ2 Orionis

The image below is a photograph of ψ2 Orionis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of ψ2 Orionis is 0.002 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of ψ2 Orionis (psi2 Orionis) star
DSS2 image of ψ2 Orionis. The red arrow shows the motion of ψ2 Orionis during the next 100000 years (3.33 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of ψ2 Orionis from the Sun and relative movement

ψ2 Orionis is distant 1,417.39 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

434.78 pc
1,417.39 ly
12 km/s
0.002 arcsec/year
-0.004 arcsec/year

Spectral properties of ψ2 Orionis

ψ2 Orionis belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where ψ2 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ψ2 Orionis. Attribution: Richard Powell / CC BY-SA

ψ2 Orionis star system properties

ψ2 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 ψ2 Orionis double sysyem:

2.7 arcsec

Alternative designations of ψ2 Orionis

ψ2 Orionis
(psi2 Orionis)