5 Orionis

Altitude: -31.4° Azimuth: 31.8° Direction: North-North-East

5 Orionis is a variable giant star in the constellation of Orion.

5 Orionis visual magnitude is 5.33. Because of its reltive faintness, 5 Orionis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 5 Orionis:

Color of 5 Orionis ⬤

Magnitude of 5 Orionis 5.33

Class Giant

VISIBILITY RIGHT NOW

5 Orionis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -31.4°
Azimuth: 31.8°
Direction: North-North-East

Celestial coordinates and finder chart of 5 Orionis

5 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 5 Orionis are provided in the following table:

Right Ascension J2000 04h 53m 22s

Declination J2000 +02° 30’ 29”

Galactic Longitude 196.08°

Galactic Latitude -24.71°

Constellation Orion

The simplified sky map below shows the position of 5 Orionis in the sky:

Simplified finder chart for 5 Orionis.

Visibility of 5 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 5 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: 87.5° RISE 6:32

Max altitude: 41.0° TRANSIT 12:43

Azimuth: 272.5° SET 18:53

RIGHT NOW 5 Orionis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 5 Orionis

The image below is a photograph of 5 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 5 Orionis is 0.034 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 5 Orionis. The red arrow shows the motion of 5 Orionis during the next 10000 years (5.67 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of 5 Orionis from the Sun and relative movement

5 Orionis is distant 637.96 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 195.69 pc

Distance (light year) 637.96 ly

Heliocentric radial velocity 13 km/s

Proper Motion RA 0.034 arcsec/year

Proper Motion Dec -0.019 arcsec/year

Spectral properties of 5 Orionis

5 Orionis belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.13

Spectral Type M1III

Color Index (B-V) 1.64

Temperature of 5 Orionis 3594K

The red dot in the diagram below shows where 5 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 5 Orionis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 5 Orionis

Flamsteed designation 5 Orionis

Henry Draper Catalogue HD31139

SAO Catalogue SAO112179

Hipparcos Catalogue HIP22730

Durchmusterung Catalogue BD+02 800

General Catalogue of Variable Stars 1755

In Evidence

Other stars in Orion