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HD 60532, HIP36795

HD 60532 is a blue to white main sequence dwarf star that can be located in the constellation of Puppis. HD 60532 is the brightest star in Puppis based on the Hipparcos 2007 apparent magnitude. 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 2.80 Billion of Years but could be as young as 2.20 to 2.90 according to Hipparcos.

HIP36795 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD60532. The Id of the star in the Gould Star Catalogue is 108. Stars in the southern hemisphere are more likely to have a Gould Id than the northern hemisphere. For example, there are no Gould classified stars in Ursa Major. The Gliese ID of the star is Gliese GL279. The star was part of the original catalogue devised by German Astronomer Wilheim Gliese of stars located within 20 parsecs of Earth. Ref : Star Names. HD 60532 has at least 2 Extrasolar Planets believed to be in orbit around the star.

Location of HD 60532

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 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 HD 60532, the location is 07h 34m 03.21 and -22d 17` 46.3 .

Proper Motion of HD 60532

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 46.84 ± 0.19 miliarcseconds/year towards the north and -39.87 ± 0.27 miliarcseconds/year east if we saw them in the horizon.

HD 60532 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 2.0000000 that I have given is based on the Spectral Types page that I have found on the Internet. You might find a different figure, one that may have been calculated rather than generalised that I have done. The figure is always the amount times the luminosity of the Sun. It is an imprecise figure because of a number of factors including but not limited to whether the star is a variable star and distance.

Physical Properties (Colour, Temperature, Age, Mass, Radius) of HD 60532

HD 60532 has a spectral type of F6V. This means the star is a blue to white main sequence dwarf star. The star is 7414.00000000 Parsecs from the Galactic Centre or terms of Light Years is 24181.7503241600000000s. The star has a B-V Colour Index of 0.52 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 6,202 Kelvin.

HD 60532 Radius has been calculated as being 2.69 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,871,978.44.km. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 2.65. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures. The star's solar mass is 1.44 times that of the Sun's. The Sun's Mass is 1,989,100,000,000,000,000,000 billion kg. which to calculate using this website is too large. To give idea of size, the Sun is 99.86% the mass of the solar system.

The star's metallicity is -0.260000, this value is the fractional amount of the star that is not Hydrogen (X) or Helium (Y). An older star would have a high metallicity whereas a new star would have a lower one.

The stars age according to Hipparcos data files put the star at an age of about 2.80 Billion years old but could be between 2.20 and 2.90 Billion years old. In comparison, the Sun's age is about 4.6 Billion Years Old.

HD 60532 Apparent and Absolute Magnitudes

HD 60532 has an apparent magnitude of 4.44 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 2.39 If you used the 2007 Parallax value, you would get an absolute magnitude of 2.42. 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 HD 60532

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 38.91 which gave the calculated distance to HD 60532 as 83.83 light years away from Earth or 25.70 parsecs. It would take a spaceship travelling at the speed of light, 83.83 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 39.53 which put HD 60532 at a distance of 82.51 light years or 25.30 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 7,414.00 Parsecs or 24,181.75 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.

HD 60532 Facts

Alternative Names

Traditional/Proper NameHD 60532
Hipparcos Library I.D.36795
Bonner DurchmusterungBD-21 2007
Gould I.D.108
Gliese ID279
Henry Draper Designation60532

Visual Facts

Star Typemain sequence dwarf star
Age2.80 Billion Years Old
Age Range2.20 - 2.90 Billion Years Old
Absolute Magnitude2.39 / 2.42
Visual / Apparent Magnitude4.44
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)07h 34m 03.21
Declination (Dec.)-22d 17` 46.3
Galactic Latitude-1.19 degrees
Galactic Longitude237.50 degrees
1997 Distance from Earth38.91 Parallax (milliarcseconds)
 83.83 Light Years
 25.70 Parsecs
2007 Revised Distance from Earth39.53 Parallax (milliarcseconds)
 82.51 Light Years
 25.30 Parsecs
Galacto-Centric Distance24,181.75 Light Years / 7,414.00 Parsecs
Proper Motion Dec.46.84 ± 0.19 milliarcseconds/year
Proper Motion RA.-39.87 ± 0.27 milliarcseconds/year
B-V Index0.52
Radial Velocity60.60 ± 0.20 km/s
Iron Abundance-0.13 ± 0.02 Fe/H
Spectral TypeF6V
Colour(F) blue to white

Companions (Multi-Star and Exoplanets) Facts

Exoplanet Count2

Estimated Facts

Luminosity (x the Sun)2.0000000
Calculated Effective Temperature6,202 Kelvin
Mass Compared to the Sun1.44

Sources and Links

SIMBAD SourceLink

Related Stars

List of Extrasolar Planets orbiting HD 60532

NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
HD 60532 bConfirmed0.000000201.8300.27820080.77352.8302008.000
HD 60532 cConfirmed0.000000607.0600.03820081.58119.4902008.000

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