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236 G. Puppis, HD66005, HIP39035

236 G. Puppis is a blue subgiant 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.

236 G. Puppis's Alternative Names

HIP39035 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD66005.

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 236 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 236 G. Puppis

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 236 G. Puppis, the location is 07h 59m 12.31 and -49° 58` 36.7 .

Physical Properties (Colour, Temperature) of 236 G. Puppis

236 G. Puppis has a spectral type of B2IV-V. This means the star is a blue subgiant star. The star has a B-V Colour Index of -0.15 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 13,674 Kelvin.

236 G. Puppis Radius has been calculated as being 3.52 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 2,452,520.70.km. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

236 G. Puppis Apparent and Absolute Magnitudes

236 G. Puppis has an apparent magnitude of 6.35 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Using the supplied Parallax value, you would get an absolute magnitude of -1.63 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 236 G. Puppis

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 2.54 which gave the calculated distance to 236 G. Puppis as 1284.11 light years away from Earth or 393.70 parsecs. It would take a spaceship travelling at the speed of light, 1284.11 years 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 Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

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236 G. Puppis Facts

Visual Facts

Alternative NamesHD 66005, HIP 39035
Star TypeSubgiant Star
GalaxyMilky Way
Visual / Apparent Magnitude6.35
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)07h 59m 12.31
Declination (Dec.)-49° 58` 36.7
Galactic Latitude-10.51 degrees
Galactic Longitude264.20 degrees
Distance from Earth2.54 Parallax (milliarcseconds)
 1284.11 Light Years
 393.70 Parsecs
B-V Index-0.15
Radial Velocity13.00 ± 7.40 km/s
Spectral TypeB2IV-V
Colour(B) blue

Estimated Facts

Calculated Effective Temperature13,674 Kelvin

Sources and Links

SIMBAD SourceLink

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