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Kappa Fornacis, HD14802, HIP11072, HR695

Kappa Fornacis is a white to yellow main sequence dwarf star that can be located in the constellation of Fornax. The description is based on the spectral class. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it. The star has an estimated age of 5.70 Billion of Years but could be as young as 5.20 to 6.30 according to Hipparcos.

Kappa Fornacis's Alternative Names

Kappa Fornacis (Kap For) is the Bayer Classification for the star. The Id of the star in the Yale Bright Star Catalogue is HR695. HIP11072 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD14802. The Gliese ID of the star is GL 97. The star was part of the original catalogue devised by German Astronomer Wilheim Gliese of stars located within 20 parsecs of Earth. Star Names

More details on star alternative names can be found at Star Names .

Location of Kappa Fornacis

The location of the star in the night sky 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 along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the star is compared to the celestial equator and is expressed in degrees. For Kappa Fornacis, the location is 02h 22m 32.42 and -23° 48` 58.7 .

Proper Motion of Kappa Fornacis

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -4.98 ± 0.52 miliarcseconds/year towards the north and 196.61 ± 0.82 miliarcseconds/year east if we saw them in the horizon. The Radial Velocity, that is the speed at which the star is moving away/towards us is 18.82000 km/s with an error of about 0.42 km/s .

Kappa Fornacis Luminosity

Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. The figure of 3.66 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University of Strasbourg from 2012.

Physical Properties (Colour, Temperature, Age) of Kappa Fornacis

Kappa Fornacis has a spectral type of G2V. This means the star is a white to yellow main sequence dwarf star. The star is 7,407.00 Parsecs from the Galactic Centre or terms of Light Years is 24,158.92 s. The star has a B-V Colour Index of 0.6 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 5,895 Kelvin.

Kappa Fornacis Radius has been calculated as being 1.80 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,254,255.59.km. If you need the diameter of the star, you just need to multiple the radius by 2. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 1.80. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures. The star's Iron Abundance is -0.03 with an error value of 0.02 Fe/H with the Sun has a value of 1 to put it into context.

The stars age according to Hipparcos data files put the star at an age of about 5.70 Billion years old but could be between 5.20 and 6.30 Billion years old. In comparison, the Sun's age is about 4.6 Billion Years Old.

Kappa Fornacis Apparent and Absolute Magnitudes

Kappa Fornacis has an apparent magnitude of 5.19 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. If you used the 1997 Parallax value, you would get an absolute magnitude of 3.48 If you used the 2007 Parallax value, you would get an absolute magnitude of 3.48. 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.

Distance to Kappa Fornacis

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 45.60 which gave the calculated distance to Kappa Fornacis as 71.53 light years away from Earth or 21.93 parsecs. It would take a spaceship travelling at the speed of light, 71.53 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

In 2007, Hipparcos data was revised with a new parallax of 45.53 which put Kappa Fornacis at a distance of 71.64 light years or 21.96 parsecs. It should not be taken as though the star is moving closer or further away from us. It is purely that the distance was recalculated.

The star's Galacto-Centric Distance is 7,407.00 Parsecs or 24,158.92 Light Years. The Galacto-Centric Distance is the distance from the star to the Centre of the Galaxy which is Sagittarius A*.

Source of Information

The source of the information if it has a Hip I.D. is 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. The items in red are values that I've calculated so they could well be wrong. Information regarding Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

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Kappa Fornacis Facts

Visual Facts

Primary / Proper / Traditional NameKappa Fornacis
Alternative NamesKap For, HD 14802, HIP 11072, HR 695, Gliese 97
Spectral TypeG2V
Multiple Star SystemNo / Unknown
Star Type main sequence Dwarf Star
Colour white to yellow
GalaxyMilky Way
Age5.70 Billion Years Old
Age Range5.20 - 6.30 Billion Years Old
Absolute Magnitude3.48 / 3.48
Visual / Apparent Magnitude5.19
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)02h 22m 32.42
Declination (Dec.)-23° 48` 58.7
Galactic Latitude-69.20 degrees
Galactic Longitude208.85 degrees
1997 Distance from Earth45.60 Parallax (milliarcseconds)
 71.53 Light Years
 21.93 Parsecs
2007 Distance from Earth45.53 Parallax (milliarcseconds)
 71.64 Light Years
 21.96 Parsecs
Galacto-Centric Distance24,158.92 Light Years / 7,407.00 Parsecs
Proper Motion Dec.-4.98 ± 0.52 milliarcseconds/year
Proper Motion RA.196.61 ± 0.82 milliarcseconds/year
B-V Index0.60
Radial Velocity18.82 ± 0.42 km/s
Iron Abundance-0.03 ± 0.02 Fe/H
Semi-Major Axis7259.00
Stellar Luminosity (Lsun)3.66

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Estimated Facts

Calculated Effective Temperature5,895 Kelvin

Sources and Links

SIMBAD SourceLink

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