64 Orionis

64 Orionis is a variable and multiple giant star in the constellation of Orion.

64 Orionis visual magnitude is 5.14. Because of its reltive faintness, 64 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 64 Orionis:

Color of 64 Orionis ⬤

Magnitude of 64 Orionis 5.14

Class Giant

VISIBILITY RIGHT NOW 64 Orionis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 64 Orionis

64 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 64 Orionis are provided in the following table:

Right Ascension J2000 06h 03m 27s

Declination J2000 +19° 41’ 26”

Galactic Longitude 190.03°

Galactic Latitude -1.18°

Constellation Orion

The simplified sky map below shows the position of 64 Orionis in the sky:

Simplified finder chart for 64 Orionis.

Visibility of 64 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 64 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: 70.3° RISE 6:40

Max altitude: 58.2° TRANSIT 14:24

Azimuth: 289.7° SET 22:08

RIGHT NOW 64 Orionis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 64 Orionis

The image below is a photograph of 64 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 64 Orionis is -0.001 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 64 Orionis. The red arrow shows the motion of 64 Orionis during the next 10000 years (-0.17 arcmin in Right Ascension and -2.83 arcmin in declination);

Distance of 64 Orionis from the Sun and relative movement

64 Orionis is distant 1,068.85 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 327.87 pc

Distance (light year) 1,068.85 ly

Heliocentric radial velocity 12 km/s

Proper Motion RA -0.001 arcsec/year

Proper Motion Dec -0.017 arcsec/year

Spectral properties of 64 Orionis

64 Orionis belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -2.44

Spectral Type B8III

Color Index (B-V) -0.11

Temperature of 64 Orionis 11744K

The red dot in the diagram below shows where 64 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 64 Orionis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 64 Orionis

Flamsteed designation 64 Orionis

Henry Draper Catalogue HD41040

SAO Catalogue SAO95166

Hipparcos Catalogue HIP28691

Durchmusterung Catalogue BD+19 1186

General Catalogue of Variable Stars 2803

In Evidence

Other stars in Orion