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Krzeminski's Star

Krzeminski's Star Facts

Location of Krzeminski's Star

The location of the main sequence 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 Krzeminski's Star, the location is 11h 21m 15.78 and -60° 37` 22.7 .

Proper Motion of Krzeminski's Star

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving 9.20 milliarcseconds/year towards the north and -8.70 milliarcseconds/year east if we saw them in the horizon. . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties (Colour) of Krzeminski's Star

Krzeminski's Star Colour and Temperature

Krzeminski's Star has a spectral type of O9III/Veq C. This means the star is a blue - white main sequence star.

Krzeminski's Star Apparent and Absolute Magnitudes

Krzeminski's Star has an apparent magnitude of 13.25 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 2.35 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 Krzeminski's Star

The Parallax of the star is given as 0.66 which gives a calculated distance to Krzeminski's Star of 4941.87 light years from the Earth or 1515.15 parsecs. It would take a spaceship travelling at the speed of light, 4941.87 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 312,519,943.52 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.

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Additional Krzeminski's Star Facts and Figures

Visual Facts


Primary / Proper / Traditional NameKrzeminski's Star
Spectral TypeO9III/Veq C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type Main Sequence Dwarf Star
ColourBlue
GalaxyMilky Way
ConstellationCentaurus
Visual / Apparent Magnitude13.25
Naked Eye VisibleRequires a 8 - 10 Inch Telescope - Magnitudes
Right Ascension (R.A.)11h 21m 15.78
Declination (Dec.)-60° 37` 22.7
Distance from Earth0.66 Parallax (milliarcseconds)
 4941.87 Light Years
 1515.15 Parsecs
 312,519,943.52 Astronomical Units
Proper Motion Dec.9.20 milliarcseconds/year
Proper Motion RA.-8.70 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=Cen+X-3

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Comments and Questions

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