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76 G. Puppis, HD56410, HIP35054

76 G. Puppis is a blue subgiant star that can be located in the constellation of Puppis. The description is based on the spectral class. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it.

76 G. Puppis's Alternative Names

HIP35054 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD56410.

The Gould star designation is one that was designed by American astronomer, Benjamin Apthorp Gould. Gould stars are predominantly in the Southern and Equatorial constellations but do appear in northern constellations such as Bootes and Orion. The star has the designation 76 G. Puppis. There are no stars with a Gould designation in Ursa Major for example.

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

Location of 76 G. Puppis

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 76 G. Puppis, the location is 07h 14m 57.15 and -41° 25` 35.1 .

Proper Motion of 76 G. Puppis

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 9.81 ± 0.20 miliarcseconds/year towards the north and 3.33 ± 0.22 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 24.40000 km/s with an error of about 1.80 km/s .

76 G. Puppis 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 254.27 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 76 G. Puppis

76 G. Puppis has a spectral type of B4III/IV. This means the star is a blue subgiant star. The star is 7,450.00 Parsecs from the Galactic Centre or terms of Light Years is 24,299.17 s. The star has a B-V Colour Index of -0.14 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 13,196 Kelvin.

76 G. Puppis Radius has been calculated as being 1.95 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,356,766.41.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 1.93. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

76 G. Puppis Apparent and Absolute Magnitudes

76 G. Puppis has an apparent magnitude of 5.95 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 -0.19 If you used the 2007 Parallax value, you would get an absolute magnitude of -0.17. 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 76 G. Puppis

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 5.91 which gave the calculated distance to 76 G. Puppis as 551.88 light years away from Earth or 169.20 parsecs. It would take a spaceship travelling at the speed of light, 551.88 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 5.96 which put 76 G. Puppis at a distance of 547.25 light years or 167.79 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 7,450.00 Parsecs or 24,299.17 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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76 G. Puppis Facts

Visual Facts


Primary / Proper / Traditional Name76 G. Puppis
Alternative NamesHD 56410, HIP 35054
Spectral TypeB4III/IV
Multiple Star SystemNo / Unknown
Star TypeSubgiant Star
Colour blue
GalaxyMilky Way
ConstellationPuppis
Absolute Magnitude-0.19 / -0.17
Visual / Apparent Magnitude5.95
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)07h 14m 57.15
Declination (Dec.)-41° 25` 35.1
Galactic Latitude-13.49 degrees
Galactic Longitude252.84 degrees
1997 Distance from Earth5.91 Parallax (milliarcseconds)
 551.88 Light Years
 169.20 Parsecs
2007 Distance from Earth5.96 Parallax (milliarcseconds)
 547.25 Light Years
 167.79 Parsecs
Galacto-Centric Distance24,299.17 Light Years / 7,450.00 Parsecs
Proper Motion Dec.9.81 ± 0.20 milliarcseconds/year
Proper Motion RA.3.33 ± 0.22 milliarcseconds/year
B-V Index-0.14
Radial Velocity24.40 ± 1.80 km/s
Eccentricity0.07
Semi-Major Axis6988.00
Stellar Luminosity (Lsun)254.27

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Facts


Calculated Effective Temperature13,196 Kelvin

Sources and Links


SIMBAD SourceLink

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