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92 G. Pup, HD59136, HIP36236

92 G. Pup is a blue star that can be located in the constellation of Puppis. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it.

HIP36236 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD59136. The Id of the star in the Gould Star Catalogue is 92. 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 92 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 92 G. Pup, the location is 07h 27m 42.94 and -22d 51` 33.1 .

Proper Motion of 92 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 -1.19 ± 0.43 miliarcseconds/year towards the north and -2.00 ± 0.53 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 us is 25.90000 km/s with an error of about 2.50 km/s .

Physical Properties (Colour, Temperature, Radius) of 92 G. Pup

92 G. Pup has a spectral type of B5III. This means the star is a blue star. The star is 7559.00000000 Parsecs from the Galactic Centre or terms of Light Years is 24654.6871729600000000s. The star has a B-V Colour Index of -0.08 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 11,099 Kelvin.

92 G. Pup Radius has been calculated as being 4.35 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 3,025,740.73.km. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 4.77. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

92 G. Pup Apparent and Absolute Magnitudes

92 G. Pup has an apparent magnitude of 5.98 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 -1.18 If you used the 2007 Parallax value, you would get an absolute magnitude of -1.38. 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 92 G. Pup

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 3.70 which gave the calculated distance to 92 G. Pup as 881.52 light years away from Earth or 270.27 parsecs. It would take a spaceship travelling at the speed of light, 881.52 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 3.38 which put 92 G. Pup at a distance of 964.98 light years or 295.86 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 7,559.00 Parsecs or 24,654.69 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.

92 G. Pup Facts

Alternative Names

Traditional/Proper Name92 G. Pup
Hipparcos Library I.D.36236
Bonner DurchmusterungBD-22 1878
Gould I.D.92
Henry Draper Designation59136

Visual Facts

Star Type star
Absolute Magnitude-1.18 / -1.38
Visual / Apparent Magnitude5.98
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)07h 27m 42.94
Declination (Dec.)-22d 51` 33.1
Galactic Latitude-2.74 degrees
Galactic Longitude237.29 degrees
1997 Distance from Earth3.70 Parallax (milliarcseconds)
 881.52 Light Years
 270.27 Parsecs
2007 Revised Distance from Earth3.38 Parallax (milliarcseconds)
 964.98 Light Years
 295.86 Parsecs
Galacto-Centric Distance24,654.69 Light Years / 7,559.00 Parsecs
Proper Motion Dec.-1.19 ± 0.43 milliarcseconds/year
Proper Motion RA.-2.00 ± 0.53 milliarcseconds/year
B-V Index-0.08
Radial Velocity25.90 ± 2.50 km/s
Spectral TypeB5III
Colour(B) blue

Estimated Facts

Calculated Effective Temperature11,099 Kelvin

Sources and Links

SIMBAD SourceLink

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