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WR 53 (Wolf-Rayet Star) Facts

WR 53 Facts

WR 53's Alternative Names

HIP65925 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD117297.

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

Location of WR 53

The location of the wolf-rayet 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 object is compared to the celestial equator and is expressed in degrees. For WR 53, the location is 13h 30m 53.26 and -62° 04` 51.8 .

Wolf-Rayet Star

The star is a Wolf-Rayet, a rare type of star of which not many are known. These stars are extremely luminous and large compared to our Sun. They live fast and die hard in a matter of millions not billions of years like our Sun. They exhaust their hydrogen supplies, turning to other gasses and expand outwards with massive solar winds, moving a step closer in the stellar evolution towards their death in a super or hypernova explosion.

Physical Properties (Temperature) of WR 53

WR 53 Colour and Temperature

WR 53 has a spectral type of WC8. The star has a B-V Colour Index of 0.48 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 6,166 Kelvin.

WR 53 Apparent and Absolute Magnitudes

WR 53 has an apparent magnitude of 10.53 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 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 WR 53

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -2.15 which gave the calculated distance to WR 53 as -1517.04 light years away from Earth or -465.12 parsecs. It would take a spaceship travelling at the speed of light, -1517.04 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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Additional WR 53 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameWR 53
Alternative NamesHD 117297, HIP 65925, WR 53
Spectral TypeWC8
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeWolf-Rayet star
GalaxyMilky Way
ConstellationCentaurus
Visual / Apparent Magnitude10.53
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)13h 30m 53.26
Declination (Dec.)-62° 04` 51.8
Galactic Latitude0.44 degrees
Galactic Longitude307.53 degrees
Distance from Earth-2.15 Parallax (milliarcseconds)
 -1517.04 Light Years
 -465.12 Parsecs
 -95,937,218.18 Astronomical Units
B-V Index0.48

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Calculated Facts


Effective Temperature6,166 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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