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V524 Carinae, HD94367, HIP53154

V524 Carinae is a blue pulsating supergiant star that can be located in the constellation of Carina. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it.

V524 Carinae's Alternative Names

HIP53154 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD94367.

V524 Carinae has alternative name(s) :- , V524 Car.

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

Location of V524 Carinae

The location of the star in the galaxy 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 V524 Carinae, the location is 10h 52m 30.85 and -57° 14` 25.5 .

Proper Motion of V524 Carinae

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 3.87 ± 0.25 miliarcseconds/year towards the north and -6.75 ± 0.34 miliarcseconds/year east if we saw them in the horizon. The Radial Velocity, that is the speed at which the star is moving away/towards us is -23.60000 km/s with an error of about 2.80 km/s .

Physical Properties (Colour, Temperature) of V524 Carinae

V524 Carinae has a spectral type of B9Ia. This means the star is a blue supergiant star. The star has a B-V Colour Index of 0.13 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 8,061 Kelvin.

V524 Carinae Radius has been calculated as being 78.74 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 54,786,010.77.km. However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 80.20. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

V524 Carinae Apparent and Absolute Magnitudes

V524 Carinae has an apparent magnitude of 5.26 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. If you used the 1997 Parallax value, you would get an absolute magnitude of -6.08 If you used the 2007 Parallax value, you would get an absolute magnitude of -6.12. 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 V524 Carinae

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 0.54 which gave the calculated distance to V524 Carinae as 6040.06 light years away from Earth or 1851.85 parsecs. It would take a spaceship travelling at the speed of light, 6040.06 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

In 2007, Hipparcos data was revised with a new parallax of 0.53 which put V524 Carinae at a distance of 6154.03 light years or 1886.79 parsecs. It should not be taken as though the star is moving closer or further away from us. It is purely that the distance was recalculated.

Variable Type of V524 Carinae

The star is a pulsating Alpha Cygnus 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. V524 Carinae brightness ranges from a magnitude of 5.334 to a magnitude of 5.283 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 7.9 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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V524 Carinae Facts

Visual Facts

 V524 Carinae
Alternative NamesHD 94367, HIP 53154, V524 Car
Spectral TypeB9Ia
Multiple Star systemNo / Unknown
Star Type very luminous Supergiant Star
Colour blue
GalaxyMilky Way
Absolute Magnitude-6.08 / -6.12
Visual / Apparent Magnitude5.26
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)10h 52m 30.85
Declination (Dec.)-57° 14` 25.5
Galactic Latitude1.99 degrees
Galactic Longitude287.36 degrees
1997 Distance from Earth0.54 Parallax (milliarcseconds)
 6040.06 Light Years
 1851.85 Parsecs
2007 Distance from Earth0.53 Parallax (milliarcseconds)
 6154.03 Light Years
 1886.79 Parsecs
Proper Motion Dec.3.87 ± 0.25 milliarcseconds/year
Proper Motion RA.-6.75 ± 0.34 milliarcseconds/year
B-V Index0.13
Radial Velocity-23.60 ± 2.80 km/s

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Variable Star Details

Variable Star ClassPulsating
Variable Star TypeAlpha Cygnus
Mean Variability Period in Days7.944
Variable Magnitude Range (Brighter - Dimmer)5.283 - 5.334

Estimated Facts

Calculated Effective Temperature8,061 Kelvin

Sources and Links

SIMBAD SourceLink

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