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CoRoT-28

CoRoT-28 Facts

Location of CoRoT-28

The location of the subgiant 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 CoRoT-28, the location is 18h 34m 45.00 and 05° 34` 26.04 .

Physical Properties (Colour, Metallicity, Age, Radius) of CoRoT-28

CoRoT-28 Colour and Temperature

CoRoT-28 has a spectral type of G8/9IV. This means the star is a yellow subgiant star.

CoRoT-28 Radius

CoRoT-28 has been calculated as 1.78 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,238,524.00.km. If you need the diameter of the star, you just need to multiple the radius by 2.

The star's metallicity is 0.100000, 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 12.00 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.

CoRoT-28 Apparent and Absolute Magnitudes

CoRoT-28 has an apparent magnitude of 13.49 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 4.75 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 CoRoT-28

The Parallax of the star is given as 1.79 which gives a calculated distance to CoRoT-28 of 1826.53 light years from the Earth or 560.00 parsecs. It is about 10,737,485,602,881,040.91 miles from Earth.

The star is roughly 115,507,486.63 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.

Time to Travel to CoRoT-28

A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

If you were to drive there at about 120 m.p.h. in a car with an infinity engine so you didn't have to pull over for petrol, it would take you 89,479,046,690,675.34 hours or 10,214,503,046.88 years.

At the time of writing, the fastest probe so far created is the New Horizon probe which is travelling at a speed of 33,000 m.p.h. If the probe was travelling to CoRoT-28 then it would take 325,378,351,602.46 hours / 37,143,647.44 years to get there. Speed Ref: N.A.S.A.

It would to take a spaceship journey travelling at the speed of light, 1826.53 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

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Additional CoRoT-28 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameCoRoT-28
Spectral TypeG8/9IV
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeSubgiant Star
ColourYellow
GalaxyMilky Way
ConstellationSerpens
Age12.00 Billion Years Old
Metalicity0.1000
Visual / Apparent Magnitude13.49
Naked Eye VisibleRequires a 8 - 10 Inch Telescope - Magnitudes
Right Ascension (R.A.)18h 34m 45.00
Declination (Dec.)05° 34` 26.04
Distance from Earth1.79 Parallax (milliarcseconds)
 1826.53 Light Years
 560.00 Parsecs
 115,507,486.63 Astronomical Units

Companions (Multi-Star and Exoplanets) Facts


Exoplanet Count1

Estimated Calculated Facts


Radius (x the Sun)1.78

Sources and Links


Sourcehttp://www.exoplanets.eu

List of Extrasolar Planets orbiting CoRoT-28


NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastron
CoRoT-28 bConfirmed0.0875.2090.04720120.059126.000

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