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 WASP-57, the location is 14h 55m 16.82 and -02° 03` 27.54 .
Physical Properties (Colour) of WASP-57
WASP-57 has a spectral type of G6. This means the star is a white to yellow star.
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