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 object is compared to the celestial equator and is expressed in degrees. For EPIC 228735255, the location is 12h 32m 32.96 and -09° 36` 27.50 .
EPIC 228735255 has a spectral type of G5. This means the star is a white to yellow star.
EPIC 228735255 has been calculated as 0.99 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 686,754.60.km. If you need the diameter of the star, you just need to multiple the radius by 2.
The star's metallicity is 0.045000, this value is the fractional amount of the star that is not Hydrogen (X) or Helium (Y). An older star would have a high metallicity whereas a new star would have a lower one.
The star is believed to be about 4.22 Billion years old. To put in context, the Sun is believed to be about five billion years old and the Universe is about 13.8 billion years old.
EPIC 228735255 has an apparent magnitude of 12.60 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 4.94 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.
The Parallax of the star is given as 2.94 which gives a calculated distance to EPIC 228735255 of 1109.74 light years from the Earth or 340.24 parsecs. It would take a spaceship travelling at the speed of light, 1109.74 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.
The star is roughly 70,179,048.66 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.
|Primary / Proper / Traditional Name||EPIC 228735255|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Colour||White to Yellow|
|Age||4.22 Billion Years Old|
|Visual / Apparent Magnitude||12.60|
|Naked Eye Visible||Requires a 4.5 - 6 Inch Telescope - Magnitudes|
|Right Ascension (R.A.)||12h 32m 32.96|
|Declination (Dec.)||-09° 36` 27.50|
|Distance from Earth||2.94 Parallax (milliarcseconds)|
|1109.74 Light Years|
|70,179,048.66 Astronomical Units|
|Radius (x the Sun)||0.99|
|Name||Status||Mass (Jupiters)||Orbital Period (Days)||Eccentricity||Discovered||Semi-Major Axis||Periastron||Inclination|
|EPIC 228735255 b||Confirmed||0.07||6.569||0.12||2017||0.0591||98.880||88.510|
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