71 Orionis

Altitude: 54.2° Azimuth: 212.8° Direction: South-South-West

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

71 Orionis visual magnitude is 5.2. Because of its reltive faintness, 71 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 71 Orionis:

Color of 71 Orionis ⬤

Magnitude of 71 Orionis 5.2

Class Main-sequence

VISIBILITY RIGHT NOW

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

Altitude: 54.2°
Azimuth: 212.8°
Direction: South-South-West

Celestial coordinates and finder chart of 71 Orionis

71 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 71 Orionis are provided in the following table:

Right Ascension J2000 06h 14m 50s

Declination J2000 +19° 09’ 23”

Galactic Longitude 191.8°

Galactic Latitude 0.92°

Constellation Orion

The simplified sky map below shows the position of 71 Orionis in the sky:

Simplified finder chart for 71 Orionis.

Visibility of 71 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 71 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: 70.8° RISE 22:43

Max altitude: 57.7° TRANSIT 6:28

Azimuth: 289.2° SET 14:09

Digitized Sky Survey image of 71 Orionis

The image below is a photograph of 71 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 71 Orionis is -0.098 arcsec per year in Right Ascension and -0.188 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of 71 Orionis. The red arrow shows the motion of 71 Orionis during the next 1000 years (-1.63 arcmin in Right Ascension and -3.13 arcmin in declination);

Distance of 71 Orionis from the Sun and relative movement

71 Orionis is distant 68.88 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

Distance (parsec) 21.13 pc

Distance (light year) 68.88 ly

Heliocentric radial velocity 36 km/s

Proper Motion RA -0.098 arcsec/year

Proper Motion Dec -0.188 arcsec/year

Spectral properties of 71 Orionis

71 Orionis belongs to spectral class F6 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 3.58

Spectral Type F6V

Color Index (B-V) 0.44

Temperature of 71 Orionis 6674K

The red dot in the diagram below shows where 71 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 71 Orionis. Attribution: Richard Powell / CC BY-SA

71 Orionis star system properties

71 Orionis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 71 Orionis double sysyem:

Main star magnitude 5.2

Secondary star magnitude 10.8

Magnitude difference 5.6

Separation 25.4 arcsec

Alternative designations of 71 Orionis

Flamsteed designation 71 Orionis

Henry Draper Catalogue HD43042

SAO Catalogue SAO95432

Hipparcos Catalogue HIP29650

Durchmusterung Catalogue BD+19 1270

Gliese Catalogue NN 3390

Aitken Double Star Catalogue ADS4842

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