Universe Guide

14 Cephei - HD209481 - HIP108772

14 Cephei is a blue rotating main sequence dwarf star that can be located in the constellation of Cepheus. HIP is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD. 14 Cephei has alternative name(s), 14 Cephei.

Location of 14 Cephei

The location of the star in the galaxy is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is from celestial equator. The Declination is how up or down compared to the celestial equator and is expressed in degrees. For 14 Cephei, the location is 22h 02m 04.58 and +58 d 00 ` 01.3 .

Physical Properties/View of 14 Cephei

14 Cephei has a spectral type of O9V. This means the star is (O) blue coloured (V) main sequence (dwarf star). 14 Cephei lies at a distance of 4,659.48 light years away from our Sun and our planet Earth or to put it another way, 1,428.43 parsecs away from the Sun.

14 Cephei has an apparent magnitude of 5.55 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 14 Cephei has an absolute magnitude of -5.22 which is the apparent magnitude of an object if it were 32.6 light years away or 10 parsecs from Earth. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number. The stars temperature has been calculated at between 30000 and based on the Class Type and lookup at Wikipedia-Stellar Classification

Variable Type of 14 Cephei

The star is a rotating Rotating ellipsoidal variable type which means that its size changes over time. The Variable Type is usually named after the first star of that type to be spotted. 14 Cephei brightness ranges from a magnitude of 6.000 to a magnitude of 6.000 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 3.0 days (variability).

Source of Information

The source of the information came from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years.

14 Cephei Facts

Traditional Name14 Cephei
Short NameLZ Cep
Alternative Name(s)14 Cephei
Hipparcos Library I.D.108772
Henry Draper Designation209481
Celestial TypeStar
Absolute Magnitude-5.22
Apparent Magnitude5.55
Right Ascension (R.A.)22h 02m 04.58
Declination (Dec.)+58 d 00 ` 01.3
Distance from the Sun / Earth4,659.48 Light Years
Spectral TypeO9V
Colour (O) blue
Star Type (IV) subgiant.
Variable Star ClassRotating
Variable Star TypeRotating ellipsoidal
Mean Variability Period in Days3.000
Variable Magnitude Range (Brighter - Dimmer)6.000 - 6.000

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