The location of the supergiant 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 WR25, the location is 10h 44m 10.337 and -59° 43` 11.41 .
WR25 has a spectral type of O2.5If*/WN6 + OB. This means the star is a blue supergiant star. WR25 lies at a distance of 10,500.00 light years away from our Sun and our planet Earth or to put it another way, 3,219.25 parsecs away from the Sun.
WR25 has been calculated as 33.00 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 22,961,400.00.km. If you need the diameter of the star, you just need to multiple the radius by 2.
WR25 has an apparent magnitude of 8.80 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 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.
WR25 is an estimated 10,500.00 light years from our Solar System (Earth and Sun). It would take a spaceship 10,500.00 years travelling at the speed of light to get there. We don't have a space ship that can travel that distance or at that speed yet.
|Primary / Proper / Traditional Name||WR25|
|Spectral Type||O2.5If*/WN6 + OB|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Star Type||very luminous Supergiant Star|
|Visual / Apparent Magnitude||8.80|
|Naked Eye Visible||Requires a 7x50 Binoculars - Magnitudes|
|Right Ascension (R.A.)||10h 44m 10.337|
|Declination (Dec.)||-59° 43` 11.41|
|Distance from the Sun / Earth||10,500.00 Light Years|
|Radius (x the Sun)||33.00|
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