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HIP 64462, HD114649

Primary Facts on HIP 64462

  • HIP 64462's star type is main sequence dwarf star that can be located in the constellation of Centaurus. The description is based on the spectral class.
  • HIP 64462 is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (F5V) of the star, the star's colour is blue to white .
  • The star can not be seen by the naked eye, you need a telescope to see it.
  • The star has an estimated age of 3.50 Billion of Years but could be as young as 2.70 to 4.30 according to Hipparcos.
  • Using the most recent figures given by the 2007 Hipparcos data, the star is 664.28 light years away from us.

HIP 64462's Alternative Names

HIP64462 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD114649.

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

Location of HIP 64462

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 64462, the location is 13h 12m 46.31 and -53° 55` 49.0 .

Radial Velocity and Proper Motion of HIP 64462

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 -18.83 ± 0.80 miliarcseconds/year towards the north and 10.05 ± 1.11 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 the Sun is 19.50 km/s with an error of about 0.30 km/s . 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.

Physical Properties (Colour, Temperature, Age) of HIP 64462

HIP 64462 has a spectral type of F5V. This means the star is a blue to white main sequence dwarf star. The star has a B-V Colour Index of 0.55 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 6,082 Kelvin.

HIP 64462 Radius has been calculated as being 3.92 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 2,724,449.12.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 3.36. 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 -0.05 with an error value of 0.08 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 3.50 Billion years old but could be between 2.70 and 4.30 Billion years old. In comparison, the Sun's age is about 4.6 Billion Years Old.

HIP 64462 Apparent and Absolute Magnitudes

HIP 64462 has an apparent magnitude of 8.53 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 1.66 If you used the 2007 Parallax value, you would get an absolute magnitude of 1.99. 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 64462

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 4.23 which gave the calculated distance to HIP 64462 as 771.07 light years away from Earth or 236.41 parsecs. It would take a spaceship travelling at the speed of light, 771.07 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 4.91 which put HIP 64462 at a distance of 664.28 light years or 203.67 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 42,009,660.36 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.

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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Additional HIP 64462 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHIP 64462
Alternative NamesHD 114649, HIP 64462
Spectral TypeF5V
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type main sequence Dwarf Star
Colour blue to white
GalaxyMilky Way
ConstellationCentaurus
Age3.50 Billion Years Old
Age Range2.70 - 4.30 Billion Years Old
Absolute Magnitude 1.66 / 1.99
Visual / Apparent Magnitude8.53
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)13h 12m 46.31
Declination (Dec.)-53° 55` 49.0
Galactic Latitude8.81 degrees
Galactic Longitude306.11 degrees
1997 Distance from Earth4.23 Parallax (milliarcseconds)
 771.07 Light Years
 236.41 Parsecs
2007 Distance from Earth4.91 Parallax (milliarcseconds)
 664.28 Light Years
 203.67 Parsecs
 42,009,660.36 Astronomical Units
Proper Motion Dec.-18.83 ± 0.80 milliarcseconds/year
Proper Motion RA.10.05 ± 1.11 milliarcseconds/year
B-V Index0.55
Radial Velocity19.50 ± 0.30 km/s
Iron Abundance-0.05 ± 0.08 Fe/H

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Facts


Calculated Effective Temperature6,082 Kelvin

Sources and Links


SIMBAD SourceLink

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