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HIP 64601, HD114899

HIP 64601 is a orange to red giant star that can be located in the constellation of Centaurus. The description is based on the spectral class. HIP 64601 is not part of the constellation but is within the borders of the constellation.

The star can not be seen by the naked eye, you need a telescope to see it.

HIP 64601's Alternative Names

HIP64601 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD114899.

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

Location of HIP 64601

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 64601, the location is 13h 14m 26.28 and -54° 57` 43.6 .

Proper Motion of HIP 64601

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 -5.86 ± 0.58 miliarcseconds/year towards the north and -40.56 ± 0.91 miliarcseconds/year east if we saw them in the horizon. . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

HIP 64601 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 17.24 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) of HIP 64601

HIP 64601 has a spectral type of K0III. This means the star is a orange to red giant star. The star is 7,314.00 Parsecs from the Galactic Centre or terms of Light Years is 23,855.59 s. The star has a B-V Colour Index of 1.01 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 4,830 Kelvin.

HIP 64601 Radius has been calculated as being 5.82 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 4,050,194.66.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 5.12. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

HIP 64601 Apparent and Absolute Magnitudes

HIP 64601 has an apparent magnitude of 7.99 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 1.80 If you used the 2007 Parallax value, you would get an absolute magnitude of 2.08. 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 64601

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 5.78 which gave the calculated distance to HIP 64601 as 564.30 light years away from Earth or 173.01 parsecs. It would take a spaceship travelling at the speed of light, 564.30 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 6.58 which put HIP 64601 at a distance of 495.69 light years or 151.98 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.

Using the 2007 distance, the star is roughly 31,347,906.82 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

The star's Galacto-Centric Distance is 7,314.00 Parsecs or 23,855.59 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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HIP 64601 Facts

Visual Facts


Primary / Proper / Traditional NameHIP 64601
Alternative NamesHD 114899, HIP 64601
Spectral TypeK0III
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeGiant Star
Colour orange to red
GalaxyMilky Way
ConstellationCentaurus
Absolute Magnitude 1.80 / 2.08
Visual / Apparent Magnitude7.99
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)13h 14m 26.28
Declination (Dec.)-54° 57` 43.6
Galactic Latitude7.76 degrees
Galactic Longitude306.26 degrees
1997 Distance from Earth5.78 Parallax (milliarcseconds)
 564.30 Light Years
 173.01 Parsecs
2007 Distance from Earth6.58 Parallax (milliarcseconds)
 495.69 Light Years
 151.98 Parsecs
 31,347,906.82 Astronomical Units
Galacto-Centric Distance23,855.59 Light Years / 7,314.00 Parsecs
Proper Motion Dec.-5.86 ± 0.58 milliarcseconds/year
Proper Motion RA.-40.56 ± 0.91 milliarcseconds/year
B-V Index1.01
Stellar Luminosity (Lsun)17.24

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Facts


Calculated Effective Temperature4,830 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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