μ Ceti (mu Ceti)

Above the horizon. Rise: 4:54 | Tran: 11:45 | Set: 18:35

Alt: 44.44° Az: 146.41° Direction: South-South-East

μ Ceti is a variable and double hypergiant star of spectral class F0 in the constellation of Cetus.

μ Ceti visual magnitude is 4.27. Because of its moderate brightness, μ Ceti is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of μ Ceti. The red arrow shows the motion of μ Ceti during the next 1000 years (4.73 arcmin in Right Ascension and -0.60 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 46m 18s

Declination +10° 13’ 12”

Hour Angle 22h 25m 20s

Sidereal Time 01h 11m 38s

J2000

Right Ascension 02h 44m 56s

Declination +10° 06’ 51”

Galactic Coordinates

Galactic Longitude 163.25°

Galactic Latitude -43.7°

Finder Chart

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Finder chart for μ Ceti (mu Ceti).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.27

Class Hypergiant

Absolute magnitude 2.21

Spectral Type F0IV

Color Index (B-V) 0.31

Temperature 7399K

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

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

Star System Properties

μ Ceti is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the μ Ceti double sysyem:

Main star magnitude 4.27

Secondary star magnitude 5.67

Magnitude difference 1.4

Separation 0.1 arcsec

Distance, Radial Speed, Proper Motion

μ Ceti is distant 84.22 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 25.83

Distance (light year) 84.22

Radial Speed 30 km/s

Proper Motion RA 0.284 arcsec/y

Proper Motion Dec -0.036"/y

Alternative Designations

Bayer designation μ Ceti
(mu Ceti)

Flamsteed designation 87 Ceti

Henry Draper Catalogue HD17094

SAO Catalogue SAO110723

Hipparcos Catalogue HIP12828

Durchmusterung Catalogue BD+09 359

Gliese Catalogue Wo 9099

FK5 Catalogue 98

General Catalogue of Variable Stars 909

Visibility from Your Location

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

Azimuth: 79.8° RISE 4:54

Max altitude: 48.7° TRANSIT 11:45

Azimuth: 280.2° SET 18:35

Set Location

Other stars in Cetus