71 Ceti

Altitude: -32.3° Azimuth: 45.4° Direction: North-East

71 Ceti is a hypergiant star in the constellation of Cetus.

71 Ceti visual magnitude is 6.33. Because of its reltive faintness, 71 Ceti 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 Ceti:

Color of 71 Ceti ⬤

Magnitude of 71 Ceti 6.33

Class Hypergiant

VISIBILITY RIGHT NOW

71 Ceti is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -32.3°
Azimuth: 45.4°
Direction: North-East

Celestial coordinates and finder chart of 71 Ceti

71 Ceti 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 Ceti are provided in the following table:

Right Ascension J2000 02h 24m 58s

Declination J2000 -02° 46’ 47”

Galactic Longitude 169.53°

Galactic Latitude -56.93°

Constellation Cetus

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

Simplified finder chart for 71 Ceti.

Visibility of 71 Ceti 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 Ceti 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: 92.8° RISE 15:39

Max altitude: 35.7° TRANSIT 21:23

Azimuth: 267.2° SET 3:11

Digitized Sky Survey image of 71 Ceti

The image below is a photograph of 71 Ceti 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 Ceti is -0.001 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 71 Ceti. The red arrow shows the motion of 71 Ceti during the next 100000 years (-1.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of 71 Ceti from the Sun and relative movement

71 Ceti is distant 645.54 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 198.02 pc

Distance (light year) 645.54 ly

Heliocentric radial velocity 12 km/s

Proper Motion RA -0.001 arcsec/year

Proper Motion Dec -0.007 arcsec/year

Spectral properties of 71 Ceti

71 Ceti belongs to spectral class A0 and has a luminosity class of III corresponding to a hypergiant star.

Absolute magnitude -0.15

Spectral Type A0III

Color Index (B-V) 0

Temperature of 71 Ceti 10125K

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

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

Alternative designations of 71 Ceti

Flamsteed designation 71 Ceti

Henry Draper Catalogue HD15004

SAO Catalogue SAO129888

Hipparcos Catalogue HIP11261

Durchmusterung Catalogue BD-03 374

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In Evidence

Other stars in Cetus