ξ Orionis (xi Orionis)

Altitude: -7.7° Azimuth: 304.5° Direction: North-West

ξ Orionis is a multiple sub-giant star in the constellation of Orion.

ξ Orionis visual magnitude is 4.48. Because of its moderate brightness, ξ 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 ξ Orionis:

Color of ξ Orionis ⬤

Magnitude of ξ Orionis 4.48

Class Sub-giant

VISIBILITY RIGHT NOW

ξ Orionis (xi Orionis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -7.7°
Azimuth: 304.5°
Direction: North-West

Celestial coordinates and finder chart of ξ Orionis

ξ 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 ξ Orionis are provided in the following table:

Right Ascension J2000 06h 11m 56s

Declination J2000 +14° 12’ 32”

Galactic Longitude 195.81°

Galactic Latitude -2.06°

Constellation Orion

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

Finder chart ξ Orionis (xi Orionis) star

Simplified finder chart for ξ Orionis (xi Orionis).

Visibility of ξ 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 ξ Orionis (xi 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: 75.8° RISE 23:29

Max altitude: 52.7° TRANSIT 6:44

Azimuth: 284.2° SET 13:56

Digitized Sky Survey image of ξ Orionis

The image below is a photograph of ξ 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 ξ Orionis is 0.003 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of ξ Orionis. The red arrow shows the motion of ξ Orionis during the next 10000 years (0.50 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of ξ Orionis from the Sun and relative movement

ξ Orionis is distant 634.24 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

Distance (parsec) 194.55 pc

Distance (light year) 634.24 ly

Heliocentric radial velocity 24 km/s

Proper Motion RA 0.003 arcsec/year

Proper Motion Dec -0.02 arcsec/year

Spectral properties of ξ Orionis

ξ Orionis belongs to spectral class B3 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -1.97

Spectral Type B3IV

Color Index (B-V) -0.18

Temperature of ξ Orionis 13121K

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

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

ξ Orionis star system properties

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

Main star magnitude 4.48

Secondary star magnitude 12.38

Magnitude difference 7.9

Separation 40 arcsec

Alternative designations of ξ Orionis

Bayer designation ξ Orionis
(xi Orionis)

Flamsteed designation 70 Orionis

Henry Draper Catalogue HD42560

SAO Catalogue SAO95362

Hipparcos Catalogue HIP29426

Durchmusterung Catalogue BD+14 1187

Support us

In Evidence

Other stars in Orion