Universe Guide

113 G. Pup - HD60646 - HIP36807

113 G. Pup is a blue subgiant star that can be located in the constellation of Puppis. HIP36807 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD60646. The Id of the star in the Gould Star Catalogue is 113. 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.

Location of 113 G. Pup

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 113 G. Pup, the location is 07h 34m 12.86 and -33d27`48.9 .

Proper Motion of 113 G. Pup

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 064.18 ± 000.22 towards the north and -055.90 ± 000.29 east if we saw them in the horizon.

Physical Properties (Colour, Temperature, Radius) of 113 G. Pup

113 G. Pup has a spectral type of A9IV. This means the star is a blue coloured subgiant star. The star has a B-V Colour Index of 0.29 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 7,270 Kelvin.

113 G. Pup has been calculated as 3.08 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 2,141,551.33.km.

113 G. Pup Apparent and Absolute Magnitudes

113 G. Pup has an apparent magnitude of 6.11 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 1.39 If you used the 2007 Parallax value, you would get an absolute magnitude of 1.53. 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 113 G. Pup

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 11.37 which gave the calculated distance to 113 G. Pup as 286.86 light years away from Earth or 87.95 parsecs. In 2007, Hipparcos data was revised with a new parallax of 12.15 which put 113 G. Pup at a distance of 268.45 light years or 82.30 parsecs.

It would take a spaceship travelling at the speed of light, 286.86 years using the 1997 distance to get there. We don't have the technology or spaceship that can carry people over that distance yet.

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 Stellar Age, Metallicity or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

113 G. Pup Facts

Traditional Name113 G. Pup
Hipparcos Library I.D.36807
Gould I.D.113
Henry Draper Designation60646
Celestial TypeStar
Absolute Magnitude1.39 / 1.53
Apparent Magnitude6.11
Right Ascension (R.A.)07h 34m 12.86
Declination (Dec.)-33d27`48.9
1997 Distance from Earth11.37 Parallax (milliarcseconds)
 286.86 Light Years
 87.95 Parsecs
2007 Distance from Earth12.15 Parallax (milliarcseconds)
 268.45 Light Years
 82.30 Parsecs
Proper Motion Dec.64.18 ± 0.22 milliarcseconds/year
Proper Motion RA.-55.90 ± 0.29 milliarcseconds/year
B-V Index0.29
Spectral TypeA9IV
Colour(A) blue
Star Typesubgiant star
Radius (x the Sun)3.08
Calculated Effective Temperature7,270 Kelvin

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