72 Orionis

Altitude: 18.1° Azimuth: 86.6° Direction: East

72 Orionis is a main-sequence star in the constellation of Orion.

72 Orionis visual magnitude is 5.3. Because of its reltive faintness, 72 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 72 Orionis:

Color of 72 Orionis ⬤

Magnitude of 72 Orionis 5.3

Class Main-sequence

VISIBILITY RIGHT NOW

72 Orionis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 18.1°
Azimuth: 86.6°
Direction: East

Celestial coordinates and finder chart of 72 Orionis

72 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 72 Orionis are provided in the following table:

Right Ascension J2000 06h 15m 25s

Declination J2000 +16° 08’ 35”

Galactic Longitude 194.51°

Galactic Latitude -0.4°

Constellation Orion

The simplified sky map below shows the position of 72 Orionis in the sky:

Simplified finder chart for 72 Orionis.

Visibility of 72 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 72 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: 73.9° RISE 17:42

Max altitude: 54.7° TRANSIT 1:09

Azimuth: 286.1° SET 8:32

Digitized Sky Survey image of 72 Orionis

The image below is a photograph of 72 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 72 Orionis is 0.003 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 72 Orionis. The red arrow shows the motion of 72 Orionis during the next 10000 years (0.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of 72 Orionis from the Sun and relative movement

72 Orionis is distant 479.41 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

Distance (parsec) 147.06 pc

Distance (light year) 479.41 ly

Heliocentric radial velocity 22 km/s

Proper Motion RA 0.003 arcsec/year

Proper Motion Dec -0.012 arcsec/year

Spectral properties of 72 Orionis

72 Orionis belongs to spectral class B7 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -0.54

Spectral Type B7V

Color Index (B-V) -0.14

Temperature of 72 Orionis 12293K

The red dot in the diagram below shows where 72 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 72 Orionis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 72 Orionis

Flamsteed designation 72 Orionis

Henry Draper Catalogue HD43153

SAO Catalogue SAO95447

Hipparcos Catalogue HIP29704

Durchmusterung Catalogue BD+16 1060

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In Evidence

Other stars in Orion