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V957 Centauri, HIP64613

V957 Centauri is a red pulsating variable star that can be located in the constellation of Centaurus. The description is based on the spectral class. V957 Centauri is not part of the constellation but is within the borders of the constellation.

The star can not be seen by the naked eye, you need a telescope to see it.

V957 Centauri's Alternative Names

HIP64613 is the reference name for the star in the Hipparcos Star Catalogue.

V957 Centauri has alternative name(s) :- , V957 Cen.

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

Location of V957 Centauri

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 V957 Centauri, the location is 13h 14m 36.38 and -31° 25` 10.7 .

Physical Properties (Colour, Temperature) of V957 Centauri

V957 Centauri has a spectral type of Mp. This means the star is a red variable star. The star has a B-V Colour Index of 1.64 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 3,659 Kelvin.

V957 Centauri Apparent and Absolute Magnitudes

V957 Centauri has an apparent magnitude of 11.33 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 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 V957 Centauri

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as -1.90 which gave the calculated distance to V957 Centauri as -1716.65 light years away from Earth or -526.32 parsecs. It would take a spaceship travelling at the speed of light, -1716.65 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

Variable Type of V957 Centauri

The star is a pulsating Semi-Regular Star w variable type which means that its size changes over time. The Variable Type is usually named after the first star of that type to be spotted. V957 Centauri brightness ranges from a magnitude of 11.781 to a magnitude of 11.115 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 0.4 days (variability).

Source of Information

The source of the information if it has a Hip I.D. is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years. The items in red are values that I've calculated so they could well be wrong. Information regarding Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

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V957 Centauri Facts

Visual Facts


Primary / Proper / Traditional NameV957 Centauri
Alternative NamesHIP 64613, V957 Cen
Spectral TypeMp
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeVariable Star
Colour red
GalaxyMilky Way
ConstellationCentaurus
Visual / Apparent Magnitude11.33
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)13h 14m 36.38
Declination (Dec.)-31° 25` 10.7
Galactic Latitude31.19 degrees
Galactic Longitude308.71 degrees
Distance from Earth-1.90 Parallax (milliarcseconds)
 -1716.65 Light Years
 -526.32 Parsecs
 -108,560,536.36 Astronomical Units
B-V Index1.64

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassPulsating
Variable Star TypeSemi-Regular Star w
Mean Variability Period in Days0.393
Variable Magnitude Range (Brighter - Dimmer)11.115 - 11.781

Estimated Facts


Calculated Effective Temperature3,659 Kelvin

Sources and Links


SIMBAD SourceLink

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