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HIP 64558, HD114854

HIP 64558 is a blue to white subgiant star that can be located in the constellation of Centaurus. The description is based on the spectral class. The star can not be seen by the naked eye, you need a telescope to see it.

HIP 64558's Alternative Names

HIP64558 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD114854.

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

Location of HIP 64558

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 HIP 64558, the location is 13h 13m 58.84 and -48° 49` 03.0 .

Proper Motion of HIP 64558

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 -7.80 ± 0.75 miliarcseconds/year towards the north and -15.78 ± 0.96 miliarcseconds/year east if we saw them in the horizon.

Physical Properties (Colour, Temperature) of HIP 64558

HIP 64558 has a spectral type of F0III/IV. This means the star is a blue to white subgiant star. The star has a B-V Colour Index of 0.42 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 6,635 Kelvin.

HIP 64558 Radius has been calculated as being 5.31 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 3,695,727.05.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 4.46. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

HIP 64558 Apparent and Absolute Magnitudes

HIP 64558 has an apparent magnitude of 8.46 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 0.62 If you used the 2007 Parallax value, you would get an absolute magnitude of 1.00. 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 HIP 64558

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 2.71 which gave the calculated distance to HIP 64558 as 1203.55 light years away from Earth or 369.00 parsecs. It would take a spaceship travelling at the speed of light, 1203.55 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 3.22 which put HIP 64558 at a distance of 1012.93 light years or 310.56 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.

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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HIP 64558 Facts

Visual Facts


Primary / Proper / Traditional NameHIP 64558
Alternative NamesHD 114854, HIP 64558
Spectral TypeF0III/IV
Multiple Star SystemYes
Star TypeSubgiant Star
Colour blue to white
GalaxyMilky Way
ConstellationCentaurus
Absolute Magnitude0.62 / 1.00
Visual / Apparent Magnitude8.46
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)13h 13m 58.84
Declination (Dec.)-48° 49` 03.0
Galactic Latitude13.89 degrees
Galactic Longitude306.75 degrees
1997 Distance from Earth2.71 Parallax (milliarcseconds)
 1203.55 Light Years
 369.00 Parsecs
2007 Distance from Earth3.22 Parallax (milliarcseconds)
 1012.93 Light Years
 310.56 Parsecs
Proper Motion Dec.-7.80 ± 0.75 milliarcseconds/year
Proper Motion RA.-15.78 ± 0.96 milliarcseconds/year
B-V Index0.42

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Facts


Calculated Effective Temperature6,635 Kelvin

Sources and Links


SIMBAD SourceLink

Multi-Star System

The star has been identified as being a multi-star system, one in which there is at least one star in close orbit to another star or two or more stars orbiting a central point. The stars may be of equal mass, unequal mass where one star is stronger than the other or be in groups orbiting a central point which doesn't necessarily have to be a star. More information can be found on my dedicated multiple star systems page. The source of the info is Simbad. The file is dated 2000 so any differences between this and any other source will be down to the actual source from where the information came from.


Proper Motion mas/yr
H.D. IdB.D. IdStar CodeMagnitudeR.A.Dec.SpectrumColourYear
114854-48 8036.2A9.50000-35.00000-18.00000F0Yellow/White
B9.600001947

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