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V5112 Sagittarii

V5112 Sagittarii Facts

V5112 Sagittarii's Alternative Names

The Id of the star in the Henry Draper catalogue is HD187885.

More details on objects' alternative names can be found at Star Names .

Location of V5112 Sagittarii

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 V5112 Sagittarii, the location is 19 52 52.7031438648 and -17 01 50.293465852 .

Proper Motion of V5112 Sagittarii

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 -2.89 milliarcseconds/year towards the north and -1.28 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 V5112 Sagittarii

V5112 Sagittarii Colour and Temperature

V5112 Sagittarii has a spectral type of F2/6Ia C. This means the star is a blue to white supergiant star.

Distance to V5112 Sagittarii

The Parallax of the star is given as 0.55 which gives a calculated distance to V5112 Sagittarii of 5925.93 light years from the Earth or 1816.86 parsecs. It would take a spaceship travelling at the speed of light, 5925.93 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 374,751,664.57 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 V5112 Sagittarii Facts and Figures

Visual Facts


Primary / Proper / Traditional NameV5112 Sagittarii
Alternative NamesHD 187885
Spectral TypeF2/6Ia C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type very luminous Supergiant Star
ColourYellow - White
GalaxyMilky Way
ConstellationSagittarius
Right Ascension (R.A.)19 52 52.7031438648
Declination (Dec.)-17 01 50.293465852
Distance from Earth0.55 Parallax (milliarcseconds)
 5925.93 Light Years
 1816.86 Parsecs
 374,751,664.57 Astronomical Units
Proper Motion Dec.-2.89 milliarcseconds/year
Proper Motion RA.-1.28 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=V5112%20sgr

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