84 Ceti

Above the horizon. Rise: 6:05 | Tran: 12:00 | Set: 17:56

Alt: 30.66° Az: 139.81° Direction: South-East

84 Ceti is a variable and double sub-giant star of spectral class F7 in the constellation of Cetus.

84 Ceti visual magnitude is 5.71. Because of its faintness, 84 Ceti is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 84 Ceti. The red arrow shows the motion of 84 Ceti during the next 1000 years (3.57 arcmin in Right Ascension and -2.27 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 42m 31s

Declination -00° 35’ 18”

Hour Angle 21h 45m 07s

Sidereal Time 00h 27m 38s

J2000

Right Ascension 02h 41m 13s

Declination -00° 41’ 44”

Galactic Coordinates

Galactic Longitude 172.42°

Galactic Latitude -52.68°

Finder Chart

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Finder chart for 84 Ceti.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.71

Class Sub-giant

Absolute magnitude 4.04

Spectral Type F7IV

Color Index (B-V) 0.52

Temperature 6300K

The red dot in the diagram below shows where 84 Ceti is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 84 Ceti. Attribution: Richard Powell / CC BY-SA

Star System Properties

84 Ceti 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 84 Ceti double sysyem:

Main star magnitude 5.71

Secondary star magnitude 9.31

Magnitude difference 3.6

Separation 4 arcsec

Distance, Radial Speed, Proper Motion

84 Ceti is distant 70.50 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 21.63

Distance (light year) 70.50

Radial Speed 8 km/s

Proper Motion RA 0.214 arcsec/y

Proper Motion Dec -0.136"/y

Alternative Designations

Flamsteed designation 84 Ceti

Henry Draper Catalogue HD16765

SAO Catalogue SAO130055

Hipparcos Catalogue HIP12530

Durchmusterung Catalogue BD-01 377

General Catalogue of Variable Stars 893

Aitken Double Star Catalogue ADS2046

Visibility from Your Location

Today's 84 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 90.6° RISE 6:05

Max altitude: 37.9° TRANSIT 12:00

Azimuth: 269.4° SET 17:56

Set Location

Other stars in Cetus